SGX introduced a new Trade-at-Close (“TAC”) session with effect from 3 June 2019. TAC is a fixed price matching session when orders can only be matched at the prevailing closing price. It applies to SGX-listed securities, including stocks, ETF, Structured Warrants and Daily Leverage Certificates.
The TAC phase will occur at 5.06pm to 5.16pm on a full day trading day and from 12.06pm to 12.16pm on a half day trading day.
Full-Day Trading
| Trading Phase | Start | End |
| Pre-Close | 5:00pm | Anytime between 5:04-5:05pm |
| Non-Cancel Last | Anytime between 5:04-5:05pm | 5:06pm |
| Trade At Close (TAC) | 5:06pm | 5:06pm |
| Close | 5:16pm | - |
Half-Day Trading
| Trading Phase | Start | End |
| Pre-Close | 12:00pm | Anytime between 12:04-12:05pm |
| Non-Cancel Last | Anytime between 12:04-12:05pm | 12:06pm |
| Trade At Close (TAC) | 12:06pm | 12:06pm |
| Close | 12:16pm | - |