The latest open interest (OI) data for Nifty and Sensex as of April 18, 2025:

Nifty50 Open Interest: Spot Price: 23,165.70 Total Call OI: 21,976,125 Total Put OI: 13,929,427​ This data indicates a higher concentration of call options, suggesting a bullish sentiment among traders. ​ Nifty 50 Sensex Open Interest: Spot Price: 78,017.19 Total Call OI: 2,388,900 Total Put OI: 1,711,280​ This indicates a higher number of call options, reflecting a bullish outlook among traders.