ZT Downloads

Published Parquet files and roll records.

Bars

OHLCV bars by timeframe, with annual downloads.

ZT annual bar files · Select a file size to download
Year	10s	1m	2m	5m	30m	1h	4h	1D
2026	Free9.4 MB	3.3 MB	1.9 MB	948.7 KB	205.1 KB	115.5 KB	49.0 KB	22.1 KB
2025	10.9 MB	3.7 MB	2.2 MB	1.1 MB	245.0 KB	139.3 KB	59.3 KB	26.8 KB
2024	11.9 MB	4.0 MB	2.3 MB	1.1 MB	252.1 KB	143.5 KB	60.0 KB	26.9 KB
2023	13.2 MB	4.3 MB	2.4 MB	1.2 MB	261.3 KB	149.2 KB	59.8 KB	26.9 KB
2022	13.0 MB	4.3 MB	2.5 MB	1.2 MB	261.0 KB	149.0 KB	59.8 KB	26.8 KB
2021	7.4 MB	2.9 MB	1.7 MB	903.4 KB	221.1 KB	127.6 KB	53.9 KB	26.0 KB
2020	8.4 MB	3.1 MB	1.8 MB	945.8 KB	225.7 KB	128.7 KB	53.9 KB	25.9 KB
2019	8.6 MB	3.3 MB	2.0 MB	1.0 MB	240.6 KB	137.5 KB	58.3 KB	26.5 KB
2018	6.1 MB	2.6 MB	1.6 MB	874.8 KB	220.4 KB	127.0 KB	52.6 KB	25.2 KB
2017	5.1 MB	2.3 MB	1.5 MB	811.1 KB	213.9 KB	123.4 KB	51.3 KB	25.0 KB
2016	5.1 MB	2.4 MB	1.6 MB	866.4 KB	221.6 KB	127.5 KB	53.7 KB	25.4 KB
2015	4.8 MB	2.2 MB	1.5 MB	821.5 KB	217.9 KB	125.8 KB	52.9 KB	25.2 KB
2014	4.4 MB	2.0 MB	1.3 MB	734.2 KB	204.2 KB	121.0 KB	51.1 KB	25.0 KB
2013	4.2 MB	2.0 MB	1.3 MB	703.4 KB	195.6 KB	116.3 KB	49.4 KB	24.7 KB
2012	4.2 MB	2.1 MB	1.3 MB	745.5 KB	200.9 KB	119.3 KB	50.2 KB	25.5 KB
2011	3.0 MB	1.4 MB	935.0 KB	491.6 KB	126.3 KB	74.8 KB	32.0 KB	16.3 KB

Continuous futures data (16)

Continuous derived datasets with unadjusted prices and additive roll adjustments.

ZT back-adjusted continuous files by year
Year	Size	File
2026	240.3 MB	download
2025	269.5 MB	download
2024	262.0 MB	download
2023	247.1 MB	download
2022	191.6 MB	download
2021	97.8 MB	download
2020	152.1 MB	download
2019	169.1 MB	download
2018	123.1 MB	download
2017	106.7 MB	download
2016	111.0 MB	download
2015	109.3 MB	download
2014	82.6 MB	download
2013	70.3 MB	download
2012	64.7 MB	download
2011	40.0 MB	download

All contracts (64)

