{
  "schema": "cme.es.tick.continuous/1",
  "as_of_utc": "2026-10-26T00:27:05.804328+00:00",
  "rows": 2908593563,
  "volume": 6327548099,
  "first_utc": "2010-03-15T01:10:00+00:00",
  "last_utc": "2026-10-26T00:11:00.108000+00:00",
  "anchor_contract": "ESZ26-CME",
  "adjustments": {
    "ESZ26-CME": 0.0,
    "ESU26-CME": 67.75,
    "ESM26-CME": 133.25,
    "ESH26-CME": 183.75,
    "ESZ25-CME": 241.25,
    "ESU25-CME": 298.75,
    "ESM25-CME": 352.25,
    "ESH25-CME": 404.0,
    "ESZ24-CME": 476.75,
    "ESU24-CME": 537.75,
    "ESM24-CME": 605.5,
    "ESH24-CME": 668.25,
    "ESZ23-CME": 721.0,
    "ESU23-CME": 770.5,
    "ESM23-CME": 815.25,
    "ESH23-CME": 847.5,
    "ESZ22-CME": 880.5,
    "ESU22-CME": 899.25,
    "ESM22-CME": 902.25,
    "ESH22-CME": 893.0,
    "ESZ21-CME": 885.75,
    "ESU21-CME": 876.5,
    "ESM21-CME": 867.5,
    "ESH21-CME": 858.75,
    "ESZ20-CME": 851.25,
    "ESU20-CME": 841.0,
    "ESM20-CME": 830.0,
    "ESH20-CME": 819.25,
    "ESZ19-CME": 822.5,
    "ESU19-CME": 825.0,
    "ESM19-CME": 829.0,
    "ESH19-CME": 834.25,
    "ESZ18-CME": 837.25,
    "ESU18-CME": 842.5,
    "ESM18-CME": 846.5,
    "ESH18-CME": 851.75,
    "ESZ17-CME": 855.0,
    "ESU17-CME": 853.25,
    "ESM17-CME": 850.5,
    "ESH17-CME": 847.5,
    "ESZ16-CME": 842.5,
    "ESU16-CME": 835.75,
    "ESM16-CME": 827.0,
    "ESH16-CME": 817.75,
    "ESZ15-CME": 809.75,
    "ESU15-CME": 800.0,
    "ESM15-CME": 791.5,
    "ESH15-CME": 783.75,
    "ESZ14-CME": 776.75,
    "ESU14-CME": 768.5,
    "ESM14-CME": 761.0,
    "ESH14-CME": 754.0,
    "ESZ13-CME": 748.0,
    "ESU13-CME": 741.25,
    "ESM13-CME": 735.5,
    "ESH13-CME": 730.25,
    "ESZ12-CME": 724.5,
    "ESU12-CME": 718.0,
    "ESM12-CME": 711.75,
    "ESH12-CME": 706.0,
    "ESZ11-CME": 699.5,
    "ESU11-CME": 693.75,
    "ESM11-CME": 688.75,
    "ESH11-CME": 683.5
  },
  "files": [
    "cme.es.tick.continuous.2010.parquet",
    "cme.es.tick.continuous.2011.parquet",
    "cme.es.tick.continuous.2012.parquet",
    "cme.es.tick.continuous.2013.parquet",
    "cme.es.tick.continuous.2014.parquet",
    "cme.es.tick.continuous.2015.parquet",
    "cme.es.tick.continuous.2016.parquet",
    "cme.es.tick.continuous.2017.parquet",
    "cme.es.tick.continuous.2018.parquet",
    "cme.es.tick.continuous.2019.parquet",
    "cme.es.tick.continuous.2020.parquet",
    "cme.es.tick.continuous.2021.parquet",
    "cme.es.tick.continuous.2022.parquet",
    "cme.es.tick.continuous.2023.parquet",
    "cme.es.tick.continuous.2024.parquet",
    "cme.es.tick.continuous.2025.parquet",
    "cme.es.tick.continuous.2026.parquet"
  ],
  "rolls": [
    {
      "from_contract": "ESH11-CME",
      "to_contract": "ESM11-CME",
      "decision_session": "2011-03-11",
      "old_volume": 1107628,
      "new_volume": 2173317,
      "switch_utc": "2011-03-13T22:00:00+00:00",
      "difference": -5.25
    },
    {
      "from_contract": "ESM11-CME",
      "to_contract": "ESU11-CME",
      "decision_session": "2011-06-10",
      "old_volume": 1428034,
      "new_volume": 2331849,
      "switch_utc": "2011-06-12T22:00:00+00:00",
      "difference": -5.0
    },
    {
      "from_contract": "ESU11-CME",
      "to_contract": "ESZ11-CME",
      "decision_session": "2011-09-09",
      "old_volume": 1604244,
      "new_volume": 3158943,
      "switch_utc": "2011-09-11T22:00:00+00:00",
      "difference": -5.75
    },
    {
      "from_contract": "ESZ11-CME",
      "to_contract": "ESH12-CME",
      "decision_session": "2011-12-09",
      "old_volume": 1129536,
      "new_volume": 2390837,
      "switch_utc": "2011-12-11T23:00:00+00:00",
      "difference": -6.5
    },
    {
      "from_contract": "ESH12-CME",
      "to_contract": "ESM12-CME",
