Brent crude surged to $111.59 (+3.92%) overnight — a double negative alongside the banking shock. Asia broadly red: Nikkei -2.53%, Hang Seng -1.60%, Nasdaq -1.46% at US close. This isn't a normal gap down. But it's also not a broad market collapse — it's a single heavyweight stock repricing.

The setup: HDFCBANK has ~12.5% weight in Nifty. A 7.5% fall in one stock explains most of the 510-point drop. Once that shock absorbs, 23,400–23,500 is the mean reversion zone. VIX expected to spike to 20+ — long gamma day, buy options, don't sell into the opening. FII short cover trend was 3 days running — watch if they hold or reverse today. That data point tells you everything about the next move.

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