ZC Downloads

Published Parquet files and roll records.

Bars

OHLCV bars by timeframe, with annual downloads.

ZC annual bar files · Select a file size to download
Year	10s	1m	2m	5m	30m	1h	4h	1D
2026	Free7.0 MB	2.3 MB	1.3 MB	668.1 KB	163.1 KB	102.8 KB	47.1 KB	23.2 KB
2025	7.6 MB	2.5 MB	1.5 MB	784.2 KB	192.7 KB	121.5 KB	55.9 KB	27.9 KB
2024	7.7 MB	2.6 MB	1.6 MB	799.6 KB	192.9 KB	122.0 KB	55.9 KB	28.1 KB
2023	8.4 MB	2.9 MB	1.7 MB	830.4 KB	200.7 KB	127.4 KB	57.5 KB	28.2 KB
2022	9.7 MB	3.2 MB	1.8 MB	865.1 KB	209.9 KB	133.6 KB	60.3 KB	28.4 KB
2021	10.4 MB	3.4 MB	1.9 MB	874.1 KB	209.8 KB	132.1 KB	59.2 KB	28.4 KB
2020	7.7 MB	2.7 MB	1.6 MB	798.9 KB	195.3 KB	123.2 KB	56.0 KB	28.1 KB
2019	7.1 MB	2.4 MB	1.5 MB	769.4 KB	192.1 KB	121.5 KB	55.2 KB	28.1 KB
2018	6.7 MB	2.3 MB	1.4 MB	744.0 KB	187.9 KB	119.0 KB	54.5 KB	27.9 KB
2017	7.0 MB	2.4 MB	1.5 MB	744.8 KB	184.9 KB	117.3 KB	54.2 KB	27.9 KB
2016	7.1 MB	2.4 MB	1.5 MB	773.9 KB	192.9 KB	122.1 KB	55.5 KB	28.1 KB
2015	7.0 MB	2.3 MB	1.4 MB	760.0 KB	191.4 KB	121.5 KB	55.8 KB	28.1 KB
2014	6.9 MB	2.2 MB	1.4 MB	749.7 KB	192.3 KB	122.9 KB	56.5 KB	28.1 KB
2013	7.7 MB	2.6 MB	1.6 MB	826.6 KB	202.7 KB	128.6 KB	59.4 KB	28.4 KB
2012	9.3 MB	3.1 MB	1.9 MB	936.4 KB	224.1 KB	140.3 KB	66.2 KB	29.8 KB
2011	5.1 MB	1.7 MB	1.0 MB	522.9 KB	129.3 KB	84.6 KB	41.5 KB	18.7 KB

Continuous futures data (16)

Continuous derived datasets with unadjusted prices and additive roll adjustments.

ZC back-adjusted continuous files by year
Year	Size	File
2026	80.0 MB	download
2025	91.5 MB	download
2024	95.1 MB	download
2023	94.2 MB	download
2022	101.3 MB	download
2021	112.0 MB	download
2020	97.1 MB	download
2019	104.1 MB	download
2018	107.1 MB	download
2017	113.8 MB	download
2016	124.6 MB	download
2015	119.9 MB	download
2014	121.6 MB	download
2013	119.2 MB	download
2012	131.2 MB	download
2011	81.1 MB	download

All contracts (82)

