Prothena Corporation (PRTA)
PRTA Daily Gamma Exposure
Current Gamma Exposure (GEX) is 1.37K, which is 243% above the 3M average of 399.1274193548389. Over this period, GEX peaked at 2.85K on Jun 18, 2025 and bottomed at -5.1K on Jul 2, 2025, showing a shift between positive and negative gamma regimes. The exposure has been decreasing recently, signaling a shift in market maker hedging dynamics. Today's put-call gamma ratio of 0.88 is below the recent average of 0.98, indicating call-heavy positioning. High GEX volatility (±1.66K) suggests frequent repositioning and potential regime changes.
GEX History
| Date | Call GEX | Put GEX | Net GEX | P/C GEX |
|---|---|---|---|---|
| Aug 15, 2025 | 11,742.75 | -10,372.81 | 1,369.94 | 0.88 |
| Aug 14, 2025 | 11,918.56 | -11,027.87 | 890.69 | 0.93 |
| Aug 13, 2025 | 12,108.8 | -10,726.4 | 1,382.4 | 0.89 |
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