      "decision_session": "2012-03-09",
      "old_volume": 1046925,
      "new_volume": 1878396,
      "switch_utc": "2012-03-11T22:00:00+00:00",
      "difference": -5.75
    },
    {
      "from_contract": "ESM12-CME",
      "to_contract": "ESU12-CME",
      "decision_session": "2012-06-08",
      "old_volume": 1118332,
      "new_volume": 1678954,
      "switch_utc": "2012-06-10T22:00:00+00:00",
      "difference": -6.25
    },
    {
      "from_contract": "ESU12-CME",
      "to_contract": "ESZ12-CME",
      "decision_session": "2012-09-09",
      "old_volume": 3,
      "new_volume": 7,
      "switch_utc": "2012-09-09T22:00:00+00:00",
      "difference": -6.5
    },
    {
      "from_contract": "ESZ12-CME",
      "to_contract": "ESH13-CME",
      "decision_session": "2012-12-14",
      "old_volume": 431201,
      "new_volume": 1077882,
      "switch_utc": "2012-12-16T23:00:00+00:00",
      "difference": -5.75
    },
    {
      "from_contract": "ESH13-CME",
      "to_contract": "ESM13-CME",
      "decision_session": "2013-03-08",
      "old_volume": 654166,
      "new_volume": 1431667,
      "switch_utc": "2013-03-10T22:00:00+00:00",
      "difference": -5.25
    },
    {
      "from_contract": "ESM13-CME",
      "to_contract": "ESU13-CME",
      "decision_session": "2013-06-14",
      "old_volume": 572123,
      "new_volume": 1374220,
      "switch_utc": "2013-06-16T22:00:00+00:00",
      "difference": -5.75
    },
    {
      "from_contract": "ESU13-CME",
      "to_contract": "ESZ13-CME",
      "decision_session": "2013-09-13",
      "old_volume": 352810,
      "new_volume": 758688,
      "switch_utc": "2013-09-15T22:00:00+00:00",
      "difference": -6.75
    },
    {
      "from_contract": "ESZ13-CME",
      "to_contract": "ESH14-CME",
      "decision_session": "2013-12-13",
      "old_volume": 443485,
      "new_volume": 1007991,
      "switch_utc": "2013-12-15T23:00:00+00:00",
      "difference": -6.0
    },
    {
      "from_contract": "ESH14-CME",
      "to_contract": "ESM14-CME",
      "decision_session": "2014-03-14",
      "old_volume": 717644,
      "new_volume": 1605684,
      "switch_utc": "2014-03-16T22:00:00+00:00",
      "difference": -7.0
    },
    {
      "from_contract": "ESM14-CME",
      "to_contract": "ESU14-CME",
      "decision_session": "2014-06-13",
      "old_volume": 405184,
      "new_volume": 990877,
      "switch_utc": "2014-06-15T22:00:00+00:00",
      "difference": -7.5
    },
    {
      "from_contract": "ESU14-CME",
      "to_contract": "ESZ14-CME",
      "decision_session": "2014-09-12",
      "old_volume": 549174,
      "new_volume": 1156461,
      "switch_utc": "2014-09-14T22:00:00+00:00",
      "difference": -8.25
    },
    {
      "from_contract": "ESZ14-CME",
      "to_contract": "ESH15-CME",
      "decision_session": "2014-12-12",
      "old_volume": 952017,
      "new_volume": 1928288,
      "switch_utc": "2014-12-14T23:00:00+00:00",
      "difference": -7.0
    },
    {
      "from_contract": "ESH15-CME",
      "to_contract": "ESM15-CME",
      "decision_session": "2015-03-13",
      "old_volume": 697410,
      "new_volume": 1221186,
      "switch_utc": "2015-03-15T22:00:00+00:00",
      "difference": -7.75
    },
    {
      "from_contract": "ESM15-CME",
      "to_contract": "ESU15-CME",
      "decision_session": "2015-06-12",
      "old_volume": 520812,
      "new_volume": 1146588,
      "switch_utc": "2015-06-14T22:00:00+00:00",
      "difference": -8.5
    },
    {
      "from_contract": "ESU15-CME",
      "to_contract": "ESZ15-CME",
      "decision_session": "2015-09-11",
      "old_volume": 485205,
      "new_volume": 950748,
      "switch_utc": "2015-09-13T22:00:00+00:00",
      "difference": -9.75
    },
    {
