Stock Exchange of Thailand Confirms Trading Systems Unaffected by Microsoft 365 Outage

The Stock Exchange of Thailand (SET) officially announced on November 13, 2026, that its core infrastructure remains stable following reports of a global Microsoft 365 service disruption. According to Prachachat Business, SET Deputy Manager Thiraphan Sappakit confirmed that the exchange's trading, clearing, settlement, and listed company disclosure systems are functioning normally. The technical issues linked to the Microsoft outage were reportedly isolated to internal email communication systems. To ensure business continuity, the exchange has implemented alternative communication channels to maintain operations. For residents and investors, this confirmation serves to reassure that financial market activities in Thailand are proceeding without interruption. While the core trading platform is secure, the reliance on external software services highlights the importance of contingency planning in digital infrastructure. At this time, there are no reports of delays in stock transactions or data dissemination. Further updates regarding the full restoration of email services or any secondary impacts on related financial institutions remain to be confirmed by the relevant authorities.