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Why Nifty Expiry Changed to Tuesday?

Written by: Neha DubeyUpdated on: 4 Sept 2025, 2:22 pm IST
This SEBI mandated Nifty expiry change aims to curb volatility, improve investor protection, and reshape derivatives trading strategies.
Why Nifty Expiry Changed to Tuesday?
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The Securities and Exchange Board of India (SEBI) issued a directive in May 2025 mandating that all equity derivative contracts weekly, monthly, and longer tenors must expire only on Tuesdays or Thursdays. 

Let's take a look at the rationale behind this regulatory move.

Nifty Expiry Change Rationale

  • Reducing volatility: Preventing overlapping expiry days across exchanges that often triggered market turbulence.
  • Curbing speculative frenzy: Eliminating expiry day arbitrage opportunities that fueled excessive speculation.
  • Investor protection: Bringing clarity, consistency, and discipline to the expiry calendar for smoother market functioning.

What’s Changing in Expiry and When?

From September 1, 2025, all new and rolling equity derivatives contracts will follow the new system.

  • NSE expiry moves to Tuesday
  • BSE expiry remains on Thursday

Nifty Expiry: A Structural Shift

This change is not just a tweak in scheduling it’s a recalibration of the derivatives market. Lakhs of option traders will need to rethink how they manage positions, risk, and reward cycles.

While SEBI’s move aims to bring discipline and stability, it also reshuffles long standing trading patterns. Mondays, once quiet, now take centre stage as the new “expiry eve.”

Read More: SEBI Proposes to Reduce Retail Quota to 25% in IPO of Over ₹5,000 Crore.

Conclusion

The NSE’s decision to shift Nifty’s weekly expiry to Tuesday marks the end of a long-standing Thursday tradition. By aligning with SEBI’s framework, the change is expected to curb volatility and safeguard investors, even if it initially disrupts trading playbooks.

For traders, the adjustment means recalibrating strategies. Over time, this structural change could pave the way for more orderly and balanced derivatives markets.

 

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/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.

Published on: Sep 4, 2025, 8:50 AM IST

Neha Dubey

Neha Dubey is a Content Analyst with 3 years of experience in financial journalism, having written for a leading newswire agency and multiple newspapers. At Angel One, she creates daily content on finance and the economy. Neha holds a degree in Economics and a Master’s in Journalism.

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