F&O today: expiry, lot sizes and the ban list
Updated 19:43 IST, Fri 23 Oct 2026. Expiries from the exchange contract list; ban list from NSE. Looking for whether the market is open or a holiday? Use MarketHolidays.in, the live NSE, BSE and MCX holiday calendar.
Next expiries
| Index | Next expiry |
|---|---|
| Nifty | Tue 27 Oct |
| Sensex | Thu 29 Oct |
| Bank Nifty | Tue 27 Oct |
| Finnifty | Tue 27 Oct |
| Midcap Nifty | Tue 27 Oct |
| Bankex | Thu 29 Oct |
Full expiry calendar How expiry works
Lot sizes
| Index | Exchange | Lot size | Expiry cycle |
|---|---|---|---|
| NIFTY 50 | NSE | 65 | Weekly & Monthly |
| BANK NIFTY | NSE | 30 | Monthly only |
| FINNIFTY | NSE | 60 | Monthly only |
| MIDCAP NIFTY | NSE | 120 | Monthly only |
| SENSEX | BSE | 20 | Weekly & Monthly |
| BANKEX | BSE | 30 | Monthly only |
Lot sizes, P&L per point and margin
F&O ban list · 26-OCT-2026
Stocks in the F&O ban period (new positions not allowed). 3 stocks.
Ban list with MWPL % What the ban means
Session times (IST)
- Equity and index F&O open at 09:15.
- F&O-eligible cash stocks stop continuous trading at 15:15 and clear in the closing auction; index and stock F&O trade until 15:40. Live closing auction board.
Quick answers
Is today an expiry day?
No index weekly expiry today. Next Nifty expiry: Tue 27 Oct; next Sensex expiry: Thu 29 Oct.
What are the Nifty and Sensex lot sizes?
Nifty 65, Sensex 20, Bank Nifty 30 (monthly only).
Which stocks are in the F&O ban today?
3 stocks in the latest NSE list: AMBUJACEM, KAYNES, SAIL.
RetailInterest is not a SEBI-registered investment adviser. This page is informational only; confirm dates, lot sizes and bans on the NSE/BSE websites before trading.