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SEBI Blocks Two Entities Over Alleged Sensex Auction Manipulation

SEBI Blocks Two Entities Over Alleged Sensex Auction Manipulation
SEBI flags alleged manipulation in first Closing Auction Session order · thehansindia.com

SEBI is the regulator that watches India's securities markets.

It said two entities may have used large orders to move the Sensex during a special end-of-day auction.

The auction helps determine the closing prices of stocks.

The activity happened on 13 August, when Sensex-related derivatives were expiring.

Copthall placed many large buy orders at prices above the reference prices.

Mansi placed large sell orders at prices below the reference prices and then cancelled them quickly.

SEBI said these actions may have pushed the index in directions that helped the entities' derivatives positions.

The regulator estimated that Copthall gained ₹2.96 crore and Mansi gained ₹71.65 lakh.

SEBI has temporarily blocked both entities from the market while its proceedings continue.

Key facts

Regulator
Securities and Exchange Board of India (SEBI)
Entities named
Copthall Mauritius Investment Ltd and Mansi Share and Stock Broking Pvt Ltd
Closing Auction Session debut
3 August
Alleged trading date
13 August, a weekly Sensex derivatives-expiry day
Sensex movements
The index rose 362.02 points in about two seconds, 132.67 points in about 12 seconds and 405.08 points in 28 seconds
Estimated alleged gains
₹2.96 crore for Copthall and ₹71.65 lakh for Mansi
Regulatory action
Combined ₹3.68 crore disgorgement, market access restrictions and a ban on participating in the equity Closing Auction Session until further orders

Quotes

Sebi order

Regulatory order issued by the Securities and Exchange Board of India

“This also shows that the sell orders for 5 minutes were prima facie meant to suppress the IEP rather than performing a legitimate sell transaction. One economic rationale for such trading could prima facie be that the F&O position of the entity provided an economic incentive for engineering such movements in SENSEX IEP until their sell orders remained in the system.”
livemint.com

Sources

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