The Option Chain is the most honest sentiment indicator for Indian indices. Open interest buildup at a strike shows where money commits; put-call ratio across top strikes shows fear versus greed; implied volatility prices uncertainty; max pain shows where writers want settlement.
AI does not replace reading the chain — it combines these into one daily score. The method: pull the chain, compute pcr_strikes, oi_buildup at ATM plus/minus two, atm_iv, and max_pain_distance. Feed them to a classifier trained on next-day direction. Key rule: never trade on one signal. OI buildup bullish but PCR above 1.3 and IV crashing signals pin risk.
Q: What does OI buildup tell us?
A: Rising OI at a strike with price up shows new money committing in that direction.
Q: Why combine PCR, IV and max pain?
A: Each measures a different mood; together they reduce false signals that any single one produces.
Q: Can AI replace reading the chain manually?
A: No — AI quantifies the combination; the trader still judges regime and exogenous events.
Q: Is this a trading tip?
A: No, it is a research method. Validate on your data and apply the risk filter before any position.
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By Shakti Tiwari · Options AI research pillar. NISM XII certified. Educational only, not investment advice; verify before acting.