SI Downloads

Published Parquet files and roll records.

Bars

OHLCV bars by timeframe, with annual downloads.

SI annual bar files · Select a file size to download
Year	10s	1m	2m	5m	30m	1h	4h	1D
2026	Free7.8 MB	2.4 MB	1.4 MB	780.5 KB	224.4 KB	134.9 KB	56.6 KB	23.6 KB
2025	10.6 MB	2.9 MB	1.7 MB	833.6 KB	238.6 KB	149.2 KB	65.7 KB	28.3 KB
2024	9.8 MB	2.7 MB	1.5 MB	757.2 KB	217.1 KB	139.2 KB	63.9 KB	28.3 KB
2023	7.3 MB	2.3 MB	1.3 MB	639.5 KB	196.0 KB	130.4 KB	63.7 KB	28.4 KB
2022	12.9 MB	3.8 MB	2.1 MB	964.9 KB	251.8 KB	156.9 KB	67.2 KB	28.5 KB
2021	10.8 MB	3.2 MB	1.8 MB	830.9 KB	228.3 KB	144.0 KB	64.7 KB	28.1 KB
2020	8.7 MB	2.5 MB	1.4 MB	717.0 KB	221.0 KB	142.6 KB	65.6 KB	28.3 KB
2019	6.0 MB	2.2 MB	1.3 MB	634.5 KB	186.3 KB	121.3 KB	60.2 KB	27.9 KB
2018	5.6 MB	2.0 MB	1.1 MB	571.5 KB	168.1 KB	112.0 KB	58.1 KB	27.7 KB
2017	7.1 MB	2.4 MB	1.4 MB	661.0 KB	184.6 KB	121.1 KB	61.1 KB	27.9 KB
2016	7.4 MB	2.5 MB	1.4 MB	693.9 KB	199.8 KB	130.8 KB	63.7 KB	28.1 KB
2015	9.6 MB	3.5 MB	2.0 MB	956.5 KB	228.8 KB	142.2 KB	64.4 KB	28.1 KB
2014	6.1 MB	2.2 MB	1.3 MB	631.2 KB	176.2 KB	117.6 KB	59.8 KB	28.1 KB
2013	14.8 MB	4.7 MB	2.6 MB	1.2 MB	282.1 KB	172.4 KB	70.3 KB	28.7 KB
2012	15.0 MB	4.6 MB	2.6 MB	1.2 MB	289.7 KB	176.7 KB	71.8 KB	30.2 KB
2011	10.1 MB	2.9 MB	1.7 MB	788.4 KB	192.2 KB	114.1 KB	44.9 KB	18.9 KB

Continuous futures data (16)

Continuous derived datasets with unadjusted prices and additive roll adjustments.

SI back-adjusted continuous files by year
Year	Size	File
2026	52.7 MB	download
2025	69.9 MB	download
2024	71.4 MB	download
2023	49.6 MB	download
2022	81.7 MB	download
2021	80.2 MB	download
2020	78.7 MB	download
2019	63.8 MB	download
2018	62.2 MB	download
2017	70.2 MB	download
2016	58.3 MB	download
2015	68.8 MB	download
2014	46.1 MB	download
2013	94.0 MB	download
2012	86.2 MB	download
2011	59.6 MB	download

All contracts (180)

