Nifty Weekly Expiry Today: SAIL Under F&O Ban on April 21, 2026

On April 20, 2026, the benchmark Nifty 50 gained 11.30 points (0.05%) to close at 24,364.85. Similarly, the Sensex gainied 26.76 points (0.03%) to settle at 78,520.30. 

Meanwhile, SAIL remain under the F&O ban for the weekly expiry. 

Stock Under F&O Ban on Nifty's Weekly Expiry Day 

Ahead of the Nifty's weekly expiry on April 21, 2026, the National Stock Exchange (NSE) has placed SAIL under the Futures and Options (F&O) trading ban: 

This restriction is enforced when the open interest in the stock crosses 95% of the market-wide position limit (MWPL). While fresh derivative positions are disallowed, the stock continues to be available for trading in the cash market. 

The stock under the F&O ban for April 21, 2026, are: 

SAIL 

SAIL Share Price Performance 

As of April 20, 2026, at 3:30 PM, SAIL Share Price on NSE was closed at ₹172.71 down by 0.36% from the previous closing price.  

Why Is a Stock Under F&O Ban? 

A stock enters the Futures & Options (F&O) ban list on the National Stock Exchange (NSE) when the open interest in its derivative contracts crosses 95% of the Market-Wide Position Limit (MWPL). This measure is designed to control excessive speculation and ensure smooth market functioning. 

During the ban: 

• No new F&O positions can be initiated in that stock.
• Traders may only square off or reduce existing positions.
• Any breach of these rules can lead to penalties and disciplinary action by the exchange. 

This mechanism is especially important during periods of high volatility—such as contract expiry weeks—to prevent sharp price swings and maintain market stability. 

About Nifty Weekly Expiry 

Nifty 50 Futures & Options contracts expire every Tuesday. If Tuesday happens to be a trading holiday, the expiry is shifted to the previous trading day. Settlement for all contracts is based on the closing price on the day of expiry. 

For convenience, some trading platforms display weekly contracts under the “monthly” tab during expiry week. This is purely a technical arrangement and does not change the actual expiry rules.  

Also Read: India Expands Russian Insurers List for Marine Cover at Ports! 

Conclusion 

Market sentiment remains subdued as traders tread carefully ahead of Nifty's weekly expiry. With SAIL under the F&O ban, participants are likely to shift focus to cash market opportunities while awaiting expiry cues. 

Disclaimer: This blog has been written exclusively for educational purposes. The securities mentioned are only examples and not recommendations. This does not constitute a personal recommendation or investment advice. It does not aim to influence any individual or entity to make investment decisions. Recipients should conduct their own research and assessments to form an independent opinion about investment decisions. 

Investments in the securities market are subject to market risks, read all the related documents carefully before investing.