From 16 November 2026, SET trading for DRs, DWs and ETFs referencing foreign securities opens at 08.00 instead of 10.00; closing time stays at 16.30 for day session. Pre-open moves to 07.50. Night session for US and European DRs continues at 19.00-02.45. Relevant only if your business or your owner invests in these products. Otherwise no action is needed beyond noting the new hours.