The dominance of the National Stock Exchange (NSE) in the equity options (premium value) segment has decreased over the past three financial years, with its market share shrinking by more than 22 per cent, according to data from the exchange's annual reports and Red Herring Prospectus (RHP).

The data showed that NSE's market share in the equity options (premium value) segment stood at 96.9 per cent in FY24. It declined to 87.4 per cent in FY25 and further dropped to 74.71 per cent in FY26.