BZ Downloads

Published Parquet files and roll records.

Bars

OHLCV bars by timeframe, with annual downloads.

BZ annual bar files · Select a file size to download
Year	10s	1m	2m	5m	30m	1h	4h	1D
2026	Free10.9 MB	3.7 MB	2.2 MB	1.1 MB	262.2 KB	152.4 KB	59.9 KB	23.8 KB
2025	9.9 MB	3.6 MB	2.2 MB	1.1 MB	276.8 KB	169.4 KB	70.5 KB	28.7 KB
2024	10.6 MB	3.6 MB	2.1 MB	1.1 MB	281.7 KB	170.4 KB	70.1 KB	28.7 KB
2023	10.6 MB	3.7 MB	2.2 MB	1.1 MB	291.8 KB	175.7 KB	71.8 KB	28.9 KB
2022	10.4 MB	3.8 MB	2.3 MB	1.2 MB	312.9 KB	184.1 KB	72.9 KB	28.9 KB
2021	9.9 MB	3.7 MB	2.2 MB	1.1 MB	291.0 KB	175.6 KB	72.2 KB	28.9 KB
2020	10.2 MB	3.7 MB	2.2 MB	1.1 MB	285.5 KB	171.8 KB	71.1 KB	28.8 KB
2019	8.6 MB	3.4 MB	2.0 MB	1.0 MB	272.6 KB	167.8 KB	69.8 KB	28.7 KB
2018	6.6 MB	2.9 MB	1.8 MB	984.0 KB	272.0 KB	168.9 KB	70.8 KB	28.8 KB
2017	5.5 MB	2.4 MB	1.6 MB	849.8 KB	248.5 KB	157.3 KB	68.6 KB	28.6 KB
2016	6.4 MB	2.6 MB	1.7 MB	923.9 KB	265.8 KB	165.3 KB	70.0 KB	28.9 KB
2015	6.1 MB	2.3 MB	1.5 MB	835.8 KB	256.8 KB	163.2 KB	69.8 KB	28.9 KB
2014	1.1 MB	493.8 KB	332.9 KB	197.1 KB	68.0 KB	44.1 KB	20.1 KB	8.8 KB

Continuous futures data (13)

Continuous derived datasets with unadjusted prices and additive roll adjustments.

BZ back-adjusted continuous files by year
Year	Size	File
2026	57.4 MB	download
2025	48.9 MB	download
2024	54.7 MB	download
2023	54.7 MB	download
2022	47.6 MB	download
2021	49.5 MB	download
2020	43.3 MB	download
2019	37.1 MB	download
2018	28.8 MB	download
2017	23.5 MB	download
2016	34.2 MB	download
2015	38.9 MB	download
2014	4.8 MB	download

All contracts (156)

