{ "schema": "cme.ho.tick.continuous/1", "as_of_utc": "2026-10-26T10:47:07.660799+00:00", "rows": 92625625, "volume": 107999910, "first_utc": "2011-05-26T19:07:46+00:00", "last_utc": "2026-10-26T10:36:05.887000+00:00", "anchor_contract": "HOZ26-NYMEX", "adjustments": { "HOZ26-NYMEX": 0.0, "HOX26-NYMEX": -0.1849999999999996, "HOV26-NYMEX": -0.39749999999999996, "HOU26-NYMEX": -0.5255000000000001, "HOQ26-NYMEX": -0.6541000000000006, "HON26-NYMEX": -0.7014000000000005, "HOM26-NYMEX": -0.8046000000000006, "HOK26-NYMEX": -0.9113000000000007, "HOJ26-NYMEX": -1.1149000000000004, "HOH26-NYMEX": -1.2030000000000003, "HOG26-NYMEX": -1.2180000000000004, "HOF26-NYMEX": -1.2254000000000005, "HOZ25-NYMEX": -1.2768000000000002, "HOX25-NYMEX": -1.2955, "HOV25-NYMEX": -1.3014000000000001, "HOU25-NYMEX": -1.3053000000000003, "HOQ25-NYMEX": -1.3360000000000003, "HON25-NYMEX": -1.3558000000000003, "HOM25-NYMEX": -1.4146000000000005, "HOK25-NYMEX": -1.4565000000000006, "HOJ25-NYMEX": -1.4888000000000003, "HOH25-NYMEX": -1.5488000000000004, "HOG25-NYMEX": -1.6016000000000008, "HOF25-NYMEX": -1.5976000000000008, "HOZ24-NYMEX": -1.5877000000000008, "HOX24-NYMEX": -1.5750000000000006, "HOV24-NYMEX": -1.5619000000000005, "HOU24-NYMEX": -1.5430000000000006, "HOQ24-NYMEX": -1.5272000000000006, "HON24-NYMEX": -1.5114000000000005, "HOM24-NYMEX": -1.4962000000000004, "HOK24-NYMEX": -1.4902000000000006, "HOJ24-NYMEX": -1.5215000000000005, "HOH24-NYMEX": -1.5799000000000003, "HOG24-NYMEX": -1.6257000000000001, "HOF24-NYMEX": -1.65, "HOZ23-NYMEX": -1.7277999999999998, "HOX23-NYMEX": -1.8278999999999996, "HOV23-NYMEX": -1.8914, "HOU23-NYMEX": -1.9186999999999999, "HOQ23-NYMEX": -1.9245999999999999, "HON23-NYMEX": -1.9649999999999999, "HOM23-NYMEX": -1.9813999999999998, "HOK23-NYMEX": -2.0090999999999997, "HOJ23-NYMEX": -2.1381999999999994, "HOH23-NYMEX": -2.1644999999999994, "HOG23-NYMEX": -2.2581999999999995, "HOF23-NYMEX": -2.3289999999999997, "HOZ22-NYMEX": -2.4553, "HOX22-NYMEX": -2.8127999999999997, "HOV22-NYMEX": -2.8696999999999995, "HOU22-NYMEX": -2.9141999999999997, "HOQ22-NYMEX": -2.9821999999999997, "HON22-NYMEX": -3.1147, "HOM22-NYMEX": -3.2198, "HOK22-NYMEX": -3.4689, "HOJ22-NYMEX": -3.6821, "HOH22-NYMEX": -3.7487, "HOG22-NYMEX": -3.8017, "HOF22-NYMEX": -3.8077, "HOZ21-NYMEX": -3.8156000000000003, "HOX21-NYMEX": -3.8233, "HOV21-NYMEX": -3.8259000000000003, "HOU21-NYMEX": -3.8235, "HOQ21-NYMEX": -3.8219000000000003, "HON21-NYMEX": -3.8183000000000002, "HOM21-NYMEX": -3.8201, "HOK21-NYMEX": -3.8186999999999998, "HOJ21-NYMEX": -3.8165999999999998, "HOH21-NYMEX": -3.8282, "HOG21-NYMEX": -3.8263999999999996, "HOF21-NYMEX": -3.8253999999999997, "HOZ20-NYMEX": -3.8190999999999997, "HOX20-NYMEX": -3.8133, "HOV20-NYMEX": -3.802, "HOU20-NYMEX": -3.7801, "HOQ20-NYMEX": -3.7697000000000003, "HON20-NYMEX": -3.7568, "HOM20-NYMEX": -3.7181, "HOK20-NYMEX": -3.6884, "HOJ20-NYMEX": -3.6818, "HOH20-NYMEX": -3.6852, "HOG20-NYMEX": -3.6808, "HOF20-NYMEX": -3.6813000000000002, "HOZ19-NYMEX": -3.6838, "HOX19-NYMEX": -3.7009000000000003, "HOV19-NYMEX": -3.7018000000000004, "HOU19-NYMEX": -3.6956, "HOQ19-NYMEX": -3.6886, "HON19-NYMEX": -3.6817, "HOM19-NYMEX": -3.6783, "HOK19-NYMEX": -3.6757, "HOJ19-NYMEX": -3.6748000000000003, "HOH19-NYMEX": -3.6777, "HOG19-NYMEX": -3.6861, "HOF19-NYMEX": -3.6953000000000005, "HOZ18-NYMEX": -3.702000000000001, "HOX18-NYMEX": -3.7013000000000007, "HOV18-NYMEX": -3.698200000000001, "HOU18-NYMEX": -3.694000000000001, "HOQ18-NYMEX": -3.689600000000001, "HON18-NYMEX": -3.687100000000001, "HOM18-NYMEX": -3.691300000000001, "HOK18-NYMEX": -3.6950000000000007, "HOJ18-NYMEX": -3.6910000000000007, "HOH18-NYMEX": -3.6935000000000007, "HOG18-NYMEX": -3.6977000000000007, "HOF18-NYMEX": -3.6961000000000004, "HOZ17-NYMEX": -3.6942000000000004, "HOX17-NYMEX": -3.6931000000000003, "HOV17-NYMEX": -3.6995000000000005, "HOU17-NYMEX": -3.6937000000000006, "HOQ17-NYMEX": -3.6893000000000007, "HON17-NYMEX": -3.682200000000001, "HOM17-NYMEX": -3.6769000000000007, "HOK17-NYMEX": -3.6667000000000005, "HOJ17-NYMEX": -3.660100000000001, "HOH17-NYMEX": -3.650100000000001, "HOG17-NYMEX": -3.636200000000001, "HOF17-NYMEX": -3.616100000000001, "HOZ16-NYMEX": -3.6050000000000013, "HOX16-NYMEX": -3.5857000000000014, "HOV16-NYMEX": -3.5732000000000017, "HOU16-NYMEX": -3.5536000000000016, "HOQ16-NYMEX": -3.527400000000002, "HON16-NYMEX": -3.517800000000002, "HOM16-NYMEX": -3.512500000000002, "HOK16-NYMEX": -3.504900000000002, "HOJ16-NYMEX": -3.4933000000000023, "HOH16-NYMEX": -3.4799000000000024, "HOG16-NYMEX": -3.4683000000000024, "HOF16-NYMEX": -3.439800000000002, "HOZ15-NYMEX": -3.4182000000000023, "HOX15-NYMEX": -3.3886000000000025, "HOV15-NYMEX": -3.3644000000000025, "HOU15-NYMEX": -3.3533000000000026, "HOQ15-NYMEX": -3.3435000000000024, "HON15-NYMEX": -3.3336000000000023, "HOM15-NYMEX": -3.3317000000000023, "HOK15-NYMEX": -3.3273000000000024, "HOJ15-NYMEX": -3.3468000000000027, "HOH15-NYMEX": -3.4308000000000027, "HOG15-NYMEX": -3.460300000000003, "HOF15-NYMEX": -3.5141000000000027, "HOZ14-NYMEX": -3.533600000000003, "HOX14-NYMEX": -3.548400000000003, "HOV14-NYMEX": -3.542100000000003, "HOU14-NYMEX": -3.536400000000003, "HOQ14-NYMEX": -3.526500000000003, "HON14-NYMEX": -3.5193000000000034, "HOM14-NYMEX": -3.5222000000000033, "HOK14-NYMEX": -3.529300000000003, "HOJ14-NYMEX": -3.5380000000000034, "HOH14-NYMEX": -3.6330000000000036, "HOG14-NYMEX": -3.717500000000004, "HOF14-NYMEX": -3.7246000000000037, "HOZ13-NYMEX": -3.7246000000000037, "HOX13-NYMEX": -3.7259002000000034, "HOV13-NYMEX": -3.7243002000000036, "HOU13-NYMEX": -3.7203002000000036, "HOQ13-NYMEX": -3.7166000000000037, "HON13-NYMEX": -3.7166000000000037, "HOM13-NYMEX": -3.7243000000000035, "HOK13-NYMEX": -3.7376000000000036, "HOJ13-NYMEX": -3.6366000000000036, "HOH13-NYMEX": -3.642800000000004, "HOG13-NYMEX": -3.6566998000000037, "HOF13-NYMEX": -3.6617998000000034, "HOZ12-NYMEX": -3.6544998000000035, "HOX12-NYMEX": -3.6622998000000035, "HOV12-NYMEX": -3.6622998000000035, "HOU12-NYMEX": -3.6541996000000037, "HOQ12-NYMEX": -3.6541996000000037, "HON12-NYMEX": -3.656599600000004, "HOM12-NYMEX": -3.651899400000004, "HOK12-NYMEX": -3.649399400000004, "HOJ12-NYMEX": -3.634699400000004, "HOH12-NYMEX": -3.6469994000000043, "HOG12-NYMEX": -3.650499400000004, "HOF12-NYMEX": -3.641099400000004, "HOZ11-NYMEX": -3.6370992000000038, "HOX11-NYMEX": -3.6403992000000036, "HOV11-NYMEX": -3.629799200000004, "HOU11-NYMEX": -3.6189992000000037, "HOQ11-NYMEX": -3.6053992000000035, "HON11-NYMEX": -3.5922994000000035, "HOM11-NYMEX": -3.5819992000000034 }, "files": [ "cme.ho.tick.continuous.2011.parquet", "cme.ho.tick.continuous.2012.parquet", "cme.ho.tick.continuous.2013.parquet", "cme.ho.tick.continuous.2014.parquet", "cme.ho.tick.continuous.2015.parquet", "cme.ho.tick.continuous.2016.parquet", "cme.ho.tick.continuous.2017.parquet", "cme.ho.tick.continuous.2018.parquet", "cme.ho.tick.continuous.2019.parquet", "cme.ho.tick.continuous.2020.parquet", "cme.ho.tick.continuous.2021.parquet", "cme.ho.tick.continuous.2022.parquet", "cme.ho.tick.continuous.2023.parquet", "cme.ho.tick.continuous.2024.parquet", "cme.ho.tick.continuous.2025.parquet", "cme.ho.tick.continuous.2026.parquet" ], "rolls": [ { "from_contract": "HOM11-NYMEX", "to_contract": "HON11-NYMEX", "decision_session": "2011-05-26", "old_volume": 1699, "new_volume": 3032, "switch_utc": "2011-05-26T22:00:00+00:00", "difference": 0.010300200000000093 }, { "from_contract": "HON11-NYMEX", "to_contract": "HOQ11-NYMEX", "decision_session": "2011-06-21", "old_volume": 38935, "new_volume": 54091, "switch_utc": "2011-06-21T22:00:00+00:00", "difference": 0.013099799999999995 }, { "from_contract": "HOQ11-NYMEX", "to_contract": "HOU11-NYMEX", "decision_session": "2011-07-20", "old_volume": 22488, "new_volume": 30452, "switch_utc": "2011-07-20T22:00:00+00:00", "difference": 0.013600000000000279 }, { "from_contract": "HOU11-NYMEX", "to_contract": "HOV11-NYMEX", "decision_session": "2011-08-22", "old_volume": 23611, "new_volume": 38822, "switch_utc": "2011-08-22T22:00:00+00:00", "difference": 0.010800000000000143 }, { "from_contract": "HOV11-NYMEX", "to_contract": "HOX11-NYMEX", "decision_session": "2011-09-21", "old_volume": 32475, "new_volume": 48699, "switch_utc": "2011-09-21T22:00:00+00:00", "difference": 0.01059999999999972 }, { "from_contract": "HOX11-NYMEX", "to_contract": "HOZ11-NYMEX", "decision_session": "2011-10-19", "old_volume": 32034, "new_volume": 42873, "switch_utc": "2011-10-19T22:00:00+00:00", "difference": -0.0032999999999998586 }, { "from_contract": "HOZ11-NYMEX", "to_contract": "HOF12-NYMEX", "decision_session": "2011-11-18", "old_volume": 35378, "new_volume": 42311, "switch_utc": "2011-11-20T23:00:00+00:00", "difference": 0.00400020000000012 }, { "from_contract": "HOF12-NYMEX", "to_contract": "HOG12-NYMEX", "decision_session": "2011-12-19", "old_volume": 31286, "new_volume": 35697, "switch_utc": "2011-12-19T23:00:00+00:00", "difference": 0.009400000000000297 }, { "from_contract": "HOG12-NYMEX", "to_contract": "HOH12-NYMEX", "decision_session": "2012-01-19", "old_volume": 27998, "new_volume": 33824, "switch_utc": "2012-01-19T23:00:00+00:00", "difference": -0.0034999999999998366 }, { "from_contract": "HOH12-NYMEX", "to_contract": "HOJ12-NYMEX", "decision_session": "2012-02-17", "old_volume": 28558, "new_volume": 35174, "switch_utc": "2012-02-19T23:00:00+00:00", "difference": -0.0123000000000002 }, { "from_contract": "HOJ12-NYMEX", "to_contract": "HOK12-NYMEX", "decision_session": "2012-03-19", "old_volume": 38036, "new_volume": 38728, "switch_utc": "2012-03-19T22:00:00+00:00", "difference": 0.014699999999999935 }, { "from_contract": "HOK12-NYMEX", "to_contract": "HOM12-NYMEX", "decision_session": "2012-04-19", "old_volume": 30791, "new_volume": 45754, "switch_utc": "2012-04-19T22:00:00+00:00", "difference": 0.0024999999999999467 }, { "from_contract": "HOM12-NYMEX", "to_contract": "HON12-NYMEX", "decision_session": "2012-05-21", "old_volume": 28370, "new_volume": 31850, "switch_utc": "2012-05-21T22:00:00+00:00", "difference": 0.004700199999999821 }, { "from_contract": "HON12-NYMEX", "to_contract": "HOQ12-NYMEX", "decision_session": "2012-06-21", "old_volume": 18398, "new_volume": 24974, "switch_utc": "2012-06-21T22:00:00+00:00", "difference": -0.0024000000000001798 }, { "from_contract": "HOQ12-NYMEX", "to_contract": "HOU12-NYMEX", "decision_session": "2012-07-20", "old_volume": 15734, "new_volume": 17466, "switch_utc": "2012-07-22T22:00:00+00:00", "difference": 0.0 }, { "from_contract": "HOU12-NYMEX", "to_contract": "HOV12-NYMEX", "decision_session": "2012-08-22", "old_volume": 14179, "new_volume": 17858, "switch_utc": "2012-08-22T22:00:00+00:00", "difference": 0.00810019999999989 }, { "from_contract": "HOV12-NYMEX", "to_contract": "HOX12-NYMEX", "decision_session": "2012-09-09", "old_volume": 1, "new_volume": 2, "switch_utc": "2012-09-09T22:00:00+00:00", "difference": 0.0 }, { "from_contract": "HOX12-NYMEX", "to_contract": "HOZ12-NYMEX", "decision_session": "2012-10-22", "old_volume": 16481, "new_volume": 31057, "switch_utc": "2012-10-22T22:00:00+00:00", "difference": -0.007800000000000029 }, { "from_contract": "HOZ12-NYMEX", "to_contract": "HOF13-NYMEX", "decision_session": "2012-11-20", "old_volume": 14259, "new_volume": 25663, "switch_utc": "2012-11-20T23:00:00+00:00", "difference": 0.007299999999999862 }, { "from_contract": "HOF13-NYMEX", "to_contract": "HOG13-NYMEX", "decision_session": "2012-12-19", "old_volume": 14152, "new_volume": 15796, "switch_utc": "2012-12-19T23:00:00+00:00", "difference": -0.00509999999999966 }, { "from_contract": "HOG13-NYMEX", "to_contract": "HOH13-NYMEX", "decision_session": "2013-01-21", "old_volume": 1625, "new_volume": 2403, "switch_utc": "2013-01-21T23:00:00+00:00", "difference": -0.013899799999999907 }, { "from_contract": "HOH13-NYMEX", "to_contract": "HOJ13-NYMEX", "decision_session": "2013-02-18", "old_volume": 1776, "new_volume": 3166, "switch_utc": "2013-02-18T23:00:00+00:00", "difference": -0.006200000000000205 }, { "from_contract": "HOJ13-NYMEX", "to_contract": "HOK13-NYMEX", "decision_session": "2013-03-19", "old_volume": 13505, "new_volume": 23118, "switch_utc": "2013-03-19T22:00:00+00:00", "difference": 0.10099999999999998 }, { "from_contract": "HOK13-NYMEX", "to_contract": "HOM13-NYMEX", "decision_session": "2013-04-19", "old_volume": 11020, "new_volume": 17971, "switch_utc": "2013-04-21T22:00:00+00:00", "difference": -0.01330000000000009 }, { "from_contract": "HOM13-NYMEX", "to_contract": "HON13-NYMEX", "decision_session": "2013-05-21", "old_volume": 11896, "new_volume": 16042, "switch_utc": "2013-05-21T22:00:00+00:00", "difference": -0.007699999999999818 }, { "from_contract": "HON13-NYMEX", "to_contract": "HOQ13-NYMEX", "decision_session": "2013-06-20", "old_volume": 16048, "new_volume": 32005, "switch_utc": "2013-06-20T22:00:00+00:00", "difference": 0.0 }, { "from_contract": "HOQ13-NYMEX", "to_contract": "HOU13-NYMEX", "decision_session": "2013-07-23", "old_volume": 6305, "new_volume": 19025, "switch_utc": "2013-07-23T22:00:00+00:00", "difference": 0.0037001999999999313 }, { "from_contract": "HOU13-NYMEX", "to_contract": "HOV13-NYMEX", "decision_session": "2013-08-21", "old_volume": 9387, "new_volume": 14909, "switch_utc": "2013-08-21T22:00:00+00:00", "difference": 0.0040000000000000036 }, { "from_contract": "HOV13-NYMEX", "to_contract": "HOX13-NYMEX", "decision_session": "2013-09-19", "old_volume": 15707, "new_volume": 17503, "switch_utc": "2013-09-19T22:00:00+00:00", "difference": 0.0015999999999998238 }, { "from_contract": "HOX13-NYMEX", "to_contract": "HOZ13-NYMEX", "decision_session": "2013-10-23", "old_volume": 11076, "new_volume": 43398, "switch_utc": "2013-10-23T22:00:00+00:00", "difference": -0.0013001999999997516 }, { "from_contract": "HOZ13-NYMEX", "to_contract": "HOF14-NYMEX", "decision_session": "2013-11-19", "old_volume": 14201, "new_volume": 15656, "switch_utc": "2013-11-19T23:00:00+00:00", "difference": 0.0 }, { "from_contract": "HOF14-NYMEX", "to_contract": "HOG14-NYMEX", "decision_session": "2013-12-19", "old_volume": 11273, "new_volume": 15347, "switch_utc": "2013-12-19T23:00:00+00:00", "difference": -0.007099999999999884 }, { "from_contract": "HOG14-NYMEX", "to_contract": "HOH14-NYMEX", "decision_session": "2014-01-20", "old_volume": 1996, "new_volume": 3659, "switch_utc": "2014-01-20T23:00:00+00:00", "difference": -0.08450000000000024 }, { "from_contract": "HOH14-NYMEX", "to_contract": "HOJ14-NYMEX", "decision_session": "2014-02-20", "old_volume": 9275, "new_volume": 23171, "switch_utc": "2014-02-20T23:00:00+00:00", "difference": -0.0950000000000002 }, { "from_contract": "HOJ14-NYMEX", "to_contract": "HOK14-NYMEX", "decision_session": "2014-03-19", "old_volume": 10443, "new_volume": 13934, "switch_utc": "2014-03-19T22:00:00+00:00", "difference": -0.008700000000000152 }, { "from_contract": "HOK14-NYMEX", "to_contract": "HOM14-NYMEX", "decision_session": "2014-04-21", "old_volume": 9406, "new_volume": 11325, "switch_utc": "2014-04-21T22:00:00+00:00", "difference": -0.007099999999999884 }, { "from_contract": "HOM14-NYMEX", "to_contract": "HON14-NYMEX", "decision_session": "2014-05-20", "old_volume": 13980, "new_volume": 15182, "switch_utc": "2014-05-20T22:00:00+00:00", "difference": -0.0028999999999999027 }, { "from_contract": "HON14-NYMEX", "to_contract": "HOQ14-NYMEX", "decision_session": "2014-06-19", "old_volume": 17557, "new_volume": 24843, "switch_utc": "2014-06-19T22:00:00+00:00", "difference": 0.007199999999999651 }, { "from_contract": "HOQ14-NYMEX", "to_contract": "HOU14-NYMEX", "decision_session": "2014-07-22", "old_volume": 11099, "new_volume": 19444, "switch_utc": "2014-07-22T22:00:00+00:00", "difference": 0.00990000000000002 }, { "from_contract": "HOU14-NYMEX", "to_contract": "HOV14-NYMEX", "decision_session": "2014-08-20", "old_volume": 10109, "new_volume": 17920, "switch_utc": "2014-08-20T22:00:00+00:00", "difference": 0.005700000000000038 }, { "from_contract": "HOV14-NYMEX", "to_contract": "HOX14-NYMEX", "decision_session": "2014-09-22", "old_volume": 10606, "new_volume": 23119, "switch_utc": "2014-09-22T22:00:00+00:00", "difference": 0.006299999999999972 }, { "from_contract": "HOX14-NYMEX", "to_contract": "HOZ14-NYMEX", "decision_session": "2014-10-21", "old_volume": 14266, "new_volume": 21151, "switch_utc": "2014-10-21T22:00:00+00:00", "difference": -0.014800000000000146 }, { "from_contract": "HOZ14-NYMEX", "to_contract": "HOF15-NYMEX", "decision_session": "2014-11-18", "old_volume": 16268, "new_volume": 19562, "switch_utc": "2014-11-18T23:00:00+00:00", "difference": -0.019500000000000295 }, { "from_contract": "HOF15-NYMEX", "to_contract": "HOG15-NYMEX", "decision_session": "2014-12-18", "old_volume": 17723, "new_volume": 21568, "switch_utc": "2014-12-18T23:00:00+00:00", "difference": -0.05379999999999985 }, { "from_contract": "HOG15-NYMEX", "to_contract": "HOH15-NYMEX", "decision_session": "2015-01-16", "old_volume": 18121, "new_volume": 18619, "switch_utc": "2015-01-18T23:00:00+00:00", "difference": -0.02949999999999986 }, { "from_contract": "HOH15-NYMEX", "to_contract": "HOJ15-NYMEX", "decision_session": "2015-02-18", "old_volume": 17587, "new_volume": 22392, "switch_utc": "2015-02-18T23:00:00+00:00", "difference": -0.08400000000000007 }, { "from_contract": "HOJ15-NYMEX", "to_contract": "HOK15-NYMEX", "decision_session": "2015-03-19", "old_volume": 13370, "new_volume": 19586, "switch_utc": "2015-03-19T22:00:00+00:00", "difference": -0.019500000000000073 }, { "from_contract": "HOK15-NYMEX", "to_contract": "HOM15-NYMEX", "decision_session": "2015-04-20", "old_volume": 14825, "new_volume": 18309, "switch_utc": "2015-04-20T22:00:00+00:00", "difference": 0.0043999999999999595 }, { "from_contract": "HOM15-NYMEX", "to_contract": "HON15-NYMEX", "decision_session": "2015-05-19", "old_volume": 16726, "new_volume": 24957, "switch_utc": "2015-05-19T22:00:00+00:00", "difference": 0.0019000000000000128 }, { "from_contract": "HON15-NYMEX", "to_contract": "HOQ15-NYMEX", "decision_session": "2015-06-19", "old_volume": 