Sunday, January 16, 2011

market knowledge and trading rules - SGX

1. trading hour (Mon-Fri excluding public holiday; local time)
- pre-open routine: 0830 - 0900 (pre-open 0830-0859; non-cancel 0859-900)
- morning session: 900 - 1230 (adjust phase 1230-1359; non-cancel 1359-1400)
- afternoon session: 1400 - 1700
- pre-close routine: 1700 - 1706 (pre-close 1700-1705; non-cancel 1705-1706)

- half-day trading on eves of Christmas, New Year and Lunar New Year, ie, pre-open 830-900, normal trading session 900-1230, and pre-close 1230-1236
- when a holiday falls on Sunday, the following Monday will be a public holiday

2. pre-open, adjust phase and pre-close routines break down
- they are aimed at increasing efficiency and transparency of the marketplace, so as to facilitate smooth price movements during the opening and closing sessions of trading

- pre-open period (0830-0859)
i) order input, mod, cancel
ii) no order match yet
- non-cancel period (0859-0900)
i) no order input, mod, cancel
ii) order that can be matched are executed based on a single "opening" price computed by SGX trading system
iii) unmatched orders will flow into regular trading session

- lunch break hours (1230-1359)
i) order input, reduce in qty or cancel
ii) no order matching
- adjust phase non-cancel period (1359-1400)
i) no order input, mod or cancel
ii) orders that can be matched will be executed at a single price computed based an algorithm set by SGX trading system

- pre-close (1700-1705)
i) order input, mod or cancel
ii) no order match
- non-cancel period (1705-1706)
i) no order input, mod or cancel
ii) orders that can be match will be executed at a single "closing" price
iii) unmatched orders will be discarded

3. types of orders
- limit order


4. epic codes for all Singapore listed stocks are alphanumeric; stocks can be quoted in SGD and USD; stocks can only be traded in board lots of 1,000 in Ready market; however odd lot can also be trading in Unit Share Market (Odd Lot Market)

5. ticks

- dependent on the current share price (need to double verify with exchange website)

Share price (S$)Tick size
lower than 1.000.005
1.00 - 9.990.01
higher than 10.000.02


6. tolerance level

- 6 ticks

7. settlement

- T+3
- T+2 (standalone FX transactions)

8. supported FIX message types

- administrative message types (logon, logout, heartbeat, test request etc)
- trading message types (new order single, execution report, order cancel request etc)
- market status and security status types (security definition, trading session status etc)
- other message types (news, business message request)
- for details, check exchange website

9. for more details

www.sgx.com

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