ZC per-contract tick datasets
Contract	Coverage	Rows	Size	File
ZCU27	2025-03 to 2026-10	108,697	1.7 MB	parquet
ZCK27	2024-12 to 2026-10	402,164	6.9 MB	parquet
ZCH27	2024-12 to 2026-10	1,109,723	15.2 MB	parquet
ZCN27	2024-05 to 2026-10	306,778	5.2 MB	parquet
ZCU26	2024-01 to 2026-09	2,013,262	22.4 MB	parquet
ZCK26	2024-01 to 2026-05	3,056,777	29.5 MB	parquet
ZCH26	2023-12 to 2026-03	3,794,406	36.4 MB	parquet
ZCN26	2023-05 to 2026-07	3,254,144	32.0 MB	parquet
ZCU25	2023-05 to 2025-09	1,901,267	21.2 MB	parquet
ZCK25	2023-04 to 2025-05	3,248,085	31.2 MB	parquet
ZCZ26	2022-12 to 2026-10	6,760,645	59.1 MB	parquet
ZCH25	2022-12 to 2025-03	4,844,785	41.8 MB	parquet
ZCN25	2022-02 to 2025-07	3,266,042	32.3 MB	parquet
ZCU24	2022-02 to 2024-09	2,109,267	22.3 MB	parquet
ZCK24	2022-01 to 2024-05	2,932,856	28.8 MB	parquet
ZCZ25	2021-12 to 2025-12	6,154,209	56.2 MB	parquet
ZCH24	2021-12 to 2024-03	4,125,067	39.7 MB	parquet
ZCN24	2021-02 to 2024-07	3,876,565	34.9 MB	parquet
ZCK23	2021-01 to 2023-05	2,988,496	29.7 MB	parquet
ZCZ24	2020-12 to 2024-12	7,256,349	61.6 MB	parquet
ZCU23	2020-12 to 2023-09	2,333,057	26.1 MB	parquet
ZCH23	2020-12 to 2023-03	4,142,151	41.2 MB	parquet
ZCU22	2020-02 to 2022-09	2,104,184	26.3 MB	parquet
ZCK22	2020-01 to 2022-05	3,409,954	36.2 MB	parquet
ZCZ23	2019-12 to 2023-12	7,977,962	71.9 MB	parquet
ZCN23	2019-12 to 2023-07	4,036,675	40.1 MB	parquet
ZCH22	2019-12 to 2022-03	5,013,273	47.1 MB	parquet
ZCU21	2019-04 to 2021-09	2,097,240	26.9 MB	parquet
ZCZ22	2019-01 to 2022-12	8,596,847	79.0 MB	parquet
ZCN22	2019-01 to 2022-07	3,849,647	41.1 MB	parquet
ZCH21	2019-01 to 2021-03	5,042,030	46.2 MB	parquet
ZCK21	2018-12 to 2021-05	3,533,715	34.8 MB	parquet
ZCN21	2018-04 to 2021-07	5,086,487	49.7 MB	parquet
ZCU20	2018-01 to 2020-09	1,699,843	22.3 MB	parquet
ZCH20	2018-01 to 2020-03	3,483,977	40.6 MB	parquet
ZCZ21	2017-12 to 2021-12	9,647,519	85.4 MB	parquet
ZCK20	2017-12 to 2020-05	2,387,210	27.9 MB	parquet
ZCZ20	2017-10 to 2020-12	6,490,883	66.5 MB	parquet
ZCN20	2017-10 to 2020-07	3,004,677	36.1 MB	parquet
ZCK19	2017-01 to 2019-05	2,428,488	27.7 MB	parquet
ZCU19	2016-12 to 2019-09	1,733,920	22.2 MB	parquet
ZCH19	2016-12 to 2019-03	3,471,241	40.1 MB	parquet
ZCN19	2016-02 to 2019-07	3,896,197	41.1 MB	parquet
ZCU18	2016-02 to 2018-09	1,685,980	21.7 MB	parquet
ZCK18	2016-01 to 2018-05	2,712,634	30.0 MB	parquet
ZCZ19	2015-12 to 2019-12	6,481,706	70.5 MB	parquet
ZCH18	2015-12 to 2018-03	3,918,686	43.8 MB	parquet
ZCN18	2015-03 to 2018-07	3,353,881	38.5 MB	parquet
ZCU17	2015-03 to 2017-09	1,917,046	22.6 MB	parquet
ZCZ18	2015-02 to 2018-12	6,149,135	67.0 MB	parquet
ZCK17	2015-02 to 2017-05	2,724,644	31.5 MB	parquet
ZCH17	2014-12 to 2017-03	4,174,597	47.6 MB	parquet
ZCZ17	2014-09 to 2017-12	6,326,033	67.6 MB	parquet
ZCN17	2014-09 to 2017-07	3,449,381	38.6 MB	parquet
ZCZ16	2014-08 to 2016-12	7,218,560	76.1 MB	parquet
ZCU16	2014-08 to 2016-09	1,674,761	21.3 MB	parquet
ZCN16	2014-06 to 2016-07	3,969,590	42.0 MB	parquet
ZCK16	2014-04 to 2016-05	3,218,592	33.9 MB	parquet
ZCH16	2014-02 to 2016-03	4,099,491	45.1 MB	parquet
ZCZ15	2013-11 to 2015-12	7,705,684	81.4 MB	parquet
ZCU15	2013-11 to 2015-09	2,033,738	24.3 MB	parquet
ZCN15	2013-11 to 2015-07	3,206,626	37.0 MB	parquet
ZCK15	2013-11 to 2015-05	3,487,921	37.8 MB	parquet
ZCH15	2013-11 to 2015-03	4,816,913	49.2 MB	parquet
ZCZ14	2013-10 to 2014-12	7,862,115	79.7 MB	parquet
ZCU14	2013-07 to 2014-09	1,905,494	23.1 MB	parquet
ZCN14	2013-05 to 2014-07	3,297,621	36.2 MB	parquet
ZCK14	2013-03 to 2014-05	3,344,563	33.3 MB	parquet
ZCH14	2013-01 to 2014-03	4,386,868	43.2 MB	parquet
ZCZ13	2012-10 to 2013-12	8,941,200	88.6 MB	parquet
ZCU13	2012-07 to 2013-09	2,133,656	25.3 MB	parquet
ZCN13	2012-05 to 2013-07	3,673,057	42.1 MB	parquet
ZCK13	2012-03 to 2013-05	3,287,124	36.6 MB	parquet
ZCH13	2012-01 to 2013-03	4,655,181	49.6 MB	parquet
ZCZ12	2011-10 to 2012-12	11,308,038	96.6 MB	parquet
ZCU12	2011-10 to 2012-09	3,191,590	34.3 MB	parquet
ZCN12	2011-10 to 2012-07	5,816,389	49.5 MB	parquet
ZCK12	2011-10 to 2012-05	4,334,689	36.6 MB	parquet
ZCH12	2011-10 to 2012-03	4,970,728	37.4 MB	parquet
ZCZ11	2011-08 to 2011-12	6,510,138	48.4 MB	parquet
ZCU11	2011-05 to 2011-09	2,295,339	19.7 MB	parquet
ZCN11	2011-05 to 2011-07	1,793,003	14.0 MB	parquet