12490, "new_volume": 25196, "switch_utc": "2015-06-21T22:00:00+00:00", "difference": 0.00990000000000002 }, { "from_contract": "HOQ15-NYMEX", "to_contract": "HOU15-NYMEX", "decision_session": "2015-07-21", "old_volume": 13302, "new_volume": 18033, "switch_utc": "2015-07-21T22:00:00+00:00", "difference": 0.009800000000000031 }, { "from_contract": "HOU15-NYMEX", "to_contract": "HOV15-NYMEX", "decision_session": "2015-08-20", "old_volume": 12059, "new_volume": 26938, "switch_utc": "2015-08-20T22:00:00+00:00", "difference": 0.01110000000000011 }, { "from_contract": "HOV15-NYMEX", "to_contract": "HOX15-NYMEX", "decision_session": "2015-09-21", "old_volume": 9772, "new_volume": 17047, "switch_utc": "2015-09-21T22:00:00+00:00", "difference": 0.0242 }, { "from_contract": "HOX15-NYMEX", "to_contract": "HOZ15-NYMEX", "decision_session": "2015-10-20", "old_volume": 13289, "new_volume": 19193, "switch_utc": "2015-10-20T22:00:00+00:00", "difference": 0.02959999999999985 }, { "from_contract": "HOZ15-NYMEX", "to_contract": "HOF16-NYMEX", "decision_session": "2015-11-18", "old_volume": 15683, "new_volume": 16628, "switch_utc": "2015-11-18T23:00:00+00:00", "difference": 0.021600000000000064 }, { "from_contract": "HOF16-NYMEX", "to_contract": "HOG16-NYMEX", "decision_session": "2015-12-21", "old_volume": 11320, "new_volume": 19379, "switch_utc": "2015-12-21T23:00:00+00:00", "difference": 0.028500000000000192 }, { "from_contract": "HOG16-NYMEX", "to_contract": "HOH16-NYMEX", "decision_session": "2016-01-20", "old_volume": 19462, "new_volume": 31550, "switch_utc": "2016-01-20T23:00:00+00:00", "difference": 0.011599999999999944 }, { "from_contract": "HOH16-NYMEX", "to_contract": "HOJ16-NYMEX", "decision_session": "2016-02-18", "old_volume": 14292, "new_volume": 20362, "switch_utc": "2016-02-18T23:00:00+00:00", "difference": 0.013400000000000079 }, { "from_contract": "HOJ16-NYMEX", "to_contract": "HOK16-NYMEX", "decision_session": "2016-03-21", "old_volume": 10838, "new_volume": 14478, "switch_utc": "2016-03-21T22:00:00+00:00", "difference": 0.011599999999999833 }, { "from_contract": "HOK16-NYMEX", "to_contract": "HOM16-NYMEX", "decision_session": "2016-04-19", "old_volume": 16134, "new_volume": 19036, "switch_utc": "2016-04-19T22:00:00+00:00", "difference": 0.007600000000000051 }, { "from_contract": "HOM16-NYMEX", "to_contract": "HON16-NYMEX", "decision_session": "2016-05-19", "old_volume": 15563, "new_volume": 33465, "switch_utc": "2016-05-19T22:00:00+00:00", "difference": 0.00529999999999986 }, { "from_contract": "HON16-NYMEX", "to_contract": "HOQ16-NYMEX", "decision_session": "2016-06-21", "old_volume": 11918, "new_volume": 24893, "switch_utc": "2016-06-21T22:00:00+00:00", "difference": 0.009600000000000053 }, { "from_contract": "HOQ16-NYMEX", "to_contract": "HOU16-NYMEX", "decision_session": "2016-07-19", "old_volume": 15069, "new_volume": 17726, "switch_utc": "2016-07-19T22:00:00+00:00", "difference": 0.0262 }, { "from_contract": "HOU16-NYMEX", "to_contract": "HOV16-NYMEX", "decision_session": "2016-08-19", "old_volume": 12815, "new_volume": 16679, "switch_utc": "2016-08-21T22:00:00+00:00", "difference": 0.019600000000000062 }, { "from_contract": "HOV16-NYMEX", "to_contract": "HOX16-NYMEX", "decision_session": "2016-09-20", "old_volume": 16447, "new_volume": 25765, "switch_utc": "2016-09-20T22:00:00+00:00", "difference": 0.012499999999999956 }, { "from_contract": "HOX16-NYMEX", "to_contract": "HOZ16-NYMEX", "decision_session": "2016-10-19", "old_volume": 14140, "new_volume": 22530, "switch_utc": "2016-10-19T22:00:00+00:00", "difference": 0.019299999999999873 }, { "from_contract": "HOZ16-NYMEX", "to_contract": "HOF17-NYMEX", "decision_session": "2016-11-18", "old_volume": 11968, "new_volume": 18495, "switch_utc": "2016-11-20T23:00:00+00:00", "difference": 0.011099999999999888 }, { "from_contract": "HOF17-NYMEX", "to_contract": "HOG17-NYMEX", "decision_session": "2016-12-20", "old_volume": 9497, "new_volume": 15507, "switch_utc": "2016-12-20T23:00:00+00:00", "difference": 0.020100000000000007 }, { "from_contract": "HOG17-NYMEX", "to_contract": "HOH17-NYMEX", "decision_session": "2017-01-19", "old_volume": 15298, "new_volume": 15614, "switch_utc": "2017-01-19T23:00:00+00:00", "difference": 0.013900000000000023 }, { "from_contract": "HOH17-NYMEX", "to_contract": "HOJ17-NYMEX", "decision_session": "2017-02-17", "old_volume": 10732, "new_volume": 21854, "switch_utc": "2017-02-19T23:00:00+00:00", "difference": 0.010000000000000009 }, { "from_contract": "HOJ17-NYMEX", "to_contract": "HOK17-NYMEX", "decision_session": "2017-03-21", "old_volume": 14011, "new_volume": 19570, "switch_utc": "2017-03-21T22:00:00+00:00", "difference": 0.006599999999999939 }, { "from_contract": "HOK17-NYMEX", "to_contract": "HOM17-NYMEX", "decision_session": "2017-04-18", "old_volume": 16165, "new_volume": 16985, "switch_utc": "2017-04-18T22:00:00+00:00", "difference": 0.010199999999999987 }, { "from_contract": "HOM17-NYMEX", "to_contract": "HON17-NYMEX", "decision_session": "2017-05-19", "old_volume": 13544, "new_volume": 26081, "switch_utc": "2017-05-21T22:00:00+00:00", "difference": 0.00529999999999986 }, { "from_contract": "HON17-NYMEX", "to_contract": "HOQ17-NYMEX", "decision_session": "2017-06-20", "old_volume": 13008, "new_volume": 23505, "switch_utc": "2017-06-20T22:00:00+00:00", "difference": 0.007100000000000106 }, { "from_contract": "HOQ17-NYMEX", "to_contract": "HOU17-NYMEX", "decision_session": "2017-07-19", "old_volume": 23798, "new_volume": 25924, "switch_utc": "2017-07-19T22:00:00+00:00", "difference": 0.0043999999999999595 }, { "from_contract": "HOU17-NYMEX", "to_contract": "HOV17-NYMEX", "decision_session": "2017-08-21", "old_volume": 16978, "new_volume": 23464, "switch_utc": "2017-08-21T22:00:00+00:00", "difference": 0.005799999999999805 }, { "from_contract": "HOV17-NYMEX", "to_contract": "HOX17-NYMEX", "decision_session": "2017-09-19", "old_volume": 12069, "new_volume": 14510, "switch_utc": "2017-09-19T22:00:00+00:00", "difference": -0.006399999999999961 }, { "from_contract": "HOX17-NYMEX", "to_contract": "HOZ17-NYMEX", "decision_session": "2017-10-19", "old_volume": 12176, "new_volume": 22995, "switch_utc": "2017-10-19T22:00:00+00:00", "difference": 0.001100000000000101 }, { "from_contract": "HOZ17-NYMEX", "to_contract": "HOF18-NYMEX", "decision_session": "2017-11-20", "old_volume": 13947, "new_volume": 26288, "switch_utc": "2017-11-20T23:00:00+00:00", "difference": 0.0019000000000000128 }, { "from_contract": "HOF18-NYMEX", "to_contract": "HOG18-NYMEX", "decision_session": "2017-12-19", "old_volume": 10811, "new_volume": 20245, "switch_utc": "2017-12-19T23:00:00+00:00", "difference": 0.0016000000000000458 }, { "from_contract": "HOG18-NYMEX", "to_contract": "HOH18-NYMEX", "decision_session": "2018-01-19", "old_volume": 16475, "new_volume": 25596, "switch_utc": "2018-01-21T23:00:00+00:00", "difference": -0.0041999999999999815 }, { "from_contract": "HOH18-NYMEX", "to_contract": "HOJ18-NYMEX", "decision_session": "2018-02-16", "old_volume": 12213, "new_volume": 23844, "switch_utc": "2018-02-18T23:00:00+00:00", "difference": -0.0024999999999999467 }, { "from_contract": "HOJ18-NYMEX", "to_contract": "HOK18-NYMEX", "decision_session": "2018-03-19", "old_volume": 15491, "new_volume": 18871, "switch_utc": "2018-03-19T22:00:00+00:00", "difference": 0.0040000000000000036 }, { "from_contract": "HOK18-NYMEX", "to_contract": "HOM18-NYMEX", "decision_session": "2018-04-18", "old_volume": 20086, "new_volume": 26547, "switch_utc": "2018-04-18T22:00:00+00:00", "difference": -0.0036999999999998145 }, { "from_contract": "HOM18-NYMEX", "to_contract": "HON18-NYMEX", "decision_session": "2018-05-21", "old_volume": 11215, "new_volume": 22123, "switch_utc": "2018-05-21T22:00:00+00:00", "difference": -0.0041999999999999815 }, { "from_contract": "HON18-NYMEX", "to_contract": "HOQ18-NYMEX", "decision_session": "2018-06-19", "old_volume": 17004, "new_volume": 20690, "switch_utc": "2018-06-19T22:00:00+00:00", "difference": 0.0024999999999999467 }, { "from_contract": "HOQ18-NYMEX", "to_contract": "HOU18-NYMEX", "decision_session": "2018-07-19", "old_volume": 14051, "new_volume": 18501, "switch_utc": "2018-07-19T22:00:00+00:00", "difference": 0.0043999999999999595 }, { "from_contract": "HOU18-NYMEX", "to_contract": "HOV18-NYMEX", "decision_session": "2018-08-21", "old_volume": 14290, "new_volume": 23600, "switch_utc": "2018-08-21T22:00:00+00:00", "difference": 0.0041999999999999815 }, { "from_contract": "HOV18-NYMEX", "to_contract": "HOX18-NYMEX", "decision_session": "2018-09-18", "old_volume": 16928, "new_volume": 25829, "switch_utc": "2018-09-18T22:00:00+00:00", "difference": 0.0030999999999998806 }, { "from_contract": "HOX18-NYMEX", "to_contract": "HOZ18-NYMEX", "decision_session": "2018-10-19", "old_volume": 11353, "new_volume": 22633, "switch_utc": "2018-10-21T22:00:00+00:00", "difference": 0.000700000000000145 }, { "from_contract": "HOZ18-NYMEX", "to_contract": "HOF19-NYMEX", "decision_session": "2018-11-20", "old_volume": 16552, "new_volume": 30090, "switch_utc": "2018-11-20T23:00:00+00:00", "difference": -0.00670000000000015 }, { "from_contract": "HOF19-NYMEX", "to_contract": "HOG19-NYMEX", "decision_session": "2018-12-19", "old_volume": 13328, "new_volume": 29686, "switch_utc": "2018-12-19T23:00:00+00:00", "difference": -0.009200000000000097 }, { "from_contract": "HOG19-NYMEX", "to_contract": "HOH19-NYMEX", "decision_session": "2019-01-18", "old_volume": 16345, "new_volume": 16386, "switch_utc": "2019-01-20T23:00:00+00:00", "difference": -0.008399999999999963 }, { "from_contract": "HOH19-NYMEX", "to_contract": "HOJ19-NYMEX", "decision_session": "2019-02-18", "old_volume": 2626, "new_volume": 5578, "switch_utc": "2019-02-18T23:00:00+00:00", "difference": -0.0028999999999999027 }, { "from_contract": "HOJ19-NYMEX", "to_contract": "HOK19-NYMEX", "decision_session": "2019-03-19", "old_volume": 13949, "new_volume": 23199, "switch_utc": "2019-03-19T22:00:00+00:00", "difference": 0.0008999999999999009 }, { "from_contract": "HOK19-NYMEX", "to_contract": "HOM19-NYMEX", "decision_session": "2019-04-18", "old_volume": 10058, "new_volume": 20231, "switch_utc": "2019-04-18T22:00:00+00:00", "difference": 0.0026000000000001577 }, { "from_contract": "HOM19-NYMEX", "to_contract": "HON19-NYMEX", "decision_session": "2019-05-21", "old_volume": 10699, "new_volume": 21945, "switch_utc": "2019-05-21T22:00:00+00:00", "difference": 0.0034000000000000696 }, { "from_contract": "HON19-NYMEX", "to_contract": "HOQ19-NYMEX", "decision_session": "2019-06-18", "old_volume": 15718, "new_volume": 17489, "switch_utc": "2019-06-18T22:00:00+00:00", "difference": 0.006900000000000128 }, { "from_contract": "HOQ19-NYMEX", "to_contract": "HOU19-NYMEX", "decision_session": "2019-07-19", "old_volume": 14276, "new_volume": 24733, "switch_utc": "2019-07-21T22:00:00+00:00", "difference": 0.007000000000000117 }, { "from_contract": "HOU19-NYMEX", "to_contract": "HOV19-NYMEX", "decision_session": "2019-08-20", "old_volume": 14243, "new_volume": 20115, "switch_utc": "2019-08-20T22:00:00+00:00", "difference": 0.006200000000000205 }, { "from_contract": "HOV19-NYMEX", "to_contract": "HOX19-NYMEX", "decision_session": "2019-09-18", "old_volume": 13301, "new_volume": 17476, "switch_utc": "2019-09-18T22:00:00+00:00", "difference": -0.0008999999999999009 }, { "from_contract": "HOX19-NYMEX", "to_contract": "HOZ19-NYMEX", "decision_session": "2019-10-21", "old_volume": 9960, "new_volume": 21238, "switch_utc": "2019-10-21T22:00:00+00:00", "difference": -0.017100000000000115 }, { "from_contract": "HOZ19-NYMEX", "to_contract": "HOF20-NYMEX", "decision_session": "2019-11-19", "old_volume": 16647, "new_volume": 28973, "switch_utc": "2019-11-19T23:00:00+00:00", "difference": -0.0024999999999999467 }, { "from_contract": "HOF20-NYMEX", "to_contract": "HOG20-NYMEX", "decision_session": "2019-12-19", "old_volume": 9148, "new_volume": 25130, "switch_utc": "2019-12-19T23:00:00+00:00", "difference": -0.000500000000000167 }, { "from_contract": "HOG20-NYMEX", "to_contract": "HOH20-NYMEX", "decision_session": "2020-01-17", "old_volume": 26088, "new_volume": 26466, "switch_utc": "2020-01-19T23:00:00+00:00", "difference": 0.0043999999999999595 }, { "from_contract": "HOH20-NYMEX", "to_contract": "HOJ20-NYMEX", "decision_session": "2020-02-18", "old_volume": 16332, "new_volume": 24154, "switch_utc": "2020-02-18T23:00:00+00:00", "difference": -0.0034000000000000696 }, { "from_contract": "HOJ20-NYMEX", "to_contract": "HOK20-NYMEX", "decision_session": "2020-03-19", "old_volume": 15544, "new_volume": 31514, "switch_utc": "2020-03-19T22:00:00+00:00", "difference": 0.006599999999999939 }, { "from_contract": "HOK20-NYMEX", "to_contract": "HOM20-NYMEX", "decision_session": "2020-04-20", "old_volume": 11486, "new_volume": 23598, "switch_utc": "2020-04-20T22:00:00+00:00", "difference": 0.02970000000000006 }, { "from_contract": "HOM20-NYMEX", "to_contract": "HON20-NYMEX", "decision_session": "2020-05-19", "old_volume": 9883, "new_volume": 23461, "switch_utc": "2020-05-19T22:00:00+00:00", "difference": 0.03870000000000007 }, { "from_contract": "HON20-NYMEX", "to_contract": "HOQ20-NYMEX", "decision_session": "2020-06-18", "old_volume": 10092, "new_volume": 16430, "switch_utc": "2020-06-18T22:00:00+00:00", "difference": 0.012899999999999912 }, { "from_contract": "HOQ20-NYMEX", "to_contract": "HOU20-NYMEX", "decision_session": "2020-07-21", "old_volume": 11511, "new_volume": 19457, "switch_utc": "2020-07-21T22:00:00+00:00", "difference": 0.010399999999999965 }, { "from_contract": "HOU20-NYMEX", "to_contract": "HOV20-NYMEX", "decision_session": "2020-08-19", "old_volume": 11876, "new_volume": 22426, "switch_utc": "2020-08-19T22:00:00+00:00", "difference": 0.02190000000000003 }, { "from_contract": "HOV20-NYMEX", "to_contract": "HOX20-NYMEX", "decision_session": "2020-09-18", "old_volume": 11085, "new_volume": 23991, "switch_utc": "2020-09-20T22:00:00+00:00", "difference": 0.011299999999999866 }, { "from_contract": "HOX20-NYMEX", "to_contract": "HOZ20-NYMEX", "decision_session": "2020-10-20", "old_volume": 11211, "new_volume": 31926, "switch_utc": "2020-10-20T22:00:00+00:00", "difference": 0.005800000000000027 }, { "from_contract": "HOZ20-NYMEX", "to_contract": "HOF21-NYMEX", "decision_session": "2020-11-18", "old_volume": 9268, "new_volume": 21775, "switch_utc": "2020-11-18T23:00:00+00:00", "difference": 0.006299999999999972 }, { "from_contract": "HOF21-NYMEX", "to_contract": "HOG21-NYMEX", "decision_session": "2020-12-18", "old_volume": 16528, "new_volume": 18031, "switch_utc": "2020-12-20T23:00:00+00:00", "difference": 0.0009999999999998899 }, { "from_contract": "HOG21-NYMEX", "to_contract": "HOH21-NYMEX", "decision_session": "2021-01-18", "old_volume": 2679, "new_volume": 4362, "switch_utc": "2021-01-18T23:00:00+00:00", "difference": 0.0018000000000000238 }, { "from_contract": "HOH21-NYMEX", "to_contract": "HOJ21-NYMEX", "decision_session": "2021-02-16", "old_volume": 21739, "new_volume": 24848, "switch_utc": "2021-02-16T23:00:00+00:00", "difference": -0.011600000000000055 }, { "from_contract": "HOJ21-NYMEX", "to_contract": "HOK21-NYMEX", "decision_session": "2021-03-18", "old_volume": 23675, "new_volume": 24577, "switch_utc": "2021-03-18T22:00:00+00:00", "difference": 0.0020999999999999908 }, { "from_contract": "HOK21-NYMEX", "to_contract": "HOM21-NYMEX", "decision_session": "2021-04-19", "old_volume": 12108, "new_volume": 14156, "switch_utc": "2021-04-19T22:00:00+00:00", "difference": 0.0014000000000000679 }, { "from_contract": "HOM21-NYMEX", "to_contract": "HON21-NYMEX", "decision_session": "2021-05-19", "old_volume": 10443, "new_volume": 31039, "switch_utc": "2021-05-19T22:00:00+00:00", "difference": -0.0017999999999998018 }, { "from_contract": "HON21-NYMEX", "to_contract": "HOQ21-NYMEX", "decision_session": "2021-06-18", "old_volume": 13131, "new_volume": 21312, "switch_utc": "2021-06-20T22:00:00+00:00", "difference": 0.0036000000000000476 }, { "from_contract": "HOQ21-NYMEX", "to_contract": "HOU21-NYMEX", "decision_session": "2021-07-20", "old_volume": 15536, "new_volume": 22485, "switch_utc": "2021-07-20T22:00:00+00:00", "difference": 0.0016000000000000458 }, { "from_contract": "HOU21-NYMEX", "to_contract": "HOV21-NYMEX", "decision_session": "2021-08-19", "old_volume": 16181, "new_volume": 27966, "switch_utc": "2021-08-19T22:00:00+00:00", "difference": 0.0024000000000001798 }, { "from_contract": "HOV21-NYMEX", "to_contract": "HOX21-NYMEX", "decision_session": "2021-09-20", "old_volume": 14608, "new_volume": 24160, "switch_utc": "2021-09-20T22:00:00+00:00", "difference": -0.0026000000000001577 }, { "from_contract": "HOX21-NYMEX", "to_contract": "HOZ21-NYMEX", "decision_session": "2021-10-18", "old_volume": 16186, "new_volume": 18186, "switch_utc": "2021-10-18T22:00:00+00:00", "difference": -0.007699999999999818 }, { "from_contract": "HOZ21-NYMEX", "to_contract": "HOF22-NYMEX", "decision_session": "2021-11-17", "old_volume": 19154, "new_volume": 22181, "switch_utc": "2021-11-17T23:00:00+00:00", "difference": -0.00790000000000024 }, { "from_contract": "HOF22-NYMEX", "to_contract": "HOG22-NYMEX", "decision_session": "2021-12-21", "old_volume": 6955, "new_volume": 19633, "switch_utc": "2021-12-21T23:00:00+00:00", "difference": -0.006000000000000227 }, { "from_contract": "HOG22-NYMEX", "to_contract": "HOH22-NYMEX", "decision_session": "2022-01-19", "old_volume": 15421, "new_volume": 25515, "switch_utc": "2022-01-19T23:00:00+00:00", "difference": -0.052999999999999936 }, { "from_contract": "HOH22-NYMEX", "to_contract": "HOJ22-NYMEX", "decision_session": "2022-02-16", "old_volume": 11933, "new_volume": 22988, "switch_utc": "2022-02-16T23:00:00+00:00", "difference": -0.06659999999999977 }, { "from_contract": "HOJ22-NYMEX", "to_contract": "HOK22-NYMEX", "decision_session": "2022-03-18", "old_volume": 8492, "new_volume": 9396, "switch_utc": "2022-03-20T22:00:00+00:00", "difference": -0.21320000000000006 }, { "from_contract": "HOK22-NYMEX", "to_contract": "HOM22-NYMEX", "decision_session": "2022-04-18", "old_volume": 