SI per-contract tick datasets
Contract	Coverage	Rows	Size	File
SIV27	2026-10 to 2026-10	2	2.2 KB	parquet
SIQ27	2026-06 to 2026-10	24	6.3 KB	parquet
SIM27	2026-01 to 2026-10	46	14.5 KB	parquet
SIU27	2025-12 to 2026-10	319	20.1 KB	parquet
SIK27	2025-12 to 2026-10	1,887	58.1 KB	parquet
SIX26	2025-12 to 2026-10	4,120	98.2 KB	parquet
SIG27	2025-10 to 2026-10	268	24.8 KB	parquet
SIF27	2025-10 to 2026-10	1,146	47.2 KB	parquet
SIH27	2025-09 to 2026-10	24,392	464.5 KB	parquet
SIJ27	2025-08 to 2026-10	48	16.4 KB	parquet
SIV26	2025-08 to 2026-10	9,417	192.9 KB	parquet
SIJ26	2025-08 to 2026-04	29,890	542.5 KB	parquet
SIN27	2025-06 to 2026-10	652	36.8 KB	parquet
SIQ26	2025-06 to 2026-08	11,027	220.4 KB	parquet
SIG26	2025-06 to 2026-02	32,350	589.4 KB	parquet
SIM26	2025-04 to 2026-06	19,512	370.6 KB	parquet
SIX25	2025-04 to 2025-11	8,913	174.1 KB	parquet
SIV25	2025-04 to 2025-10	8,706	162.9 KB	parquet
SIU26	2025-03 to 2026-09	1,365,007	18.3 MB	parquet
SIQ25	2025-02 to 2025-08	7,520	143.3 KB	parquet
SIM25	2025-02 to 2025-06	11,035	215.1 KB	parquet
SIJ25	2025-01 to 2025-04	6,142	114.3 KB	parquet
SIG25	2024-11 to 2025-02	3,188	64.7 KB	parquet
SIK26	2024-10 to 2026-05	1,725,369	22.6 MB	parquet
SIH26	2024-08 to 2026-03	6,411,752	69.4 MB	parquet
SIX24	2024-08 to 2024-11	3,182	66.6 KB	parquet
SIV24	2024-08 to 2024-10	6,430	119.8 KB	parquet
SIF26	2024-07 to 2026-01	28,456	530.7 KB	parquet
SIU25	2024-06 to 2025-09	1,939,220	20.6 MB	parquet
SIQ24	2024-05 to 2024-08	6,843	125.5 KB	parquet
SIZ25	2024-04 to 2025-12	4,689,720	48.9 MB	parquet
SIM24	2024-03 to 2024-06	11,515	205.0 KB	parquet
SIK25	2024-02 to 2025-05	2,196,068	24.5 MB	parquet
SIZ26	2024-01 to 2026-10	1,614,141	20.0 MB	parquet
SIF25	2024-01 to 2025-01	11,186	223.9 KB	parquet
SIJ24	2024-01 to 2024-04	4,877	94.5 KB	parquet
SIH25	2023-11 to 2025-03	2,706,853	27.9 MB	parquet
SIG24	2023-11 to 2024-02	2,788	57.1 KB	parquet
SIX23	2023-09 to 2023-11	2,263	46.0 KB	parquet
SIU24	2023-07 to 2024-09	2,395,482	25.8 MB	parquet
SIV23	2023-07 to 2023-10	2,027	44.6 KB	parquet
SIQ23	2023-05 to 2023-08	1,445	35.0 KB	parquet
SIK24	2023-03 to 2024-05	2,774,562	26.6 MB	parquet
SIM23	2023-03 to 2023-06	3,019	62.7 KB	parquet
SIJ23	2023-02 to 2023-04	2,616	53.9 KB	parquet
SIN25	2023-01 to 2025-07	1,920,401	20.0 MB	parquet
SIH24	2022-12 to 2024-03	2,764,381	27.1 MB	parquet
SIG23	2022-11 to 2023-02	1,867	40.9 KB	parquet
SIX22	2022-08 to 2022-11	1,565	35.0 KB	parquet
SIV22	2022-08 to 2022-10	2,874	57.6 KB	parquet
SIN26	2022-07 to 2026-07	1,516,084	19.5 MB	parquet
SIU23	2022-05 to 2023-09	1,885,570	18.7 MB	parquet
SIQ22	2022-05 to 2022-08	2,569	54.0 KB	parquet
SIF24	2022-03 to 2024-01	8,061	174.5 KB	parquet
SIM22	2022-03 to 2022-06	3,064	63.3 KB	parquet
SIJ22	2022-01 to 2022-04	3,704	72.2 KB	parquet
SIG22	2021-11 to 2022-02	1,534	36.1 KB	parquet
SIK23	2021-10 to 2023-05	2,117,562	21.8 MB	parquet
SIF23	2021-09 to 2023-01	8,086	169.1 KB	parquet
SIX21	2021-08 to 2021-11	1,188	28.7 KB	parquet
