3 weeks ago
SEBI Examines Closing Auction Trades After Nifty Swings Raise Concerns
SEBI is like a referee for the stock market in India.
It makes sure trading is fair and nobody cheats.
India started a new way of ending the trading day, called the Closing Auction Session.
In this short window, stock prices moved up and down very quickly.
These quick moves made SEBI worried that someone might be cheating.
SEBI asked the stock exchanges to hand over records of trades from the first two days.
Now SEBI is checking those records to see if the price swings were normal.
Some experts worry that fewer trades happen during the auction, which makes cheating easier.
But proving cheating is hard because you need proof that people planned it on purpose.
SEBI is also asking brokers to help more ordinary people take part and to show prices clearly, so the market stays fair.
SEBI is reviewing trades from the Closing Auction Session on Aug 3 and Aug 4 to check for possible market manipulation.
The regulator sought trading details from stock exchanges for the first two sessions under the new closing mechanism; exchanges have provided the data.
On the first CAS day, the Nifty rose nearly 201 points between 3:28 pm and 3:30 pm, from about 24,573 to about 24,774.
On Aug 4, the index gained about 152 points, moving from around 24,463 at 3 pm to nearly 24,615 at 3:15 pm.
Market participants worry lower auction liquidity could enable price manipulation, but proving it may require evidence of intent and coordinated action.
- Who
- SEBI (Securities and Exchange Board of India), India's securities market regulator, along with stock exchanges and market participants.
- What
- SEBI is examining Closing Auction Session trades from Aug 3-4 to determine whether sharp Nifty swings involved market manipulation or were normal market activity.
- Where
- India's stock market, where the Nifty index is traded.
- When
- Aug 3 and Aug 4, the first two sessions after the new closing auction mechanism was introduced.
- Why
- To check whether price movements before and after the auction were normal or resulted from trades intended to influence closing prices, and to ensure orderly market functioning.
Manipulation concerns
Orderly market view
Are the sharp Nifty swings manipulation?
Manipulation concerns
Market participants worry that lower liquidity during the CAS increases the possibility of price manipulation, and a large investor could use index-linked passive fund buying to influence prices in the auction window.
Orderly market view
The moves could simply reflect normal market activity, and proving manipulation requires clear intent and evidence of coordinated action - trades that merely affect index movements are not enough.
How to address auction risks
Manipulation concerns
Given the manipulation risk from low auction liquidity, the regulator should investigate the sharp price moves and scrutinize trading data.
Orderly market view
Regulatory monitoring plus steps to boost retail participation and transparency, such as clearly displaying indicative prices, support orderly market functioning without assuming wrongdoing.
Key facts
- Regulator
- Securities and Exchange Board of India (SEBI)
- Mechanism under review
- Closing Auction Session (CAS)
- Sessions examined
- Aug 3 and Aug 4
- Nifty move on day one
- Roughly 201 points, from about 24,573 to about 24,774
- Nifty move on Aug 4
- Roughly 152 points, from about 24,463 to about 24,615
- Key concern
- Lower liquidity in the auction window may raise the possibility of price manipulation
- Broker instructions
- Encourage retail participation and display indicative prices clearly
- Reported by
- Moneycontrol
Sources
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