1. Market Snapshot
Spot: $622.26
Prev Close: $620.34
Total OI: 174.94 K
Total Volume: 2.71 M
P/C OI Ratio: 0.58
Vol/OI Ratio: 15.52
P/C Volume Ratio: 0.74
Call Flow Imbalance: +$499.8 K
Put Flow Imbalance: +$496.9 K
Net Flow Bias: +$2.94 K
SPY has rallied back toward the 624–625 pin zone on balanced call/put flow.
2. Delta Profile
Metric Value Max Delta 618 Max ℓ-DEX Strike 618 Net DEX +$2.21 M ℓ-DEX (Call) +$390.4 M ℓ-DEX (Put) –$145.4 M Lambda DEX +$2.20 B DEX Strength 0.38 DEX Momentum –2.20 % Delta Slope +$7.16 M/strike Delta Curvature –$982.9 M DEX Above/Below Spot +$1.34 M / +$0.87 M
Insight: Dealers have concentrated delta hedges at 618, with strong convex (λ) positioning selling into rallies above 618.
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