New Delhi, May 8 -- Asia's oldest exchange BSE has witnessed a fivefold jump in onboarding foreign investors in a single year amid the growing popularity of its Sensex options, the bourse's MD and chief executive officer S. Ramamurthy said during an investor call on Thursday.

"Our active FPI count grew to 520 from 100 over just the past fiscal year, which is a commendable feat," Ramamurthy said after the bourse declared its thirteenth straight quarter of record earnings. "Quite a few of these funds look into (trading) longer-term option trading strategies, which will deepen the market and increase the Sensex options' premium to notional turnover ratio."

"The weekly contract has enough participation; we see runaway (for the FPIs) in the ...