ZT per-contract tick datasets
Contract	Coverage	Rows	Size	File
ZTH27	2026-07 to 2026-10	454	15.7 KB	parquet
ZTZ26	2026-05 to 2026-10	10,320,718	63.6 MB	parquet
ZTU26	2026-01 to 2026-09	11,106,358	69.9 MB	parquet
ZTM26	2025-11 to 2026-06	13,969,018	85.8 MB	parquet
ZTH26	2025-08 to 2026-03	9,942,214	61.1 MB	parquet
ZTZ25	2025-06 to 2025-12	9,940,983	61.5 MB	parquet
ZTU25	2025-01 to 2025-09	10,452,831	65.5 MB	parquet
ZTM25	2024-10 to 2025-06	15,530,210	99.3 MB	parquet
ZTH25	2024-08 to 2025-03	9,899,993	62.6 MB	parquet
ZTZ24	2024-06 to 2024-12	11,566,018	76.9 MB	parquet
ZTU24	2024-03 to 2024-09	10,346,612	69.9 MB	parquet
ZTM24	2023-11 to 2024-06	9,263,808	63.3 MB	parquet
ZTH24	2023-07 to 2024-03	9,223,089	64.3 MB	parquet
ZTZ23	2023-05 to 2023-12	8,936,393	61.4 MB	parquet
ZTU23	2023-01 to 2023-09	8,776,020	62.3 MB	parquet
ZTM23	2022-12 to 2023-06	10,846,751	78.2 MB	parquet
ZTH23	2022-07 to 2023-03	6,868,601	49.8 MB	parquet
ZTZ22	2022-07 to 2022-12	7,304,237	54.5 MB	parquet
ZTU22	2022-02 to 2022-09	6,974,292	53.3 MB	parquet
ZTM22	2022-01 to 2022-06	7,373,802	55.0 MB	parquet
ZTH22	2021-09 to 2022-03	4,913,392	36.5 MB	parquet
ZTZ21	2021-06 to 2021-12	3,773,592	28.2 MB	parquet
ZTU21	2021-04 to 2021-09	3,393,568	25.2 MB	parquet
ZTM21	2021-01 to 2021-06	3,818,418	27.2 MB	parquet
ZTH21	2020-10 to 2021-03	3,288,802	23.5 MB	parquet
ZTZ20	2020-07 to 2020-12	3,176,275	23.7 MB	parquet
ZTU20	2020-03 to 2020-09	3,477,678	32.9 MB	parquet
ZTM20	2020-01 to 2020-06	8,017,576	70.4 MB	parquet
ZTH20	2019-10 to 2020-03	5,136,110	47.8 MB	parquet
ZTZ19	2019-06 to 2019-12	5,556,726	50.5 MB	parquet
ZTU19	2019-04 to 2019-09	5,299,035	49.8 MB	parquet
ZTM19	2018-12 to 2019-06	4,378,503	41.1 MB	parquet
ZTH19	2018-10 to 2019-03	3,685,313	35.2 MB	parquet
ZTZ18	2018-07 to 2018-12	3,612,579	34.0 MB	parquet
ZTU18	2018-04 to 2018-09	2,888,376	27.3 MB	parquet
ZTM18	2018-01 to 2018-06	3,375,727	32.6 MB	parquet
ZTH18	2017-10 to 2018-03	3,744,339	34.7 MB	parquet
ZTZ17	2017-07 to 2017-12	3,462,343	32.7 MB	parquet
ZTU17	2017-04 to 2017-09	2,892,368	26.3 MB	parquet
ZTM17	2017-01 to 2017-06	2,983,658	27.6 MB	parquet
ZTH17	2016-10 to 2017-03	2,718,745	26.2 MB	parquet
ZTZ16	2016-07 to 2016-12	3,397,107	32.2 MB	parquet
ZTU16	2016-04 to 2016-09	3,057,467	29.3 MB	parquet
ZTM16	2016-01 to 2016-06	3,087,336	29.5 MB	parquet
ZTH16	2015-10 to 2016-03	3,231,417	30.4 MB	parquet
ZTZ15	2015-07 to 2015-12	2,995,519	27.7 MB	parquet
ZTU15	2015-04 to 2015-09	3,328,367	31.8 MB	parquet
ZTM15	2015-01 to 2015-06	3,204,490	30.7 MB	parquet
ZTH15	2014-08 to 2015-03	3,122,206	28.4 MB	parquet
ZTZ14	2014-06 to 2014-12	2,738,804	24.8 MB	parquet
ZTU14	2014-04 to 2014-09	2,130,706	22.0 MB	parquet
ZTM14	2013-12 to 2014-06	2,654,588	22.7 MB	parquet
ZTH14	2013-11 to 2014-03	2,040,452	16.2 MB	parquet
ZTZ13	2013-08 to 2013-12	1,963,801	19.4 MB	parquet
ZTU13	2013-05 to 2013-09	2,054,670	20.9 MB	parquet
ZTM13	2013-02 to 2013-06	1,750,086	17.8 MB	parquet
ZTH13	2012-11 to 2013-03	1,871,319	18.3 MB	parquet
ZTZ12	2012-08 to 2012-12	1,839,180	16.1 MB	parquet
ZTU12	2012-05 to 2012-09	2,197,471	18.0 MB	parquet
ZTM12	2012-02 to 2012-06	2,907,238	20.7 MB	parquet
ZTH12	2011-11 to 2012-03	2,753,594	18.7 MB	parquet
ZTZ11	2011-08 to 2011-12	3,099,095	21.4 MB	parquet
ZTU11	2011-05 to 2011-09	1,705,657	16.2 MB	parquet
ZTM11	2011-05 to 2011-06	83,657	1.1 MB	parquet