BZ per-contract tick datasets
Contract	Coverage	Rows	Size	File
BZV27	2026-05 to 2026-10	316	9.9 KB	parquet
BZU27	2026-05 to 2026-10	130	10.7 KB	parquet
BZQ27	2026-05 to 2026-10	56	9.0 KB	parquet
BZK27	2026-04 to 2026-10	532	24.2 KB	parquet
BZN27	2026-03 to 2026-10	57	14.5 KB	parquet
BZH27	2026-02 to 2026-10	3,785	83.0 KB	parquet
BZF27	2026-01 to 2026-10	149,995	2.7 MB	parquet
BZJ27	2025-12 to 2026-10	695	31.1 KB	parquet
BZG27	2025-11 to 2026-10	6,751	134.2 KB	parquet
BZX26	2025-10 to 2026-09	483,807	7.3 MB	parquet
BZV26	2025-10 to 2026-08	410,305	6.6 MB	parquet
BZQ26	2025-08 to 2026-06	444,686	6.9 MB	parquet
BZU26	2025-06 to 2026-07	458,315	6.9 MB	parquet
BZN26	2025-06 to 2026-05	498,426	7.3 MB	parquet
BZK26	2025-06 to 2026-03	807,340	10.5 MB	parquet
BZJ26	2025-04 to 2026-02	347,439	5.5 MB	parquet
BZG26	2025-04 to 2025-12	214,112	3.8 MB	parquet
BZM27	2025-02 to 2026-10	4,113	107.0 KB	parquet
BZH26	2025-02 to 2026-01	239,110	4.0 MB	parquet
BZF26	2025-02 to 2025-11	264,217	4.6 MB	parquet
BZX25	2024-11 to 2025-09	201,753	3.6 MB	parquet
BZV25	2024-11 to 2025-08	229,004	4.2 MB	parquet
BZU25	2024-08 to 2025-07	359,507	6.0 MB	parquet
BZN25	2024-07 to 2025-05	447,013	6.7 MB	parquet
BZK25	2024-04 to 2025-03	338,495	5.4 MB	parquet
BZJ25	2024-04 to 2025-02	358,220	5.8 MB	parquet
BZM26	2024-03 to 2026-04	672,672	9.3 MB	parquet
BZH25	2024-01 to 2025-01	390,301	5.7 MB	parquet
BZF25	2023-12 to 2024-11	371,848	6.0 MB	parquet
BZX24	2023-10 to 2024-09	455,898	6.8 MB	parquet
BZQ24	2023-09 to 2024-06	390,349	5.9 MB	parquet
BZN24	2023-09 to 2024-05	387,419	6.1 MB	parquet
BZV24	2023-05 to 2024-08	524,427	7.4 MB	parquet
BZK24	2023-04 to 2024-03	389,859	5.9 MB	parquet
BZM25	2023-03 to 2025-04	585,670	8.1 MB	parquet
BZG24	2023-03 to 2023-12	369,709	6.0 MB	parquet
BZJ24	2023-02 to 2024-02	394,924	6.2 MB	parquet
BZF24	2022-12 to 2023-11	439,033	6.6 MB	parquet
BZQ25	2022-11 to 2025-06	530,392	7.4 MB	parquet
BZX23	2022-10 to 2023-09	372,653	5.6 MB	parquet
BZV23	2022-10 to 2023-08	364,580	5.7 MB	parquet
BZG25	2022-09 to 2024-12	285,409	4.8 MB	parquet
BZN23	2022-07 to 2023-05	365,437	5.6 MB	parquet
BZU24	2022-06 to 2024-07	526,824	7.3 MB	parquet
BZH24	2022-06 to 2024-01	407,250	6.2 MB	parquet
BZZ26	2022-04 to 2026-10	680,996	9.7 MB	parquet
BZU23	2022-03 to 2023-07	342,800	5.7 MB	parquet
BZK23	2022-03 to 2023-03	336,784	5.3 MB	parquet
BZJ23	2022-03 to 2023-02	299,826	4.9 MB	parquet
BZG23	2021-10 to 2022-12	292,717	4.9 MB	parquet
BZF23	2021-10 to 2022-11	327,671	5.2 MB	parquet
BZX22	2021-10 to 2022-09	298,620	4.8 MB	parquet
BZM24	2021-09 to 2024-04	485,084	7.1 MB	parquet
BZV22	2021-09 to 2022-08	288,053	4.6 MB	parquet
BZQ23	2021-07 to 2023-06	368,079	5.6 MB	parquet
BZQ22	2021-07 to 2022-06	251,391	4.3 MB	parquet
BZN22	2021-07 to 2022-05	247,645	4.3 MB	parquet
BZZ25	2021-06 to 2025-10	329,359	5.5 MB	parquet
BZU22	2021-05 to 2022-07	267,396	4.6 MB	parquet
BZK22	2021-04 to 2022-03	338,542	5.8 MB	parquet
BZJ22	2021-04 to 2022-02	401,876	6.0 MB	parquet
BZH22	2021-02 to 2022-01	340,731	5.5 MB	parquet
BZM23	2020-10 to 2023-04	372,648	6.2 MB	parquet
BZG22	2020-10 to 2021-12	434,491	6.5 MB	parquet
BZX21	2020-10 to 2021-09	304,209	4.9 MB	parquet
BZF22	2020-05 to 2021-11	447,491	6.6 MB	parquet
BZV21	2020-05 to 2021-08	384,607	5.9 MB	parquet
BZQ21	2020-05 to 2021-06	328,981	5.0 MB	parquet
BZM22	2020-04 to 2022-04	265,524	4.8 MB	parquet
BZU21	2020-04 to 2021-07	432,372	6.1 MB	parquet
BZN21	2020-04 to 2021-05	295,025	4.8 MB	parquet
BZK21	2020-04 to 2021-03	383,274	5.5 MB	parquet
BZJ21	2020-03 to 2021-02	263,906	4.4 MB	parquet
BZF21	2020-02 to 2020-11	318,941	4.9 MB	parquet
BZH21	2020-01 to 2021-01	256,037	4.2 MB	parquet
BZG21	2020-01 to 2020-12	239,444	4.0 MB	parquet
BZH23	2019-12 to 2023-01	323,005	5.2 MB	parquet
BZV20	2019-10 to 2020-08	190,124	3.3 MB	parquet
