Help SG Stocks Trading Exchange Rules

Exchange Rules


1.Trading Schedules

 

Full Day Trading

Half Day Trading

Opening Routine



Pre-Open

8:30am to 8:58am / 8:59am*

8:30am to 8:58am /8:59am*

Non-Cancel

8:58am / 8:59am to 9:00am

8:58am / 8:59am to 9:00am

Trading

9:00am to 12:00pm

9:00am to 12:00pm

Mid-Day Break



Pre-Open

12:00pm to 12:58pm / 12:59pm*

N.A

Non-Cancel

12:58pm / 12:59pm to 1:00pm

N.A

Trading

1:00pm to 5:00pm

N.A

Closing Routine



Pre-Close

5:00pm to 5:04pm / 5:05pm*

12:00pm to 12:04pm / 12:05pm*

Non-Cancel

5:04pm / 5:05pm* to 5:06pm

12:04pm / 12:05pm* to 12:06pm

Trade at Close**

5:06pm to 5:16pm

12:06pm to 12:16pm

Close

5:16pm

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.

**Trade at Close (TAC) is a ten minutes trading phase commencing immediately after the closing routine. Orders are matched continuously only at the fixed equilibrium price established from the preceding closing auction. 


2.Board Lot Sizes  

The standard board lot size is 100 units. However, certain products such as some Exchange Traded Funds (ETFs), American Depository Receipts (ADRs), and fixed income instruments may trade in other board lot sizes.

Products

Board Lot Size

Stocks, DLCs, Warrants

100

Exchange Traded Funds (ETFs)

5, 10 or 100

American Depository Receipts (ADRs)

10

Fixed Income Instruments

10, 100 or 1,000


3.Bid Size 

The minimum bid size 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 ($)

Stocks, REITs, Business Trusts, Company Warrants

Below 0.20

0.001

0.20 to 0.995

0.005

1.00 and above

0.01

Exchange Traded Funds (ETFs) and Exchange Traded Notes (ETNs)

All

0.01 or 0.001 as SGX-ST determines

4.Settlement

SG stocks follows T+2 settlement arrangement where clearing and settlement will be completed on the second working day after the trade is transacted.