Thursday, 12 November 2026 IPO data updated 12 minutes ago

SEBI Probes August 3-4 Trades Under New Closing Auction Session Over Possible Market Manipulation

SEBI Probes August 3-4 Trades Under New Closing Auction Session Over Possible Market Manipulation

Market regulator SEBI is closely examining trades executed during the Closing Auction Session (CAS) on August 3 and 4 to check whether the sharp movements seen in the Nifty during the new closing mechanism were part of normal market activity or involved possible attempts to influence closing prices.

According to sources cited by Moneycontrol, SEBI has sought detailed trading data from stock exchanges for the first two days of the new CAS mechanism. The exchanges have shared the requested data, and the regulator is now analysing the transactions.

Key Pointers

  • πŸ” SEBI is examining trades executed during the CAS on August 3 and 4.
  • πŸ“Š The regulator is checking whether the sharp index movements were due to genuine trading or possible manipulation.
  • πŸ“‘ SEBI has obtained detailed trading data from the stock exchanges.
  • πŸ“ˆ On August 3, Nifty moved from around 24,573 at 3:28 pm to 24,774 by 3:30 pm, a jump of roughly 201 points.
  • πŸ“ˆ On August 4, Nifty moved from around 24,463 at 3 pm to 24,615 at 3:15 pm, gaining around 152 points.
  • ⚠️ Market participants have raised concerns about low liquidity during the CAS period.
  • 🧐 SEBI will need to establish intent and coordinated activity before calling trades manipulative.
  • 🏦 The regulator is also asking brokers to improve retail investor awareness and indicative-price displays on trading apps.
  • ⏱️ CAS is a 15-minute auction from 3:15 pm to 3:30 pm designed to determine the official closing price.
This news is for information only and is not investment advice. Please do your own research before making investment decisions.