Past version: Effective from 20 Jul 2012 to 12 Nov 2017
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 (S$) |
| 1 | Stocks (including preference shares), Real Estate Investment Trusts (REITS), business trusts, warrants and any other class of securities or Futures Contracts not specified in this Rule 8.3.3 | Below 0.20 | 0.001 |
| 0.20–1.995 | 0.005 | ||
| 2.00 and above | 0.01 | ||
| 2 | Exchange traded funds and debentures | All | $0.01 or $0.001 as determined by SGX-ST |
| 3 | Bonds and loan stocks | 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 and 20 July 201220 July 2012.