      "from_contract": "ESZ15-CME",
      "to_contract": "ESH16-CME",
      "decision_session": "2015-12-11",
      "old_volume": 1014124,
      "new_volume": 1783690,
      "switch_utc": "2015-12-13T23:00:00+00:00",
      "difference": -8.0
    },
    {
      "from_contract": "ESH16-CME",
      "to_contract": "ESM16-CME",
      "decision_session": "2016-03-11",
      "old_volume": 699319,
      "new_volume": 1308682,
      "switch_utc": "2016-03-13T22:00:00+00:00",
      "difference": -9.25
    },
    {
      "from_contract": "ESM16-CME",
      "to_contract": "ESU16-CME",
      "decision_session": "2016-06-10",
      "old_volume": 748262,
      "new_volume": 1311589,
      "switch_utc": "2016-06-12T22:00:00+00:00",
      "difference": -8.75
    },
    {
      "from_contract": "ESU16-CME",
      "to_contract": "ESZ16-CME",
      "decision_session": "2016-09-09",
      "old_volume": 1354799,
      "new_volume": 2092835,
      "switch_utc": "2016-09-11T22:00:00+00:00",
      "difference": -6.75
    },
    {
      "from_contract": "ESZ16-CME",
      "to_contract": "ESH17-CME",
      "decision_session": "2016-12-09",
      "old_volume": 485283,
      "new_volume": 1013273,
      "switch_utc": "2016-12-11T23:00:00+00:00",
      "difference": -5.0
    },
    {
      "from_contract": "ESH17-CME",
      "to_contract": "ESM17-CME",
      "decision_session": "2017-03-10",
      "old_volume": 572389,
      "new_volume": 1077831,
      "switch_utc": "2017-03-12T22:00:00+00:00",
      "difference": -3.0
    },
    {
      "from_contract": "ESM17-CME",
      "to_contract": "ESU17-CME",
      "decision_session": "2017-06-09",
      "old_volume": 940773,
      "new_volume": 1454721,
      "switch_utc": "2017-06-11T22:00:00+00:00",
      "difference": -2.75
    },
    {
      "from_contract": "ESU17-CME",
      "to_contract": "ESZ17-CME",
      "decision_session": "2017-09-08",
      "old_volume": 558769,
      "new_volume": 803520,
      "switch_utc": "2017-09-10T22:00:00+00:00",
      "difference": -1.75
    },
    {
      "from_contract": "ESZ17-CME",
      "to_contract": "ESH18-CME",
      "decision_session": "2017-12-08",
      "old_volume": 474239,
      "new_volume": 664186,
      "switch_utc": "2017-12-10T23:00:00+00:00",
      "difference": 3.25
    },
    {
      "from_contract": "ESH18-CME",
      "to_contract": "ESM18-CME",
      "decision_session": "2018-03-12",
      "old_volume": 445100,
      "new_volume": 879335,
      "switch_utc": "2018-03-12T22:00:00+00:00",
      "difference": 5.25
    },
    {
      "from_contract": "ESM18-CME",
      "to_contract": "ESU18-CME",
      "decision_session": "2018-06-11",
      "old_volume": 353020,
      "new_volume": 720075,
      "switch_utc": "2018-06-11T22:00:00+00:00",
      "difference": 4.0
    },
    {
      "from_contract": "ESU18-CME",
      "to_contract": "ESZ18-CME",
      "decision_session": "2018-09-14",
      "old_volume": 613087,
      "new_volume": 792934,
      "switch_utc": "2018-09-16T22:00:00+00:00",
      "difference": 5.25
    },
    {
      "from_contract": "ESZ18-CME",
      "to_contract": "ESH19-CME",
      "decision_session": "2018-12-14",
      "old_volume": 940861,
      "new_volume": 1321229,
      "switch_utc": "2018-12-16T23:00:00+00:00",
      "difference": 3.0
    },
    {
      "from_contract": "ESH19-CME",
      "to_contract": "ESM19-CME",
      "decision_session": "2019-03-08",
      "old_volume": 865206,
      "new_volume": 1028198,
      "switch_utc": "2019-03-10T22:00:00+00:00",
      "difference": 5.25
    },
    {
      "from_contract": "ESM19-CME",
      "to_contract": "ESU19-CME",
      "decision_session": "2019-06-14",
      "old_volume": 644243,
      "new_volume": 743342,