Latest 20 rolls

Latest 20 of 77 rolls. Download the full JSON ledger.

ZC latest roll records
Session	From	To	Diff	Old volume	New volume
2026-08-17	ZCU26-CBOT	ZCZ26-CBOT	0.2475	67,263	172,743
2026-06-24	ZCN26-CBOT	ZCU26-CBOT	0.085	41,521	48,992
2026-04-21	ZCK26-CBOT	ZCN26-CBOT	0.08	57,264	73,282
2026-02-20	ZCH26-CBOT	ZCK26-CBOT	0.12	93,795	115,702
2025-11-20	ZCZ25-CBOT	ZCH26-CBOT	0.1125	72,080	116,479
2025-08-13	ZCU25-CBOT	ZCZ25-CBOT	0.24	43,421	109,235
2025-06-24	ZCN25-CBOT	ZCU25-CBOT	-0.0325	39,095	61,524
2025-04-16	ZCK25-CBOT	ZCN25-CBOT	0.0725	71,432	73,036
2025-02-20	ZCH25-CBOT	ZCK25-CBOT	0.1425	62,320	73,448
2024-11-21	ZCZ24-CBOT	ZCH25-CBOT	0.095	66,470	86,171
2024-08-14	ZCU24-CBOT	ZCZ24-CBOT	0.2025	51,258	97,531
2024-06-25	ZCN24-CBOT	ZCU24-CBOT	0.0625	51,683	83,942
2024-04-22	ZCK24-CBOT	ZCN24-CBOT	0.1	89,214	113,324
2024-02-22	ZCH24-CBOT	ZCK24-CBOT	0.125	85,254	111,302
2023-11-22	ZCZ23-CBOT	ZCH24-CBOT	0.19	53,449	70,938
2023-08-15	ZCU23-CBOT	ZCZ23-CBOT	0.1175	35,104	93,015
2023-06-21	ZCN23-CBOT	ZCU23-CBOT	-0.465	82,971	85,433
2023-04-18	ZCK23-CBOT	ZCN23-CBOT	-0.3325	65,120	82,986
2023-02-21	ZCH23-CBOT	ZCK23-CBOT	-0.005	46,297	67,242
2022-11-22	ZCZ22-CBOT	ZCH23-CBOT	0.0225	37,367	56,802

ZC Instrument specifications

Exchange: CBOT
Contract listings: Monthly · F–Z
Minimum tick: 0.00125
Point value: 50.00 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.

ZC Quick start

View Python example

curl -LO https://historicalfuturesdata.com/ZC/bars/10s/cme.zc.bars.10s.2026.parquet

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

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

Frequently asked questions about ZC historical data

What period does ZC cover?

2011-05-26 → 2026-10-26. This range comes from the current instrument catalog.

Which ZC timeframes are published?

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

How do I get a ZC sample?

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

Corn (ZC)