BZX20	2019-08 to 2020-09	266,974	4.2 MB	parquet
BZU20	2019-08 to 2020-07	250,668	4.2 MB	parquet
BZQ20	2019-08 to 2020-06	324,409	5.0 MB	parquet
BZN20	2019-06 to 2020-05	338,999	5.3 MB	parquet
BZK20	2019-04 to 2020-03	360,207	5.4 MB	parquet
BZZ24	2019-02 to 2024-10	504,615	7.5 MB	parquet
BZG20	2019-01 to 2019-12	178,561	3.1 MB	parquet
BZJ20	2018-12 to 2020-02	263,565	4.3 MB	parquet
BZZ23	2018-11 to 2023-10	624,856	8.8 MB	parquet
BZM21	2018-10 to 2021-04	370,274	6.1 MB	parquet
BZX19	2018-10 to 2019-09	241,551	3.8 MB	parquet
BZV19	2018-09 to 2019-08	288,221	4.2 MB	parquet
BZZ22	2018-04 to 2022-10	454,636	7.1 MB	parquet
BZH20	2018-01 to 2020-01	252,876	4.0 MB	parquet
BZK19	2018-01 to 2019-03	207,189	3.3 MB	parquet
BZJ19	2017-12 to 2019-02	155,081	2.8 MB	parquet
BZQ19	2017-11 to 2019-06	327,297	4.9 MB	parquet
BZM20	2017-10 to 2020-04	464,639	6.8 MB	parquet
BZN19	2017-10 to 2019-05	289,162	4.4 MB	parquet
BZU19	2017-09 to 2019-07	283,072	4.3 MB	parquet
BZH19	2017-09 to 2019-01	197,720	3.4 MB	parquet
BZN18	2017-06 to 2018-05	164,766	3.0 MB	parquet
BZJ18	2017-02 to 2018-02	146,126	2.5 MB	parquet
BZG18	2017-02 to 2017-12	149,962	2.7 MB	parquet
BZF20	2016-12 to 2019-11	181,201	3.2 MB	parquet
BZM19	2016-12 to 2019-04	234,570	4.0 MB	parquet
BZF18	2016-12 to 2017-11	172,379	3.0 MB	parquet
BZZ21	2016-09 to 2021-10	509,485	7.7 MB	parquet
BZN17	2016-07 to 2017-05	128,942	2.3 MB	parquet
BZJ17	2016-05 to 2017-02	118,023	2.0 MB	parquet
BZK17	2016-04 to 2017-03	134,182	2.3 MB	parquet
BZM18	2016-01 to 2018-04	164,405	2.9 MB	parquet
BZG17	2016-01 to 2016-12	209,410	3.5 MB	parquet
BZF17	2016-01 to 2016-11	337,458	4.7 MB	parquet
BZK18	2015-12 to 2018-03	131,018	2.3 MB	parquet
BZV16	2015-12 to 2016-08	187,833	3.2 MB	parquet
BZZ20	2015-11 to 2020-10	353,955	5.5 MB	parquet
BZG19	2015-11 to 2018-12	228,931	3.9 MB	parquet
BZF19	2015-11 to 2018-11	226,163	3.8 MB	parquet
BZX18	2015-11 to 2018-09	145,585	2.5 MB	parquet
BZV18	2015-11 to 2018-08	127,330	2.2 MB	parquet
BZU18	2015-11 to 2018-07	175,096	3.1 MB	parquet
BZQ18	2015-11 to 2018-06	207,486	3.5 MB	parquet
BZH18	2015-11 to 2018-01	122,311	2.1 MB	parquet
BZH17	2015-10 to 2017-01	172,118	2.9 MB	parquet
BZX16	2015-10 to 2016-09	180,169	3.1 MB	parquet
BZX17	2015-09 to 2017-09	131,653	2.3 MB	parquet
BZV17	2015-09 to 2017-08	127,100	2.2 MB	parquet
BZU16	2015-08 to 2016-07	146,388	2.6 MB	parquet
BZQ16	2015-07 to 2016-06	144,848	2.5 MB	parquet
BZN16	2015-07 to 2016-05	152,016	2.6 MB	parquet
BZU17	2015-06 to 2017-07	104,967	1.8 MB	parquet
BZK16	2015-04 to 2016-03	193,540	3.3 MB	parquet
BZJ16	2015-04 to 2016-02	237,841	3.8 MB	parquet
BZZ19	2015-03 to 2019-10	276,776	4.7 MB	parquet
BZZ18	2015-02 to 2018-10	295,135	4.9 MB	parquet
BZH16	2015-02 to 2016-01	181,033	2.9 MB	parquet
BZG16	2015-02 to 2016-01	239,128	4.1 MB	parquet
BZF16	2015-01 to 2015-12	256,481	4.5 MB	parquet
BZQ17	2014-11 to 2017-06	124,076	2.1 MB	parquet
BZM17	2014-11 to 2017-04	91,563	1.6 MB	parquet
BZX15	2014-10 to 2015-10	186,835	3.2 MB	parquet
BZV15	2014-10 to 2015-09	355,690	5.6 MB	parquet
BZU15	2014-10 to 2015-08	286,524	4.5 MB	parquet
BZQ15	2014-10 to 2015-07	238,278	4.1 MB	parquet
BZN15	2014-10 to 2015-06	167,560	2.9 MB	parquet
BZZ17	2014-09 to 2017-10	198,848	3.5 MB	parquet
BZZ16	2014-09 to 2016-10	255,938	4.0 MB	parquet
BZM16	2014-09 to 2016-04	166,491	3.0 MB	parquet
BZZ15	2014-09 to 2015-11	275,461	4.6 MB	parquet
BZM15	2014-09 to 2015-05	174,939	3.0 MB	parquet
BZK15	2014-09 to 2015-04	151,833	2.6 MB	parquet
BZJ15	2014-09 to 2015-03	254,179	4.1 MB	parquet
BZH15	2014-09 to 2015-02	297,267	4.6 MB	parquet
BZG15	2014-09 to 2015-01	152,778	2.6 MB	parquet
BZF15	2014-09 to 2014-12	122,931	2.2 MB	parquet
BZZ14	2014-09 to 2014-11	141,919	2.3 MB	parquet
BZX14	2014-09 to 2014-10	70,595	1.2 MB	parquet

