Rule Amendments
| Title of Amendment | Effective Date |
| CDP Settlement Rules | |
| Amendments to Appendix 1 to Regulatory Notice 4.4.2 – RTGS Cut-Off Times for Submission and Execution of Settlement Instructions | 29 January 201929 January 2019 |
| Amendment to Regulatory Notice 7.6 of the CDP Settlement Rules | 23 August 201923 August 2019 |
| Amendment: Amendments to cater for Settlement Schedule for Transactions in GBP | 21 October 201921 October 2019 |
| Futures Trading Rules | |
| Amendments to Appendix A and Appendix B of Regulatory Notice 4.1.11 of the Futures Trading Rules | 18 March 201918 March 2019 |
| Amendments arising from recalibrations of the financial and capital requirements on bank and remote members | 22 April 201922 April 2019 |
| Amendments to Appendix A and Appendix B of Regulatory Notice 4.1.11 of the Futures Trading Rules | 13 May 201913 May 2019 |
| Amendments to Appendix A and Appendix B of Regulatory Notice 4.1.11 of the Futures Trading Rules | 27 May 201927 May 2019 |
| Amendments to the Futures Trading Rules | 3 June 20193 June 2019 |
| Amendments to Appendix A and Appendix B of Regulatory Notice 4.1.11 of the Futures Trading Rules | 29 July 201929 July 2019 |
| Amendments to Appendix A and Appendix B of Regulatory Notice 4.1.11 of the Futures Trading Rules | 16 September 201916 September 2019 |
| Amendments to Appendix A and Appendix B of Regulatory Notice 4.1.11 of the Futures Trading Rules | 21 October 201921 October 2019 |
| Amendments to Appendix A and Appendix B of Regulatory Notice 4.1.11 of the Futures Trading Rules | 18 November 201918 November 2019 |
| Amendments to Appendix A and Appendix B of Regulatory Notice 4.1.11 of the Futures Trading Rules | 2 December 20192 December 2019 |
| SGX-ST | |
| Amendments arising from recalibrations of the financial and capital requirements on bank and remote members | 22 April 201922 April 2019 |
| Amendments to the SGX-ST Rules | 3 June 20193 June 2019 |
| SGX-ST Rules (clean version) | 3 June 20193 June 2019 |
| Amendments to the SGX-ST Practice Notes and Directives amended and re-issued as new SGX-ST Regulatory Notices | 3 June 20193 June 2019 |
| Amendments to existing SGX-ST Practice Notes retained as Practice Notes | 3 June 20193 June 2019 |
| Amendments to Schedule A of the SGX-ST Rules | 3 June 20193 June 2019 |
| Schedule A of the SGX-ST Rules (clean version) | 3 June 20193 June 2019 |
| Amendments to the SGX-ST Rules from the introduction of the Trade at Close functionality in SGX-ST | 3 June 20193 June 2019 |
| SGX-DC Clearing Rules | |
| Amendments arising from recalibrations of the financial and capital requirements on bank and remote members | 22 April 201922 April 2019 |
| Amendments to the SGX-DC Clearing Rules | 3 June 20193 June 2019 |
| Amendments arising from removal of price band checks for off-market trades | 24 June 201924 June 2019 |
| Amendments pursuant to enhancements to default management capabilities of SGX-DC and CDP | 17 July 201917 July 2019 |
| Amendments to Appendix 1 of the Clearing Rules | 29 July 201929 July 2019 |
| Amendments to Appendix 1 of the SGX-DC Clearing Rules | 21 October 201921 October 2019 |
| Amendments to Appendix 1 of the SGX-DC Clearing Rules | 18 November 201918 November 2019 |
| Amendments to Appendix 2 of the Clearing Rules | 17 December 201917 December 2019 |
| CDP Clearing Rules | |
| Amendments arising from recalibrations of the financial and capital requirements on bank and remote members | 22 April 201922 April 2019 |
| Amendments to the CDP Clearing Rules | 3 June 20193 June 2019 |
| Amendments to the CDP Clearing Rules from the introduction of the Trade at Close functionality in SGX-ST | 3 June 20193 June 2019 |
| Amendments pursuant to enhancements to default management capabilities of SGX-DC and CDP | 17 July 201917 July 2019 |
| Amendment: Amendments to cater for Settlement Schedule for Transactions in GBP | 21 October 201921 October 2019 |
| CDP Depository Rules | |
| Amendments to the CDP Depository Rules | 3 June 20193 June 2019 |
| Catalist Rules | |
| Introduction of Trade-at-Close Phase | 3 June 20193 June 2019 |
| Amendments to Voluntary Delisting Regime | 11 July 201911 July 2019 |
| Enhancements to Continuous Disclosures | 7 February 20207 February 2020 |
| Mainboard Rules | |
| Introduction of Trade-at-Close Phase | 3 June 20193 June 2019 |
| Changes to Listings Review Process | 15 July 201915 July 2019 |
| Amendments to Voluntary Delisting Regime | 11 July 201911 July 2019 |
| Enhancements to Continuous Disclosures | 7 February 20207 February 2020 |