Cross-market view
CFFEX CSI 300 Index × CME E-mini S&P 500: Trading Hours Compared
Joint windows, single-leg hours, and 2026 mismatched holidays for CSI 300 Index (CFFEX IF) and E-mini S&P 500 (CME ES), on a typical trading day (UTC).
Data reviewed 2026-09-04 · sources on each product page · Verify against official exchange notices before trading
Joint trading windows (typical day)
CFFEX CSI 300 Index
CME E-mini S&P 500
Both open
Both open (UTC): 01:30–03:30 · 05:00–07:00
CFFEX CSI 300 Index
CME E-mini S&P 500
Both open
Both open (UTC): 01:30–03:30 · 05:00–07:00
Axis is UTC 00:00–24:00 on a Tuesday–Friday day; Monday opens, Friday closes and holiday eves follow each exchange's notice.
Each leg in its own time
| CSI 300 Index (CFFEX IF) | Day 09:30–11:30, 13:00–15:00（China Standard Time (UTC+8)） |
|---|---|
| E-mini S&P 500 (CME ES) | 17:00 (prev day)–16:00（US Central Time） |
2026 mismatched holidays (one-sided days)
- CFFEX CSI 300 Index closed, CME E-mini S&P 500 trading: 19 days · longest stretch 2026-02-16 – 2026-02-23
- CME E-mini S&P 500 closed, CFFEX CSI 300 Index trading: 1 days · longest stretch 2026-12-25
FAQ
- When are CFFEX CSI 300 Index and CME E-mini S&P 500 open at the same time?
- On a typical trading day (UTC) the joint windows are 01:30–03:30, 05:00–07:00 in winter (01:30–03:30, 05:00–07:00 in summer), about 4h in total.
- Does CME E-mini S&P 500 keep trading while CFFEX CSI 300 Index is closed?
- Yes — on 19 trading days in 2026 CFFEX CSI 300 Index is closed while CME E-mini S&P 500 trades, the longest stretch being 2026-02-16 – 2026-02-23. These are one-sided exposure windows for cross-market positions.
- Does daylight saving change the CFFEX CSI 300 Index–CME E-mini S&P 500 overlap?
- Yes — the table shows winter and summer windows separately; values can differ by an hour during the weeks when regions switch DST on different dates.