Nearest-expiry option chain summary for Nifty 50 and Bank Nifty. Put-Call Ratio (PCR) above 1 generally reads as bullish sentiment, below 0.7 as bearish — a rough heuristic, not a rule. Support and resistance strikes are read from where put and call writers have concentrated open interest, distinct from the max pain strike (where option writers as a whole face the least payout at expiry).
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