Both the NSE and BSE will remain closed on Tuesday, October 20, for Dussehra, with regular trading operations resuming the following morning. Because October 20 is an official trading holiday, it will not be counted as a business day for clearing and settlement of trades executed just prior. Scroll below to know more. Stock Market Holiday on Dussehra 2026: Are NSE and BSE Open on October 20? Check Details.