SIV21	2021-07 to 2021-10	2,572	52.8 KB	parquet
SIH23	2021-06 to 2023-03	2,943,535	30.0 MB	parquet
SIQ21	2021-05 to 2021-08	2,992	59.6 KB	parquet
SIU22	2021-04 to 2022-09	1,826,848	18.4 MB	parquet
SIM21	2021-03 to 2021-06	4,701	88.5 KB	parquet
SIJ21	2021-01 to 2021-04	6,040	112.6 KB	parquet
SIG21	2020-11 to 2021-02	3,029	61.7 KB	parquet
SIX20	2020-08 to 2020-11	1,612	36.9 KB	parquet
SIK22	2020-07 to 2022-05	1,940,657	20.7 MB	parquet
SIH22	2020-07 to 2022-03	2,627,676	26.0 MB	parquet
SIV20	2020-07 to 2020-10	7,252	141.4 KB	parquet
SIQ20	2020-05 to 2020-08	5,361	107.4 KB	parquet
SIZ24	2020-03 to 2024-12	3,639,499	37.8 MB	parquet
SIF22	2020-03 to 2022-01	7,998	172.7 KB	parquet
SIM20	2020-03 to 2020-06	3,158	62.2 KB	parquet
SIU21	2020-01 to 2021-09	1,944,149	19.7 MB	parquet
SIJ20	2020-01 to 2020-04	8,871	156.3 KB	parquet
SIG20	2019-12 to 2020-02	2,163	43.4 KB	parquet
SIN24	2019-09 to 2024-07	2,813,687	28.6 MB	parquet
SIK21	2019-08 to 2021-05	2,395,952	25.8 MB	parquet
SIX19	2019-08 to 2019-11	2,363	48.3 KB	parquet
SIV19	2019-07 to 2019-10	9,373	169.2 KB	parquet
SIZ23	2019-06 to 2023-12	2,899,712	29.6 MB	parquet
SIN23	2019-06 to 2023-07	2,094,892	21.3 MB	parquet
SIH21	2019-06 to 2021-03	4,476,913	46.5 MB	parquet
SIF21	2019-05 to 2021-01	8,858	192.8 KB	parquet
SIQ19	2019-05 to 2019-08	4,069	82.8 KB	parquet
SIZ22	2019-04 to 2022-12	3,163,563	33.1 MB	parquet
SIU20	2019-03 to 2020-09	4,744,489	45.9 MB	parquet
SIM19	2019-03 to 2019-06	2,615	52.8 KB	parquet
SIJ19	2019-01 to 2019-04	2,288	46.3 KB	parquet
SIH20	2018-11 to 2020-03	3,339,665	34.5 MB	parquet
SIG19	2018-11 to 2019-02	826	23.2 KB	parquet
SIX18	2018-08 to 2018-11	1,106	27.6 KB	parquet
SIK20	2018-07 to 2020-05	2,404,129	26.2 MB	parquet
SIV18	2018-07 to 2018-10	2,286	46.9 KB	parquet
SIU19	2018-05 to 2019-09	2,739,640	27.1 MB	parquet
SIQ18	2018-05 to 2018-08	2,526	50.1 KB	parquet
SIF20	2018-03 to 2020-01	5,245	117.0 KB	parquet
SIM18	2018-03 to 2018-06	3,240	61.9 KB	parquet
SIZ21	2018-01 to 2021-12	2,924,756	27.8 MB	parquet
SIK19	2018-01 to 2019-05	1,752,502	17.7 MB	parquet
SIJ18	2018-01 to 2018-04	1,751	38.5 KB	parquet
SIG18	2017-11 to 2018-02	699	21.2 KB	parquet
SIN22	2017-10 to 2022-07	1,768,466	18.7 MB	parquet
SIX17	2017-08 to 2017-11	939	25.1 KB	parquet
SIN19	2017-07 to 2019-07	2,059,000	20.3 MB	parquet
SIH19	2017-07 to 2019-03	2,585,353	25.9 MB	parquet
SIF19	2017-07 to 2019-01	4,062	100.8 KB	parquet
SIV17	2017-07 to 2017-10	2,103	44.6 KB	parquet
SIQ17	2017-06 to 2017-08	2,651	51.1 KB	parquet
SIN21	2017-05 to 2021-07	2,385,186	24.9 MB	parquet
SIM17	2017-04 to 2017-06	4,091	73.6 KB	parquet
SIK18	2017-02 to 2018-05	2,456,964	24.8 MB	parquet
SIJ17	2017-01 to 2017-04	2,224	47.4 KB	parquet
SIU18	2016-11 to 2018-09	2,115,133	22.2 MB	parquet
SIG17	2016-11 to 2017-02	863	23.8 KB	parquet
SIX16	2016-08 to 2016-11	1,019	26.7 KB	parquet
SIH18	2016-07 to 2018-03	3,522,639	35.3 MB	parquet
SIV16	2016-07 to 2016-10	2,105	44.7 KB	parquet
