$STX ’s drop is interesting: it plunged 1.83% in 15m on 2.57× volume, and closed below the lows of nearly 20 recent 5m candles. But OI actually fell, with 1h notional down 132K, suggesting longs are being flushed out rather than new shorts entering to drive the sell-off. Aggressive trade imbalance was -26.4%, and the buy/sell ratio was 0.58, so selling pressure is indeed heavier. Its anomaly percentile ranks #27 across the entire pool at 86.3%. With this unusual move persisting over several consecutive periods, don’t rush to buy the dip in the short term; wait for volume to taper off before reassessing.