Latest 20 rolls

Latest 20 of 62 rolls. Download the full JSON ledger.

ZT latest roll records
Session	From	To	Diff	Old volume	New volume
2026-08-31	ZTU26-CBOT	ZTZ26-CBOT	-0.15234	5,574	1,243,576
2026-06-01	ZTM26-CBOT	ZTU26-CBOT	-0.08984	7,801	806,433
2026-03-02	ZTH26-CBOT	ZTM26-CBOT	0.14844	7,605	1,333,819
2025-12-01	ZTZ25-CBOT	ZTH26-CBOT	0.16406	3,504	645,868
2025-09-01	ZTU25-CBOT	ZTZ25-CBOT	0.27344	1,249	64,157
2025-05-28	ZTM25-CBOT	ZTU25-CBOT	0.28516	260,563	431,023
2025-03-03	ZTH25-CBOT	ZTM25-CBOT	0.26562	2,258	932,949
2024-12-02	ZTZ24-CBOT	ZTH25-CBOT	0.1875	5,274	680,644
2024-08-28	ZTU24-CBOT	ZTZ24-CBOT	0.53125	340,196	493,648
2024-05-29	ZTM24-CBOT	ZTU24-CBOT	0.32812	471,716	549,878
2024-02-27	ZTH24-CBOT	ZTM24-CBOT	0.48047	388,867	401,383
2023-11-28	ZTZ23-CBOT	ZTH24-CBOT	0.44531	534,853	691,723
2023-08-29	ZTU23-CBOT	ZTZ23-CBOT	0.43359	399,383	547,821
2023-05-31	ZTM23-CBOT	ZTU23-CBOT	0.63281	17,065	751,149
2023-02-28	ZTH23-CBOT	ZTM23-CBOT	0.17187	15,881	504,576
2022-11-30	ZTZ22-CBOT	ZTH23-CBOT	0.34766	26,391	677,692
2022-08-31	ZTU22-CBOT	ZTZ22-CBOT	-0.125	17,249	468,597
2022-05-31	ZTM22-CBOT	ZTU22-CBOT	-0.44531	27,604	613,077
2022-03-01	ZTH22-CBOT	ZTM22-CBOT	-0.324215	9,251	955,307
2021-11-30	ZTZ21-CBOT	ZTH22-CBOT	-0.34765	34,916	672,162

ZT Instrument specifications

Exchange: CBOT
Contract listings: Quarterly · H/M/U/Z
Minimum tick: 1/128
Point value: 2000.00 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.

ZT Quick start

View Python example

curl -LO https://historicalfuturesdata.com/ZT/bars/10s/cme.zt.bars.10s.2026.parquet

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

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

Frequently asked questions about ZT historical data

What period does ZT cover?

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

Which ZT timeframes are published?

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

How do I get a ZT sample?

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

2-Year T-Note (ZT)