      "switch_utc": "2019-06-16T22:00:00+00:00",
      "difference": 4.0
    },
    {
      "from_contract": "ESU19-CME",
      "to_contract": "ESZ19-CME",
      "decision_session": "2019-09-13",
      "old_volume": 652248,
      "new_volume": 718705,
      "switch_utc": "2019-09-15T22:00:00+00:00",
      "difference": 2.5
    },
    {
      "from_contract": "ESZ19-CME",
      "to_contract": "ESH20-CME",
      "decision_session": "2019-12-13",
      "old_volume": 1124213,
      "new_volume": 1374943,
      "switch_utc": "2019-12-15T23:00:00+00:00",
      "difference": 3.25
    },
    {
      "from_contract": "ESH20-CME",
      "to_contract": "ESM20-CME",
      "decision_session": "2020-03-16",
      "old_volume": 1118309,
      "new_volume": 2323164,
      "switch_utc": "2020-03-16T22:00:00+00:00",
      "difference": -10.75
    },
    {
      "from_contract": "ESM20-CME",
      "to_contract": "ESU20-CME",
      "decision_session": "2020-06-15",
      "old_volume": 1001898,
      "new_volume": 2064909,
      "switch_utc": "2020-06-15T22:00:00+00:00",
      "difference": -11.0
    },
    {
      "from_contract": "ESU20-CME",
      "to_contract": "ESZ20-CME",
      "decision_session": "2020-09-11",
      "old_volume": 1109694,
      "new_volume": 1307164,
      "switch_utc": "2020-09-13T22:00:00+00:00",
      "difference": -10.25
    },
    {
      "from_contract": "ESZ20-CME",
      "to_contract": "ESH21-CME",
      "decision_session": "2020-12-11",
      "old_volume": 830134,
      "new_volume": 982733,
      "switch_utc": "2020-12-13T23:00:00+00:00",
      "difference": -7.5
    },
    {
      "from_contract": "ESH21-CME",
      "to_contract": "ESM21-CME",
      "decision_session": "2021-03-12",
      "old_volume": 736295,
      "new_volume": 899620,
      "switch_utc": "2021-03-14T22:00:00+00:00",
      "difference": -8.75
    },
    {
      "from_contract": "ESM21-CME",
      "to_contract": "ESU21-CME",
      "decision_session": "2021-06-11",
      "old_volume": 383112,
      "new_volume": 611278,
      "switch_utc": "2021-06-13T22:00:00+00:00",
      "difference": -9.0
    },
    {
      "from_contract": "ESU21-CME",
      "to_contract": "ESZ21-CME",
      "decision_session": "2021-09-10",
      "old_volume": 902450,
      "new_volume": 1060020,
      "switch_utc": "2021-09-12T22:00:00+00:00",
      "difference": -9.25
    },
    {
      "from_contract": "ESZ21-CME",
      "to_contract": "ESH22-CME",
      "decision_session": "2021-12-10",
      "old_volume": 862388,
      "new_volume": 991731,
      "switch_utc": "2021-12-12T23:00:00+00:00",
      "difference": -7.25
    },
    {
      "from_contract": "ESH22-CME",
      "to_contract": "ESM22-CME",
      "decision_session": "2022-03-11",
      "old_volume": 901650,
      "new_volume": 986463,
      "switch_utc": "2022-03-13T22:00:00+00:00",
      "difference": -9.25
    },
    {
      "from_contract": "ESM22-CME",
      "to_contract": "ESU22-CME",
      "decision_session": "2022-06-13",
      "old_volume": 1125092,
      "new_volume": 2169513,
      "switch_utc": "2022-06-13T22:00:00+00:00",
      "difference": 3.0
    },
    {
      "from_contract": "ESU22-CME",
      "to_contract": "ESZ22-CME",
      "decision_session": "2022-09-12",
      "old_volume": 642781,
      "new_volume": 1472689,
      "switch_utc": "2022-09-12T22:00:00+00:00",
      "difference": 18.75
    },
    {
      "from_contract": "ESZ22-CME",
      "to_contract": "ESH23-CME",
      "decision_session": "2022-12-12",
      "old_volume": 518090,
      "new_volume": 1094261,
      "switch_utc": "2022-12-12T23:00:00+00:00",
      "difference": 33.0
    },
    {
      "from_contract": "ESH23-CME",
      "to_contract": "ESM23-CME",
