New Delhi, March 28 -- Shares of BSE rallied 18 per cent on Friday, March 28, to Rs.5,519 after the stock market regulator Securities and Exchange Board of India (SEBI) proposed restricting the derivatives expiry schedule, which prompted its rival National Stock Exchange (NSE) to defer its plan to tweak the weekly expiry day. Analysts believe this would help prevent potential market share losses for BSE.

Additionally, the company's board is also slated to meet on March 30 to consider bonus share allotment. Today was the second day of gains for BSE shares as it jumped 5 per cent on Thursday, taking the two-day rally to 23%.

SEBI, on March 27, issued a consultation paper which proposes restricting equity derivative contract expiries on an...