NSE derivatives turnover fell 23% to a 17-month low after RBI funding rules took full effect in July, while BSE saw an 8.4% volume increase.

RBI's tighter funding norms lead to a decline in index derivatives turnover, with potential market shifts favoring foreign investors.

NSE derivatives turnover fell 23% to a 17-month low after RBI funding rules took full effect in July, while BSE saw an 8.4% volume increase.