Merck & Co. Inc. (MRK)
MRK Daily Gamma Exposure
Current Gamma Exposure (GEX) is 520.95K, which is 797% above the 3M average of 58.09K. Over this period, GEX peaked at 520.95K on Aug 14, 2025 and bottomed at -71.41K on Jul 31, 2025, showing a shift between positive and negative gamma regimes. The exposure has been increasing recently, suggesting growing dealer hedging that could dampen volatility. Today's put-call gamma ratio of 0.51 is below the recent average of 0.82, indicating call-heavy positioning. High GEX volatility (±101.96K) suggests frequent repositioning and potential regime changes.
GEX History
| Date | Call GEX | Put GEX | Net GEX | P/C GEX |
|---|---|---|---|---|
| Aug 14, 2025 | 1,058,199.46 | -537,254.45 | 520,945.01 | 0.51 |
| Aug 13, 2025 | 998,941.02 | -590,352.99 | 408,588.03 | 0.59 |
| Aug 12, 2025 | 821,671.36 | -716,434.23 | 105,237.13 | 0.87 |
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