Equity, derivatives, and securities lending will be halted for the entire day, as the NSE and BSE observe Dussehra.
The shutdown follows the Gandhi Jayanti holiday on Oct 2, marking the second market closure this month.
In commodities, MCX will suspend its morning session, while the National Commodity and Derivatives Exchange remains closed for both sessions.
Regular trading hours on normal days run from 9:15 am to 3:30 pm; the absence of trading on Oct 20 will likely reduce volume and widen spreads.
Traders should review official notices for potential Muhurat trading on Diwali and keep an eye on the upcoming holiday calendar, which lists Diwali‑Balipratipada on Nov 10, Guru Nanak Jayanti on Nov 24, and Christmas on Dec 25.
Liquidity is expected to rebound on Oct 21, but the brief pause may influence short‑term positions and intraday strategies.