8.3.1
Except for the unit share market, the minimum order size is 1 board lot. Orders may be in multiples of a board lot.
8.3.3
Unless otherwise determined by SGX-ST, the minimum bid size of the following products shall be as follows:
| S/N | Product | Price Range ($) | Minimum Bid Size ($) |
| 1 | Stocks (excluding preference shares), Real Estate Investment Trusts (REITS), business trusts, company warrants and any other class of securities or futures contracts not specified in this Rule 8.3.3 | Below 0.20 | 0.001 |
| 0.20–0.995 | 0.005 | ||
| 1.00 and above | 0.01 | ||
| 1A | Structured warrants | Below 0.20 | 0.001 |
| 0.20–1.995 | 0.005 | ||
| 2.00 and above | 0.01 | ||
| 2 | Exchange traded funds and exchange traded notes | All | $0.01 or $0.001 as determined by SGX-ST |
| 3 | Debentures, bonds, loan stocks and preference shares | All | $0.001 |
For the avoidance of doubt, the minimum bid sizes above apply to securities and futures contracts denominated in all currencies, except the Hong Kong Dollar ("HKD"), Renminbi ("RMB") or Japanese Yen ("JPY"). For securities and futures contracts traded in HKD, RMB and JPY, the minimum bid sizes shall as far as practicable be aligned to the minimum bid sizes applicable in Hong Kong and Japan respectively.
Amended on 24 December 200724 December 2007, 3 April 20083 April 2008, 4 July 20114 July 2011, 20 July 201220 July 2012, 13 November 201713 November 2017 and 8 October 20188 October 2018.
8.3.4
Each order entered into the Trading System must specify the Position Account code, the Trading Account code and the price and quantity of the security or futures contract.
Amended on 3 April 20083 April 2008, 1 July 20161 July 2016 and 8 October 20188 October 2018.
8.3.5
Each entered order is given a unique order number by the Trading System.
Amended on 3 April 20083 April 2008.