New Delhi, Sept. 23 -- The Indian stock market is expected to open on a weak note on Tuesday despite a rally in global markets. The trends in Gift Nifty also signal a muted opening for the equity benchmark indices, Sensex and Nifty 50.

The equity market ended lower on Monday, with the benchmark Nifty 50 closing near 25,200 level.

The Sensex fell 466.26 points, or 0.56%, to close at 82,159.97, while the Nifty 50 settled 124.70 points, or 0.49%, lower at 25,202.35.

On the Nifty options front, Chandan Taparia Head Derivatives & Technicals, Wealth Management, Motilal Oswal Financial Services Ltd said that the maximum Call Open Interest (OI) is at 25,300 then 25,500 strike, while maximum Put OI is at 25,200 then 25,000 strike.

"Call writin...