Combine spot direction with open-interest change to label OI buildup — then confirm with PCR context.
Educational analytics only — not investment advice
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Price up + OI up → long build-up. Price up + OI down → short covering. Price down + OI up → short build-up. Price down + OI down → long unwinding.
Labels are educational shortcuts from daily F&O data, not guarantees of tomorrow’s move.
PCR (put OI ÷ call OI) can rise from hedging as well as from bearish speculation. Always read PCR with price trend and absolute OI change.
Educational content only — not investment advice.
