Cross-market view
CSI 300 Index × 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 2026-07-23 · sources on each product page
Watch both legs on the live timeline →
Joint trading windows (typical day)
| winter | 01:30–03:30 · 05:00–07:00Total 4h · CSI 300 Index only 0h · E-mini S&P 500 only 18h 45m |
|---|---|
| summer | 01:30–03:30 · 05:00–07:00Total 4h · CSI 300 Index only 0h · E-mini S&P 500 only 18h 45m |
Computed for a typical Tuesday–Friday trading day; Monday opens, Friday closes, and holiday eves can differ per exchange notices.
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)–15:15 · 15:30–16:00（US Central Time） |
2026 mismatched holidays (one-sided days)
- CSI 300 Index closed, E-mini S&P 500 trading: 19 days · longest stretch 2026-02-16 – 2026-02-23
- E-mini S&P 500 closed, CSI 300 Index trading: 1 days · longest stretch 2026-12-25
FAQ
- When are CSI 300 Index and 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 E-mini S&P 500 keep trading while CSI 300 Index is closed?
- Yes — on 19 trading days in 2026 CSI 300 Index is closed while 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 CSI 300 Index–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.