New Delhi, June 3 -- Broking firms and their founders who backed Metropolitan Stock Exchange of India (MSEI) are uncertain about the fate of their investments after the market regulator limited the weekly expiry of index options to two days, according to executives at two of the four companies.

However, these investors have no immediate plan to divest their stakes in MSEI, the executives said on the condition of anonymity.

Groww's parent Billionbrains Garage Ventures Pvt; Rainmatter Investments, backed by the Kamath brothers of Zerodha; Share India Securities Ltd; and Securocorp Securities India Pvt Ltd had purchased a combined 19.84% stake in the exchange for Rs.238 crore on 24 December last year.

The investments were made before Sebi...