What are the risks of trading Futures and Options (F&O)? What is F&O (Futures and Options)? What are the trading restrictions during an F&O ban? How do I read an option chain? How do options help in hedging? What is the difference between index and stock derivatives? What are call and put options? What are lot size and contract value in F&O? What are strike price, ITM, ATM and OTM? What happens on expiry day? What is a futures contract? What is implied volatility (IV)? What is OI buildup, long buildup, short buildup and unwinding? What is open interest (OI)? What is physical settlement in stock F&O?