"NSE has yet again demonstrated unmatched performance in all segments of capital market. By virtue of investors' continuous support, its market share has increased to a record level during the first six months of FY17," the exchange said.
NSE has a virtual monopoly in the high volume derivatives segment, while BSE had around 14 per cent share in the cash segment in H1FY17.
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NSE, in a release said, the total traded volume in the cash and derivatives segments stood at Rs 24.2 lakh crore and Rs 417.8 lakh crore, respectively, during the April to September 2016 period.
In the currency derivatives segment (CDS) and interest rate futures (IRF), NSE had a market share of 56 per cent and 67 per cent, respectively. CDS and IRF platforms have registered trade volumes of around Rs 24 lakh crore and Rs 1.32 lakh crore respectively.