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VOL. I · EST. 11.2025 
SatyaDheesh
सत्याधीश
India's Ground Truth Record
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SEBI to likely stop using closing auction session for derivatives settlement prices

GS3Economy · S&T · Environment · Security· Capital markets & SEBI· Prelims·

Why in news

SEBI is likely to stop using the closing auction session (CAS) to calculate derivatives settlement prices to prevent sharp price swings on expiry days.

Background

SEBI received 20,000 suggestions regarding the August mechanism and September review plans. The regulator plans to switch to using the volume-weighted average price (VWAP) of the last 30 minutes of trading for derivatives settlement.

Facts for Prelims

  • BodySEBI: Securities and Exchange Board of India
  • FactVWAP: Volume-weighted average price of the last 30 minutes of trading will be used for derivatives settlement
  • FactCAS: Closing Auction Session is used for stocks with linked futures and options contracts
  • FactLess liquid cash markets: Closing auction will still be used to determine end-of-day prices

For Mains

Q. Discuss the implications of using volume-weighted average prices versus closing auctions in determining derivatives settlement prices for market stability.

Dimensions to cover in your answer

  • Volatility mitigation: Reducing sharp price swings in derivatives on expiry days caused by auction-based pricing
  • Market alignment: Aligning Indian settlement mechanisms with US and European market standards
  • Liquidity considerations: Differentiating pricing mechanisms between highly liquid and less liquid cash markets

Keywords: market volatility · derivatives settlement · volume-weighted average price · regulatory oversight · price discovery

Read the full news →Report a mistake in this noteSource: The Hindu ↗

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