Stock market holidays for December: As November comes to a close and the final month of the year begins, investors will want to know on which days trading sessions will be there and on which days stock markets are closed. are likely keeping a close eye on year-end portfolio adjustments, global cues, and corporate earnings.For this year, the only major, away from normal scheduled market holidays in December is Christmas, observed on Thursday, December 25. On this day, Indian stock markets, including the Bombay Stock Exchange (BSE) and National Stock Exchange (NSE), will remain closed across equity, derivatives, and securities lending and borrowing (SLB) segments. Trading in currency and interest rate derivatives segments will continue as usual.Markets are expected to reopen on Friday, December 26, as investors return to monitor global developments and finalize year-end positioning. Apart from weekends, Christmas is the only scheduled market holiday this month, making December relatively quiet compared with other festive months, with regards to stock markets.The last trading session in November, which was November 28 (next two days being the weekend) ended flat. BSE Sensex slipped 13.71 points, or 0.02 per cent, to settle at 85,706.67, after hitting an intra-day high of 85,969.89 and a low of 85,577.82, a swing of 392.07 points. Meanwhile, the NSE Nifty fell 12.60 points, or 0.05 per cent, to 26,202.95, halting its two-day rally.