      "decision_session": "2023-03-13",
      "old_volume": 1602118,
      "new_volume": 2375643,
      "switch_utc": "2023-03-13T22:00:00+00:00",
      "difference": 32.25
    },
    {
      "from_contract": "ESM23-CME",
      "to_contract": "ESU23-CME",
      "decision_session": "2023-06-12",
      "old_volume": 529040,
      "new_volume": 1142972,
      "switch_utc": "2023-06-12T22:00:00+00:00",
      "difference": 44.75
    },
    {
      "from_contract": "ESU23-CME",
      "to_contract": "ESZ23-CME",
      "decision_session": "2023-09-11",
      "old_volume": 555107,
      "new_volume": 911542,
      "switch_utc": "2023-09-11T22:00:00+00:00",
      "difference": 49.5
    },
    {
      "from_contract": "ESZ23-CME",
      "to_contract": "ESH24-CME",
      "decision_session": "2023-12-11",
      "old_volume": 467706,
      "new_volume": 1023513,
      "switch_utc": "2023-12-11T23:00:00+00:00",
      "difference": 52.75
    },
    {
      "from_contract": "ESH24-CME",
      "to_contract": "ESM24-CME",
      "decision_session": "2024-03-11",
      "old_volume": 715550,
      "new_volume": 1117906,
      "switch_utc": "2024-03-11T22:00:00+00:00",
      "difference": 62.75
    },
    {
      "from_contract": "ESM24-CME",
      "to_contract": "ESU24-CME",
      "decision_session": "2024-06-17",
      "old_volume": 443865,
      "new_volume": 1027582,
      "switch_utc": "2024-06-17T22:00:00+00:00",
      "difference": 67.75
    },
    {
      "from_contract": "ESU24-CME",
      "to_contract": "ESZ24-CME",
      "decision_session": "2024-09-16",
      "old_volume": 461273,
      "new_volume": 645285,
      "switch_utc": "2024-09-16T22:00:00+00:00",
      "difference": 61.0
    },
    {
      "from_contract": "ESZ24-CME",
      "to_contract": "ESH25-CME",
      "decision_session": "2024-12-16",
      "old_volume": 451208,
      "new_volume": 754546,
      "switch_utc": "2024-12-16T23:00:00+00:00",
      "difference": 72.75
    },
    {
      "from_contract": "ESH25-CME",
      "to_contract": "ESM25-CME",
      "decision_session": "2025-03-17",
      "old_volume": 733278,
      "new_volume": 813234,
      "switch_utc": "2025-03-17T22:00:00+00:00",
      "difference": 51.75
    },
    {
      "from_contract": "ESM25-CME",
      "to_contract": "ESU25-CME",
      "decision_session": "2025-06-16",
      "old_volume": 541682,
      "new_volume": 757791,
      "switch_utc": "2025-06-16T22:00:00+00:00",
      "difference": 53.5
    },
    {
      "from_contract": "ESU25-CME",
      "to_contract": "ESZ25-CME",
      "decision_session": "2025-09-15",
      "old_volume": 433344,
      "new_volume": 698737,
      "switch_utc": "2025-09-15T22:00:00+00:00",
      "difference": 57.5
    },
    {
      "from_contract": "ESZ25-CME",
      "to_contract": "ESH26-CME",
      "decision_session": "2025-12-15",
      "old_volume": 590475,
      "new_volume": 975303,
      "switch_utc": "2025-12-15T23:00:00+00:00",
      "difference": 57.5
    },
    {
      "from_contract": "ESH26-CME",
      "to_contract": "ESM26-CME",
      "decision_session": "2026-03-16",
      "old_volume": 798814,
      "new_volume": 1055280,
      "switch_utc": "2026-03-16T22:00:00+00:00",
      "difference": 50.5
    },
    {
      "from_contract": "ESM26-CME",
      "to_contract": "ESU26-CME",
      "decision_session": "2026-06-15",
      "old_volume": 579431,
      "new_volume": 923610,
      "switch_utc": "2026-06-15T22:00:00+00:00",
      "difference": 65.5
    },
    {
      "from_contract": "ESU26-CME",
      "to_contract": "ESZ26-CME",
      "decision_session": "2026-09-14",
      "old_volume": 737362,
      "new_volume": 849992,
      "switch_utc": "2026-09-14T22:00:00+00:00",
      "difference": 67.75
    }
  ]
}