New Delhi, May 6 -- A Mumbai-based stock exchange was planning a revival, but the market regulator's proposal to limit index derivative expiries to two days a week has cast its future into doubt.

The Metropolitan Stock Exchange of India (MSEI) had raised Rs.238 crore from broking firm Groww's parent Billionbrains Garage Ventures, Zerodha's Rainmatter Investments,Share India Securities, and Securocorp Securities India in December 2024.

The bourse planned to offer a derivative contract for its flagship SX40 index. All National Stock Exchange Ltd's derivatives expire on Thursday, BSE Ltd's on Tuesday, and the MSEI had set Friday expiry for its SX40 contracts.

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