Guangzhou Futures Exchange · GFEX SI
Industrial Silicon (SI) trading hours, contract specs and expiry
GFEX industrial silicon futures (SI) trade day sessions only: 09:00–11:30 and 13:30–15:00 Beijing time (with a 10:15–10:30 pause), with no night session.
- Regular hours
- Day 09:00–10:15, 10:30–11:30, 13:30–15:00
- Tick value
- ¥25
- Contract size
- 5 t/lot
Calendar coverage: 2026-01-01 to 2026-12-31. Source review does not confirm every holiday session; check each dated exception's status.
Source review dates & pending holiday sessions
Regular-hours source review: Verified · Source published Not stated · Last verified · Page generated
Calendar source review: Verified · Source published · Last verified · Page generated
Outside coverage is pending confirmation, not a confirmed closure. Individual source-check dates are retained. Review sources →
Verify against official exchange notices before trading; specs, hours and expiries carry separate review dates.
Industrial Silicon (SI) is a commodity futures product listed on Guangzhou Futures Exchange. The day session trades in segments, with a lunch break 11:30–13:30 and a short 10:15–10:30 pause. It has no night session; all trading takes place during the day session. All schedule facts on this page are cross-checked against the exchange's official timetable, with review dates shown below.
Regular sessions
| Session | Exchange time | UTC | London | New York |
|---|---|---|---|---|
| Day | 09:00–15:00 | 01:00–07:00 | winter 01:00–07:00summer 02:00–08:00 | winter 20:00 (prev day)–02:00summer 21:00 (prev day)–03:00 |
Conversions use standard winter/summer offsets; values can differ by an hour during the weeks when regions switch DST on different dates.
Is Industrial Silicon (SI) open right now? When does it open and close?
Industrial Silicon (SI) trades on Guangzhou Futures Exchange Day 09:00–10:15, 10:30–11:30, 13:30–15:00 China Standard Time (UTC+8). Trading days: Monday to Friday. This is the regular weekly pattern; exchange holidays and special sessions take precedence. The status line below works out whether it is open right now from the same reviewed sessions and holiday calendar.
Live open/closed status: see the timeline on the home page.
- Day: 09:00–15:00 China Standard Time (UTC+8) — UTC 01:00–07:00; London winter 01:00–07:00 · summer 02:00–08:00; New York winter 20:00 (prev day)–02:00 · summer 21:00 (prev day)–03:00.
- No further closures in the reviewed calendar through 2026-12-31.
- No quotes or margin figures here; open/closed status is derived only from the exchange’s published sessions and holiday notices — verify exchange notices before trading.
Is Industrial Silicon (SI) open today or tomorrow?
As of 2026-11-11 (UTC date): the status line above resolves the current date in your own time zone. The regular week restarts Monday at 09:00 China Standard Time (UTC+8). Regular weekly sessions are Day 09:00–10:15, 10:30–11:30, 13:30–15:00 China Standard Time (UTC+8); exchange holidays and special sessions take precedence.
What are GFEX industrial silicon (SI) futures trading hours?
- Codes follow si + year + month: si2610 is the October 2026 contract, si2701 is January 2027.
- Each monthly contract stops trading on the 10th trading day of its delivery month — see the expiry section below.
- No further closures in 2026; the 2027 schedule follows the State Council holiday notice, usually published in November or December.
Source: Futures Clock, reviewed 2026-11-09
CONTRACT REFERENCE
Contract specifications
- Contract size
- 5 t/lot
- Minimum tick
- ¥5/t
- Tick value
- ¥25
Expiry rule10th trading day of delivery month
FRONT CONTRACTS
Upcoming expiries
* Estimated from the exchange rule and may move for holidays. Countdowns are measured from 2026-11-11 and refresh to your own date when the page loads. This is an on-site reference; external calendar subscriptions are not offered.
