Shares of BSE are expected to come under pressure in next session after reports emerged that SEBI has approved Tuesday as the new expiry day for derivative contracts on the National Stock Exchange (NSE). Meanwhile, BSE has been allotted Thursday for its index and stock derivative expiries, according to multiple sources cited by Moneycontrol.
The shift comes after a proposal was discussed in SEBI’s Secondary Market Advisory Committee (SMAC), aimed at standardising expiry schedules and reducing trading volatility. BSE has stated that its existing contracts expiring on or before August 31, 2025, will retain their current expiry day, while contracts expiring post-September 1 will shift to Thursday.
Analysts believe the move could impact BSE’s growing derivative market share, which had recently seen a rise due to the Tuesday expiry advantage. Global brokerage Goldman Sachs said that the shift to Thursday could result in a 3% market share loss in index options for BSE and pose an 8% downside risk to its EPS. The brokerage maintained a ‘Neutral’ rating on BSE with a price target of ₹2,490.
With NSE regaining its Tuesday expiry and BSE moving to Thursday, the competition in the derivatives space is set to intensify, and market reaction is expected to reflect this shift.
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