9051, "new_volume": 11197, "switch_utc": "2022-04-18T22:00:00+00:00", "difference": -0.24909999999999988 }, { "from_contract": "HOM22-NYMEX", "to_contract": "HON22-NYMEX", "decision_session": "2022-05-17", "old_volume": 10321, "new_volume": 13319, "switch_utc": "2022-05-17T22:00:00+00:00", "difference": -0.1051000000000002 }, { "from_contract": "HON22-NYMEX", "to_contract": "HOQ22-NYMEX", "decision_session": "2022-06-17", "old_volume": 9960, "new_volume": 16987, "switch_utc": "2022-06-19T22:00:00+00:00", "difference": -0.13250000000000028 }, { "from_contract": "HOQ22-NYMEX", "to_contract": "HOU22-NYMEX", "decision_session": "2022-07-18", "old_volume": 9404, "new_volume": 11237, "switch_utc": "2022-07-18T22:00:00+00:00", "difference": -0.06800000000000006 }, { "from_contract": "HOU22-NYMEX", "to_contract": "HOV22-NYMEX", "decision_session": "2022-08-18", "old_volume": 11357, "new_volume": 13242, "switch_utc": "2022-08-18T22:00:00+00:00", "difference": -0.044500000000000206 }, { "from_contract": "HOV22-NYMEX", "to_contract": "HOX22-NYMEX", "decision_session": "2022-09-19", "old_volume": 13634, "new_volume": 17477, "switch_utc": "2022-09-19T22:00:00+00:00", "difference": -0.05689999999999973 }, { "from_contract": "HOX22-NYMEX", "to_contract": "HOZ22-NYMEX", "decision_session": "2022-10-18", "old_volume": 10778, "new_volume": 16113, "switch_utc": "2022-10-18T22:00:00+00:00", "difference": -0.35749999999999993 }, { "from_contract": "HOZ22-NYMEX", "to_contract": "HOF23-NYMEX", "decision_session": "2022-11-17", "old_volume": 10503, "new_volume": 12307, "switch_utc": "2022-11-17T23:00:00+00:00", "difference": -0.12630000000000008 }, { "from_contract": "HOF23-NYMEX", "to_contract": "HOG23-NYMEX", "decision_session": "2022-12-15", "old_volume": 13081, "new_volume": 14461, "switch_utc": "2022-12-15T23:00:00+00:00", "difference": -0.0708000000000002 }, { "from_contract": "HOG23-NYMEX", "to_contract": "HOH23-NYMEX", "decision_session": "2023-01-16", "old_volume": 2512, "new_volume": 2650, "switch_utc": "2023-01-16T23:00:00+00:00", "difference": -0.09370000000000012 }, { "from_contract": "HOH23-NYMEX", "to_contract": "HOJ23-NYMEX", "decision_session": "2023-02-15", "old_volume": 10298, "new_volume": 15373, "switch_utc": "2023-02-15T23:00:00+00:00", "difference": -0.02629999999999999 }, { "from_contract": "HOJ23-NYMEX", "to_contract": "HOK23-NYMEX", "decision_session": "2023-03-20", "old_volume": 12755, "new_volume": 16071, "switch_utc": "2023-03-20T22:00:00+00:00", "difference": -0.12909999999999977 }, { "from_contract": "HOK23-NYMEX", "to_contract": "HOM23-NYMEX", "decision_session": "2023-04-17", "old_volume": 13209, "new_volume": 14589, "switch_utc": "2023-04-17T22:00:00+00:00", "difference": -0.027699999999999836 }, { "from_contract": "HOM23-NYMEX", "to_contract": "HON23-NYMEX", "decision_session": "2023-05-18", "old_volume": 12135, "new_volume": 15660, "switch_utc": "2023-05-18T22:00:00+00:00", "difference": -0.01639999999999997 }, { "from_contract": "HON23-NYMEX", "to_contract": "HOQ23-NYMEX", "decision_session": "2023-06-19", "old_volume": 4174, "new_volume": 5767, "switch_utc": "2023-06-19T22:00:00+00:00", "difference": -0.04039999999999999 }, { "from_contract": "HOQ23-NYMEX", "to_contract": "HOU23-NYMEX", "decision_session": "2023-07-18", "old_volume": 8861, "new_volume": 16566, "switch_utc": "2023-07-18T22:00:00+00:00", "difference": -0.005900000000000016 }, { "from_contract": "HOU23-NYMEX", "to_contract": "HOV23-NYMEX", "decision_session": "2023-08-17", "old_volume": 13374, "new_volume": 14371, "switch_utc": "2023-08-17T22:00:00+00:00", "difference": -0.02729999999999988 }, { "from_contract": "HOV23-NYMEX", "to_contract": "HOX23-NYMEX", "decision_session": "2023-09-18", "old_volume": 15249, "new_volume": 19294, "switch_utc": "2023-09-18T22:00:00+00:00", "difference": -0.06350000000000033 }, { "from_contract": "HOX23-NYMEX", "to_contract": "HOZ23-NYMEX", "decision_session": "2023-10-18", "old_volume": 16438, "new_volume": 23227, "switch_utc": "2023-10-18T22:00:00+00:00", "difference": -0.10009999999999986 }, { "from_contract": "HOZ23-NYMEX", "to_contract": "HOF24-NYMEX", "decision_session": "2023-11-16", "old_volume": 16278, "new_volume": 21052, "switch_utc": "2023-11-16T23:00:00+00:00", "difference": -0.07779999999999987 }, { "from_contract": "HOF24-NYMEX", "to_contract": "HOG24-NYMEX", "decision_session": "2023-12-18", "old_volume": 11860, "new_volume": 17336, "switch_utc": "2023-12-18T23:00:00+00:00", "difference": -0.024299999999999766 }, { "from_contract": "HOG24-NYMEX", "to_contract": "HOH24-NYMEX", "decision_session": "2024-01-18", "old_volume": 10144, "new_volume": 17798, "switch_utc": "2024-01-18T23:00:00+00:00", "difference": -0.04579999999999984 }, { "from_contract": "HOH24-NYMEX", "to_contract": "HOJ24-NYMEX", "decision_session": "2024-02-15", "old_volume": 20884, "new_volume": 22511, "switch_utc": "2024-02-15T23:00:00+00:00", "difference": -0.058399999999999785 }, { "from_contract": "HOJ24-NYMEX", "to_contract": "HOK24-NYMEX", "decision_session": "2024-03-15", "old_volume": 17685, "new_volume": 19066, "switch_utc": "2024-03-17T22:00:00+00:00", "difference": -0.031299999999999883 }, { "from_contract": "HOK24-NYMEX", "to_contract": "HOM24-NYMEX", "decision_session": "2024-04-16", "old_volume": 13922, "new_volume": 15653, "switch_utc": "2024-04-16T22:00:00+00:00", "difference": 0.005999999999999783 }, { "from_contract": "HOM24-NYMEX", "to_contract": "HON24-NYMEX", "decision_session": "2024-05-17", "old_volume": 18295, "new_volume": 20041, "switch_utc": "2024-05-19T22:00:00+00:00", "difference": 0.015200000000000102 }, { "from_contract": "HON24-NYMEX", "to_contract": "HOQ24-NYMEX", "decision_session": "2024-06-17", "old_volume": 15404, "new_volume": 25193, "switch_utc": "2024-06-17T22:00:00+00:00", "difference": 0.015800000000000036 }, { "from_contract": "HOQ24-NYMEX", "to_contract": "HOU24-NYMEX", "decision_session": "2024-07-16", "old_volume": 20169, "new_volume": 