Merck & Co. Inc. (MRK)
NYSE: MRK
· Real-Time Price · USD
89.17
-0.34 (-0.38%)
At close: Oct 03, 2025, 3:59 PM
MRK Gamma Exposure By Expiry
The total Gamma Exposure (GEX) for MRK across all expirations is -208,752.43 shares per 1% move, with 540,930.06 from calls and 749,682.49 from puts. The put-call GEX ratio of 1.39 indicates heavy put positioning, suggesting market makers may need to buy shares on declines (supportive) and sell on rallies (resistance).
MRK GEX Table
| Expiry Date | Call GEX | Put GEX | Net GEX | P/C GEX |
|---|---|---|---|---|
| Oct 10, 25 | 25,718.87 | -67,470.85 | -41,751.98 | 2.62 |
| Oct 17, 25 | 98,658.88 | -258,290.53 | -159,631.65 | 2.62 |
| Oct 24, 25 | 34,575.57 | -12,716.26 | 21,859.31 | 0.37 |
| Oct 31, 25 | 5,910.76 | -17,064.13 | -11,153.37 | 2.89 |
| Nov 7, 25 | 1,746.27 | -1,167.51 | 578.76 | 0.67 |
| Nov 14, 25 | 143.97 | 0 | 143.97 | 0.00 |
| Nov 21, 25 | 65,508.06 | -108,485.63 | -42,977.57 | 1.66 |
| Dec 19, 25 | 83,274.81 | -47,648.8 | 35,626.01 | 0.57 |
| Jan 16, 26 | 99,368.11 | -95,036.64 | 4,331.47 | 0.96 |
| Mar 20, 26 | 20,589.68 | -44,046.51 | -23,456.83 | 2.14 |
| Apr 17, 26 | 2,522.04 | -3,533.85 | -1,011.81 | 1.40 |
| Jun 18, 26 | 18,725.68 | -38,354.11 | -19,628.43 | 2.05 |
| Sep 18, 26 | 30,308.38 | -10,458.44 | 19,849.94 | 0.35 |
| Dec 18, 26 | 5,990.01 | -7,272 | -1,281.99 | 1.21 |
| Jan 15, 27 | 28,363.36 | -25,514.82 | 2,848.54 | 0.90 |
| Jun 17, 27 | 12,744.99 | -4,431.29 | 8,313.7 | 0.35 |
| Dec 17, 27 | 5,715.6 | -7,529.57 | -1,813.97 | 1.32 |
| Jan 21, 28 | 1,065.02 | -661.55 | 403.47 | 0.62 |