Latest 20 rolls

Latest 20 of 145 rolls. Download the full JSON ledger.

BZ latest roll records
Session	From	To	Diff	Old volume	New volume
2026-09-25	BZX26-NYMEX	BZZ26-NYMEX	-6.92	9,191	29,443
2026-08-21	BZV26-NYMEX	BZX26-NYMEX	-1.74	7,175	8,700
2026-07-27	BZU26-NYMEX	BZV26-NYMEX	-2.41	7,770	12,834
2026-06-25	BZQ26-NYMEX	BZU26-NYMEX	0.31	6,320	10,663
2026-05-26	BZN26-NYMEX	BZQ26-NYMEX	-2.99	7,878	11,405
2026-04-27	BZM26-NYMEX	BZN26-NYMEX	-6.4	7,997	10,086
2026-03-26	BZK26-NYMEX	BZM26-NYMEX	-5.97	8,001	17,032
2026-02-20	BZJ26-NYMEX	BZK26-NYMEX	-0.43	7,795	8,822
2026-01-23	BZH26-NYMEX	BZJ26-NYMEX	-0.82	7,522	7,859
2025-12-26	BZG26-NYMEX	BZH26-NYMEX	-0.42	1,779	7,277
2025-11-21	BZF26-NYMEX	BZG26-NYMEX	-0.59	9,932	10,518
2025-10-24	BZZ25-NYMEX	BZF26-NYMEX	-0.77	5,944	9,044
2025-09-25	BZX25-NYMEX	BZZ25-NYMEX	-0.86	2,588	9,745
2025-08-27	BZV25-NYMEX	BZX25-NYMEX	-0.6	1,283	5,901
2025-07-28	BZU25-NYMEX	BZV25-NYMEX	-0.76	4,129	9,363
2025-06-25	BZQ25-NYMEX	BZU25-NYMEX	-1.19	4,764	17,081
2025-05-26	BZN25-NYMEX	BZQ25-NYMEX	-0.64	1,927	2,451
2025-04-25	BZM25-NYMEX	BZN25-NYMEX	-1.07	6,764	13,975
2025-03-26	BZK25-NYMEX	BZM25-NYMEX	-0.73	5,100	9,688
2025-02-21	BZJ25-NYMEX	BZK25-NYMEX	-0.39	6,323	9,276

BZ Instrument specifications

Exchange: NYMEX
Contract listings: Monthly · F–Z
Minimum tick: 0.01
Point value: 1000.00 USD

Methodology

Per-contract, continuous and bar files are derived datasets. Continuous datasets join contracts with documented rolls and additive adjustments; bars aggregate ticks into OHLCV.

Read the schemas, timeframe rules and HTTP documentation.

BZ Quick start

View Python example

curl -LO https://historicalfuturesdata.com/BZ/bars/10s/cme.bz.bars.10s.2026.parquet

import pandas as pd
df = pd.read_parquet("cme.bz.bars.10s.2026.parquet")

import polars as pl
df = pl.read_parquet("cme.bz.bars.10s.2026.parquet")

Frequently asked questions about BZ historical data

What period does BZ cover?

2014-09-28 → 2026-10-26. This range comes from the current instrument catalog.

Which BZ timeframes are published?

10s, 1m, 2m, 5m, 30m, 1h, 4h, 1D. The bars table lists each available annual download.

How do I get a BZ sample?

Download cme.bz.bars.10s.2026.parquet using the free sample button. No account or API key is needed for this 10-second sample.

Brent Crude Oil (BZ)