Singapore trading time is divided into full-day trading and half-day trading. December 24 & 31 are half-day markets every year.
| Period | Time |
| Opening Routine | 08:30 - 08:59 |
| Trading | 09:00 - 12:00 |
| Mid-Day Break | 12:00 - 12:59 |
| Trading | 13:00 - 17:00 |
| Closing Routine | 17:00 - 17:05 |
| Trade at Close | 17:06 - 17:16 |
*The above time zone is UTC+8
| Period | Time |
| Opening Routine | 08:30 - 08:59 |
| Trading | 09:00 - 12:00 |
| Closing Routine | 12:00 - 12:05 |
| Trade at Close | 12:06 - 12:16 |
*The above time zone is UTC+8
The standard board lot size is 100 units. However, certain products such as some Exchange Traded Funds (ETFs) may trade in other board lot sizes.
| Products | Board lot size |
| Stocks | 100 |
| Exchange Traded Funds (ETFs) | 5, 10 or 100 |
There are differences in the minimum quotation units for different categories:
| Price Range (S$) | Minimum Quotation Unit (S$) |
| <0.20 | 0.001 |
| 0.20-0.995 | 0.005 |
| ≥1.00 | 0.01 |
| Price Range (S$) | Minimum Quotation Unit (S$) |
| All | 0.01 or 0.001 (determined by SGX-ST) |