** Shares of stock exchange operator BSE BSEL.NS climbed 3.4% to close at 2,775.5 rupees, extending winning run to four sessions
** Indian business daily Economic Times reports BSEL plans to launch new monthly index option products in the lucrative derivatives segment
** BSEL did not immediately respond to Reuters' request for comment
** Equity derivatives segment formed 58% of BSEL's revenue in Q2
** Analysts tracking stock rate it "buy" on average - data compiled by LSEG
** Stock up 56% YTD, set for third consecutive year of gains
(Reporting by Nandan Mandayam in Bengaluru)
((Nandan.Mandayam@thomsonreuters.com; Mobile: +91 9591011727;))