- Fields covered
- Specifications, expiry rule and front-contract dates
- Review state
- Accepted; rule estimates retain *
- Reviewed
- Rights state
- Approved for public reference
Official sourceGFEX · si ↗Methodology →Margin, price limits & fees — CEC
Holiday closures (2026)
- 2026-06-19Dragon Boat Festival closure
- 2026-06-22Dragon Boat Festival reopening — day session only
- 2026-09-25Mid-Autumn Festival closure
- 2026-09-28Mid-Autumn Festival reopening — day session only
- 2026-10-01 · 2026-10-02 · 2026-10-05 · 2026-10-06 · 2026-10-07National Day closure
- 2026-10-08National Day reopening — day session only
Industrial Silicon listed contract months: last trading day & delivery
Full expiry calendar →As of 2026-11-11 the front-month Industrial Silicon contract is SI2611 (last trading day 2026-11-13), followed by SI2612 (2026-12-14); "front month" here means nearest expiry, not the most active contract.
| SI2611 | LTD 2026-11-13 · delivery 2026-11-18 |
|---|---|
| SI2612 | LTD 2026-12-14 · delivery 2026-12-17 |
| SI2701 | LTD 2027-01-15 (est.) · delivery 2027-01-20 |
| SI2702 | LTD 2027-02-12 (est.) · delivery 2027-02-17 |
| SI2703 | LTD 2027-03-12 (est.) · delivery 2027-03-17 |
| SI2704 | LTD 2027-04-14 (est.) · delivery 2027-04-19 |
Dates are computed from the exchange contract text and the reviewed holiday calendar; open a symbol for its decode, month closures and neighbouring months.
Can a foreign investor trade Industrial Silicon (SI), and take delivery of it?
GFEX Industrial silicon (SI): specified route Not on reviewed list; QFI Effective 2025-03-04. Reviewed 2026-09-30; list status does not establish account or delivery eligibility.
- Specified route
- Not on reviewed list
- QFI
- Effective 2025-03-04
Product registry and sources → · All 91 market products →
Citation and eligibility boundaries
Account conditions, permitted purpose and delivery eligibility require separate checks of the applicable exchange, product and participant rules.
Futures Clock · GFEX SI · Industrial silicon Snapshot reviewed: 2026-09-30 Dataset version: 1.9.16 Specified-product route: Not on reviewed list QFI: Effective 2025-03-04 List status does not establish account or delivery eligibility; routes can overlap. Options are excluded. https://futuresclock.com/en/china-atlas/#gfex-si-futures China Futures Association listed-product catalogue (reviewed 30 Sep 2026, including three monthly-average products): https://www.cfachina.org/servicesupport/sspz/ GFEX Announcement [2026] No.36: lithium carbonate opened 3 Jul (report via Chinese Society for Metals): https://www.csm.org.cn/col/col6322/art/2026/art_1a502eb885fb4573a8f1de23e7728da0.html GFEX [2025] No.70 (28 Feb 2025): http://www.gfex.com.cn/gfex/tzts/202502/9bd6010844d545fcb10193fe618dfe61.shtml
FAQ
- What are Industrial Silicon (SI) trading hours?
- Industrial Silicon regular sessions are: Day 09:00–10:15, 10:30–11:30, 13:30–15:00 (exchange local time).
- Does Industrial Silicon trade overnight?
- No — the reviewed regular schedule does not cross midnight: Day 09:00–10:15, 10:30–11:30, 13:30–15:00 (exchange local time).
- Is Industrial Silicon open right now?
- Check the live timeline for the current open/closed status of Industrial Silicon and the countdown to the next open or close.
- Does Industrial Silicon pause at lunchtime?
- Yes — the morning session ends at 11:30 and trading resumes at 13:30, with an additional short pause 10:15–10:30 (exchange local time).
- Does Industrial Silicon trade on weekends?
- No Saturday or Sunday trading.
- When is Industrial Silicon closed for Chinese New Year 2026?
- Spring Festival closures fall on 2026-02-16, 2026-02-17, 2026-02-18, 2026-02-19, 2026-02-20, 2026-02-23 (6 trading days); the first day back normally has a day session only.
Sources & review coverage
Holiday data coverage: 2026-01-01 to 2026-12-31; regular sessions effective 2022-12-22.
The latest check is the newest date among related sources; it does not mean every schedule and holiday field was reviewed that day. Individual source dates follow.
- Contract information — trading hours (industrial silicon, lithium carbonate, polysilicon)Guangzhou Futures Exchange · reviewed 2026-07-21
- 广期所关于2026年部分节假日休市安排的通知Guangzhou Futures Exchange · reviewed 2026-08-07
Read the data sources, freshness and corrections methodology →