SIN18	2016-06 to 2018-07	2,297,693	23.7 MB	parquet
SIQ16	2016-05 to 2016-08	2,845	56.1 KB	parquet
SIF18	2016-03 to 2018-01	4,900	133.6 KB	parquet
SIM16	2016-03 to 2016-06	3,050	59.8 KB	parquet
SIZ20	2016-02 to 2020-12	4,578,871	47.9 MB	parquet
SIZ18	2016-02 to 2018-12	3,300,059	34.0 MB	parquet
SIU17	2016-02 to 2017-09	2,708,853	26.8 MB	parquet
SIJ16	2016-02 to 2016-04	1,940	39.3 KB	parquet
SIG16	2015-11 to 2016-02	773	22.2 KB	parquet
SIN20	2015-09 to 2020-07	1,979,369	21.1 MB	parquet
SIH17	2015-08 to 2017-03	2,677,879	27.1 MB	parquet
SIX15	2015-08 to 2015-11	407	15.7 KB	parquet
SIK17	2015-07 to 2017-05	1,988,395	20.4 MB	parquet
SIF17	2015-07 to 2017-01	8,965	188.8 KB	parquet
SIV15	2015-07 to 2015-10	697	20.9 KB	parquet
SIQ15	2015-06 to 2015-08	1,137	26.4 KB	parquet
SIM15	2015-04 to 2015-06	1,813	33.3 KB	parquet
SIZ19	2015-03 to 2019-12	4,621,432	45.3 MB	parquet
SIZ17	2015-03 to 2017-12	3,923,918	38.2 MB	parquet
SIU16	2015-02 to 2016-09	2,124,573	23.0 MB	parquet
SIN16	2015-02 to 2016-07	1,784,693	18.5 MB	parquet
SIK16	2015-02 to 2016-05	1,787,567	18.2 MB	parquet
SIJ15	2015-02 to 2015-04	1,101	23.9 KB	parquet
SIG15	2014-11 to 2015-02	840	22.3 KB	parquet
SIN17	2014-10 to 2017-07	2,503,505	25.3 MB	parquet
SIH16	2014-10 to 2016-03	1,980,951	21.7 MB	parquet
SIZ16	2014-09 to 2016-12	3,108,102	32.4 MB	parquet
SIX14	2014-09 to 2014-11	510	14.9 KB	parquet
SIV14	2014-08 to 2014-10	1,232	25.4 KB	parquet
SIQ14	2014-06 to 2014-08	1,804	31.1 KB	parquet
SIF16	2014-04 to 2016-01	4,137	110.1 KB	parquet
SIU15	2014-03 to 2015-09	1,411,125	16.1 MB	parquet
SIM14	2014-03 to 2014-06	2,630	46.1 KB	parquet
SIK15	2014-02 to 2015-05	1,184,573	14.4 MB	parquet
SIJ14	2014-02 to 2014-04	2,443	42.5 KB	parquet
SIN15	2013-12 to 2015-07	1,320,495	15.5 MB	parquet
SIH15	2013-12 to 2015-03	1,901,451	21.9 MB	parquet
SIF15	2013-12 to 2015-01	5,034	107.2 KB	parquet
SIZ15	2013-11 to 2015-12	1,942,298	21.8 MB	parquet
SIZ14	2013-11 to 2014-12	2,121,946	24.2 MB	parquet
SIU14	2013-11 to 2014-09	1,253,921	14.7 MB	parquet
SIN14	2013-11 to 2014-07	1,275,087	14.9 MB	parquet
SIG14	2013-11 to 2014-02	1,482	31.3 KB	parquet
SIF14	2013-11 to 2014-01	2,839	51.3 KB	parquet
SIX13	2013-11 to 2013-11	88	3.8 KB	parquet
SIK14	2013-09 to 2014-05	1,312,253	14.6 MB	parquet
SIH14	2013-07 to 2014-03	1,829,768	20.1 MB	parquet
SIZ13	2013-04 to 2013-12	2,072,412	24.0 MB	parquet
SIU13	2013-01 to 2013-09	1,634,484	18.6 MB	parquet
SIN13	2012-11 to 2013-07	1,494,080	17.2 MB	parquet
SIK13	2012-09 to 2013-05	1,571,006	18.0 MB	parquet
SIH13	2012-07 to 2013-03	1,974,358	22.8 MB	parquet
SIZ12	2012-04 to 2012-12	2,117,571	23.5 MB	parquet
SIU12	2012-01 to 2012-09	1,176,216	13.9 MB	parquet
SIN12	2012-01 to 2012-07	1,422,043	15.4 MB	parquet
SIK12	2012-01 to 2012-05	1,456,157	15.5 MB	parquet
SIH12	2011-11 to 2012-03	1,786,796	19.9 MB	parquet
SIZ11	2011-08 to 2011-12	2,198,477	23.7 MB	parquet
SIU11	2011-05 to 2011-09	1,937,444	19.0 MB	parquet
SIN11	2011-05 to 2011-07	975,900	9.4 MB	parquet

