Guides to the numbers

• What is max pain in options, and how is it calculated?
• How to read an option chain: OI, change in OI, volume and IV
• Put-call ratio (PCR) explained: OI PCR vs volume PCR
• How to read FII and DII positions in NSE participant-wise open interest
• The F&O ban list and MWPL explained
• Delivery percentage: what it shows and what it does not
• Pivot points and CPR: formulas and how intraday traders use them
• Straddle and strangle explained: cost, break-evens and risk
• Option Greeks explained: delta, gamma, theta and vega
• Open interest and price: long buildup, short buildup, short covering and long unwinding
• What is the NSE bhavcopy, and how do you read the F&O file?
• Option expiry day basics: what changes on the last day
• How Tradingraph calculates its numbers, and what its limits are
• Start small and grow smart: a beginner's guide to choosing a first stock in India (2026)