Background
You should understand that trading on exchanges and market centers in Singapore (like SGX) or outside of Singapore will usually have their own set of trading conventions.
Singapore Exchange
This information was retrieved October 27th, 2025. For up-to-date information and further details clients should refer to the official SGX website: https://www.sgx.com/trading-0
Board Lot Size
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.
| Product | Board lot size |
| Exchange Traded Funds (ETFs) | 1 |
| Special Purpose Acquisition Companies Warrants (SPAC Warrants) | 1 |
| American Depository Receipts (ADRs) | 10 |
| Fixed Income Instruments | 10, 100 or 1,000 |
Minimum Bid Size
The minimum bid size (MBS) is also known as tick size and represents the smallest price increment that the price of a security can change.
| Product | Price Range ($) | Minimum Bid Size ($) | Forced Order Range |
| Stocks, REITs, business trusts, company warrants | Below 0.20 | 0.001 | +/- 30 bids |
| 0.20 – 0.995 | 0.005 | ||
| 1.00 and above | 0.01 | ||
| Exchange traded funds (ETFs) and exchange traded notes | all | 0.01 or 0.001 as SGX-ST determines | +/- 10% |
| Debentures, bonds, loan stocks & preference shares | all ($1 price convention) | 0.001 | +/- 30 bids |
| all ($100 price convention) | 0.001 | +/- 1,000 bids | |
| Structured warrants and structured certificates | Below 0.20 | 0.001 | +/- 30 bids |
| 0.20 – 1.995 | 0.005 | ||
| 2.00 and above | 0.01 | ||
| Daily leverage certificates | 0.001 – 0.005 | 0.001 | +/- 300% |
| 0.006 – 0.199 | 0.001 | +/- 50% | |
| 0.20 – 1.995 | 0.005 | +/- 50% | |
| 2.00 and above | 0.01 | +/- 50% | |
| Securities denominated in Hong Kong Dollar | Below HK$ 0.25 | 0.001 | |
| HK$ 0.25 – 0.495 | 0.005 | ||
| HK$ 0.50 – 9.99 | 0.01 | ||
| HK$ 10.00 – 19.98 | 0.02 | ||
| HK$ 20.00 – 99.95 | 0.05 | ||
| HK$ 100 – 199.90 | 0.1 | ||
| HK$ 200 – 499.80 | 0.2 | ||
| HK$ 500 and above | 0.5 | ||
| Securities denominated in Japanese Yen | Below ¥2,000 | 1 | |
| ¥2,000 – 2,995 | 5 | ||
| ¥3,000 – 29,990 | 10 | ||
| ¥30,000 – 49,950 | 50 | ||
| ¥50,000 – 99,900 | 100 | ||
| ¥100,000 and above | 1000 |
Trading Schedule
Full-day Trading
| Segment | Timing |
| Opening Routine | Pre-Open: 08:30am – 08:58 / 08:59am* Non-Cancel: 08:58 / 08:59am* – 09:00am |
| Trading | Open: 09:00am – 12:00pm |
| Mid-Day Break | Pre-Open: 12:00pm - 12:58 / 12:59pm* Non-Cancel: 12:58 / 12:59pm* – 01:00pm |
| Trading | Open: 01:00pm – 05:00pm |
| Closing Routine | Pre-Open: 05:00pm – 05:04 / 05:05pm* Non-Cancel: 05:04 / 05:05pm* – 05:06pm |
| Trade at Close | 05:06pm – 05:16pm |
| Close | 05:16pm |
* The Pre-Open/Close phase ends randomly at any time within this one minute window and the Non-Cancel phase begins immediately after.
Half-day Trading
| Segment | Timing |
| Opening Routine | Pre-Open: 08:30am – 08:58 / 08:59am* Non-Cancel: 08:58 / 08:59am* – 09:00am |
| Trading | Open: 09:00am – 12:00pm |
| Closing Routine | Pre-Open: 12:00pm - 12:04 / 12:05pm* Non-Cancel: 12:04 / 12:05pm* – 12:06pm |
| Trade at Close | 12:06pm – 12:16pm |
| Close | 12:16pm |
* The Pre-Open/Close phase ends randomly at any time within this one minute window and the Non-Cancel phase begins immediately after.
**Clients should refer to the official SGX website for Singapore Public Holidays (which follows the Ministry of Manpower’s Singapore holiday calendar), and the relevant trading schedules for those days.