21835, "switch_utc": "2024-07-16T22:00:00+00:00", "difference": 0.015800000000000036 }, { "from_contract": "HOU24-NYMEX", "to_contract": "HOV24-NYMEX", "decision_session": "2024-08-19", "old_volume": 15450, "new_volume": 23761, "switch_utc": "2024-08-19T22:00:00+00:00", "difference": 0.018899999999999917 }, { "from_contract": "HOV24-NYMEX", "to_contract": "HOX24-NYMEX", "decision_session": "2024-09-17", "old_volume": 15367, "new_volume": 16882, "switch_utc": "2024-09-17T22:00:00+00:00", "difference": 0.013100000000000112 }, { "from_contract": "HOX24-NYMEX", "to_contract": "HOZ24-NYMEX", "decision_session": "2024-10-16", "old_volume": 12926, "new_volume": 14775, "switch_utc": "2024-10-16T22:00:00+00:00", "difference": 0.012700000000000156 }, { "from_contract": "HOZ24-NYMEX", "to_contract": "HOF25-NYMEX", "decision_session": "2024-11-18", "old_volume": 14161, "new_volume": 22123, "switch_utc": "2024-11-18T23:00:00+00:00", "difference": 0.00990000000000002 }, { "from_contract": "HOF25-NYMEX", "to_contract": "HOG25-NYMEX", "decision_session": "2024-12-17", "old_volume": 14737, "new_volume": 19752, "switch_utc": "2024-12-17T23:00:00+00:00", "difference": 0.0040000000000000036 }, { "from_contract": "HOG25-NYMEX", "to_contract": "HOH25-NYMEX", "decision_session": "2025-01-16", "old_volume": 19070, "new_volume": 26909, "switch_utc": "2025-01-16T23:00:00+00:00", "difference": -0.0528000000000004 }, { "from_contract": "HOH25-NYMEX", "to_contract": "HOJ25-NYMEX", "decision_session": "2025-02-17", "old_volume": 4529, "new_volume": 6104, "switch_utc": "2025-02-17T23:00:00+00:00", "difference": -0.06000000000000005 }, { "from_contract": "HOJ25-NYMEX", "to_contract": "HOK25-NYMEX", "decision_session": "2025-03-14", "old_volume": 19440, "new_volume": 21990, "switch_utc": "2025-03-16T22:00:00+00:00", "difference": -0.03229999999999977 }, { "from_contract": "HOK25-NYMEX", "to_contract": "HOM25-NYMEX", "decision_session": "2025-04-15", "old_volume": 13867, "new_volume": 15132, "switch_utc": "2025-04-15T22:00:00+00:00", "difference": -0.04190000000000005 }, { "from_contract": "HOM25-NYMEX", "to_contract": "HON25-NYMEX", "decision_session": "2025-05-15", "old_volume": 25827, "new_volume": 28519, "switch_utc": "2025-05-15T22:00:00+00:00", "difference": -0.058800000000000185 }, { "from_contract": "HON25-NYMEX", "to_contract": "HOQ25-NYMEX", "decision_session": "2025-06-16", "old_volume": 30933, "new_volume": 38176, "switch_utc": "2025-06-16T22:00:00+00:00", "difference": -0.01980000000000004 }, { "from_contract": "HOQ25-NYMEX", "to_contract": "HOU25-NYMEX", "decision_session": "2025-07-17", "old_volume": 15783, "new_volume": 17536, "switch_utc": "2025-07-17T22:00:00+00:00", "difference": -0.03069999999999995 }, { "from_contract": "HOU25-NYMEX", "to_contract": "HOV25-NYMEX", "decision_session": "2025-08-18", "old_volume": 12274, "new_volume": 16517, "switch_utc": "2025-08-18T22:00:00+00:00", "difference": -0.0039000000000002366 }, { "from_contract": "HOV25-NYMEX", "to_contract": "HOX25-NYMEX", "decision_session": "2025-09-17", "old_volume": 16307, "new_volume": 16926, "switch_utc": "2025-09-17T22:00:00+00:00", "difference": -0.005900000000000016 }, { "from_contract": "HOX25-NYMEX", "to_contract": "HOZ25-NYMEX", "decision_session": "2025-10-20", "old_volume": 10454, "new_volume": 14371, "switch_utc": "2025-10-20T22:00:00+00:00", "difference": -0.01869999999999994 }, { "from_contract": "HOZ25-NYMEX", "to_contract": "HOF26-NYMEX", "decision_session": "2025-11-17", "old_volume": 12945, "new_volume": 15243, "switch_utc": "2025-11-17T23:00:00+00:00", "difference": -0.05139999999999967 }, { "from_contract": "HOF26-NYMEX", "to_contract": "HOG26-NYMEX", "decision_session": "2025-12-16", "old_volume": 14531, "new_volume": 14558, "switch_utc": "2025-12-16T23:00:00+00:00", "difference": -0.007400000000000073 }, { "from_contract": "HOG26-NYMEX", "to_contract": "HOH26-NYMEX", "decision_session": "2026-01-16", "old_volume": 11016, "new_volume": 19337, "switch_utc": "2026-01-18T23:00:00+00:00", "difference": -0.015000000000000124 }, { "from_contract": "HOH26-NYMEX", "to_contract": "HOJ26-NYMEX", "decision_session": "2026-02-16", "old_volume": 2414, "new_volume": 2918, "switch_utc": "2026-02-16T23:00:00+00:00", "difference": -0.08809999999999985 }, { "from_contract": "HOJ26-NYMEX", "to_contract": "HOK26-NYMEX", "decision_session": "2026-03-17", "old_volume": 13106, "new_volume": 13449, "switch_utc": "2026-03-17T22:00:00+00:00", "difference": -0.20359999999999978 }, { "from_contract": "HOK26-NYMEX", "to_contract": "HOM26-NYMEX", "decision_session": "2026-04-17", "old_volume": 22205, "new_volume": 25034, "switch_utc": "2026-04-19T22:00:00+00:00", "difference": -0.10670000000000002 }, { "from_contract": "HOM26-NYMEX", "to_contract": "HON26-NYMEX", "decision_session": "2026-05-19", "old_volume": 6467, "new_volume": 16287, "switch_utc": "2026-05-19T22:00:00+00:00", "difference": -0.10320000000000018 }, { "from_contract": "HON26-NYMEX", "to_contract": "HOQ26-NYMEX", "decision_session": "2026-06-17", "old_volume": 10445, "new_volume": 14797, "switch_utc": "2026-06-17T22:00:00+00:00", "difference": -0.0472999999999999 }, { "from_contract": "HOQ26-NYMEX", "to_contract": "HOU26-NYMEX", "decision_session": "2026-07-17", "old_volume": 11008, "new_volume": 11413, "switch_utc": "2026-07-19T22:00:00+00:00", "difference": -0.1286000000000005 }, { "from_contract": "HOU26-NYMEX", "to_contract": "HOV26-NYMEX", "decision_session": "2026-08-19", "old_volume": 8560, "new_volume": 13049, "switch_utc": "2026-08-19T22:00:00+00:00", "difference": -0.1280000000000001 }, { "from_contract": "HOV26-NYMEX", "to_contract": "HOX26-NYMEX", "decision_session": "2026-09-18", "old_volume": 8994, "new_volume": 14074, "switch_utc": "2026-09-20T22:00:00+00:00", "difference": -0.21250000000000036 }, { "from_contract": "HOX26-NYMEX", "to_contract": "HOZ26-NYMEX", "decision_session": "2026-10-21", "old_volume": 8579, "new_volume": 26273, "switch_utc": "2026-10-21T22:00:00+00:00", "difference": -0.1849999999999996 } ] }