Latest 20 rolls

Latest 20 of 151 rolls. Download the full JSON ledger.

SI latest roll records
Session	From	To	Diff	Old volume	New volume
2026-10-21	SIX26-COMEX	SIZ26-COMEX	0.21	33	29,545
2026-10-06	SIV26-COMEX	SIX26-COMEX	0.205	5	182
2026-09-02	SIU26-COMEX	SIV26-COMEX	0.22	12	249
2026-07-27	SIQ26-COMEX	SIU26-COMEX	0.2	127	25,213
2026-06-30	SIN26-COMEX	SIQ26-COMEX	0.29	299	421
2026-05-27	SIM26-COMEX	SIN26-COMEX	0.27	224	32,659
2026-05-06	SIK26-COMEX	SIM26-COMEX	0.185	123	956
2026-03-30	SIJ26-COMEX	SIK26-COMEX	0.26	67	25,657
2026-03-05	SIH26-COMEX	SIJ26-COMEX	0.305	137	585
2026-01-26	SIG26-COMEX	SIH26-COMEX	0.38	1,119	294,421
2026-01-02	SIF26-COMEX	SIG26-COMEX	0.185	211	807
2025-12-01	SIZ25-COMEX	SIF26-COMEX	0.285	227	1,350
2025-10-27	SIX25-COMEX	SIZ25-COMEX	0.18	105	88,437
2025-09-29	SIV25-COMEX	SIX25-COMEX	0.235	193	506
2025-09-23	SIU25-COMEX	SIV25-COMEX	0.01	128	376
2025-07-28	SIQ25-COMEX	SIU25-COMEX	0.18	396	42,680
2025-07-04	SIN25-COMEX	SIQ25-COMEX	0.135	2	134
2025-05-27	SIM25-COMEX	SIN25-COMEX	0.145	267	41,747
2025-05-07	SIK25-COMEX	SIM25-COMEX	0.105	17	468
2025-02-26	SIH25-COMEX	SIK25-COMEX	0.315	19,051	30,873

SI Instrument specifications

Exchange: COMEX
Contract listings: Monthly · F–Z
Minimum tick: 0.005
Point value: 5000.00 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.

SI Quick start

View Python example

curl -LO https://historicalfuturesdata.com/SI/bars/10s/cme.si.bars.10s.2026.parquet

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

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

Frequently asked questions about SI historical data

What period does SI cover?

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

Which SI timeframes are published?

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

How do I get a SI sample?

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

Silver (SI)