An Option Chain is a comprehensive table displaying all available call and put option contracts for a specific underlying asset across multiple strike prices and expiry dates, along with their premiums, OI, change in OI, volume, implied volatility, and Greeks. Analysing the option chain allows traders to understand where the market's biggest bets are concentrated, identify key support and resistance levels implied by OI buildup, assess the overall implied volatility surface, and monitor real-time changes in market positioning. In India, NSE publishes live option chains for all F&O-eligible stocks and indices. Reading an option chain is a foundational skill for any active derivatives trader it provides a detailed map of where the market's money is positioned relative to the current price.
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