VanEck Gold Miners ETF (GDX)
AMEX: GDX
· Real-Time Price · USD
60.18
0.89 (1.50%)
At close: Aug 22, 2025, 3:59 PM
60.26
0.13%
After-hours: Aug 22, 2025, 07:57 PM EDT
GDX Gamma Exposure By Expiry
The total Gamma Exposure (GEX) for GDX across all expirations is 969,339.73 shares per 1% move, with 1,827,538.17 from calls and 858,198.44 from puts. The put-call GEX ratio of 0.47 shows call-heavy positioning, potentially creating volatility as market makers hedge by selling into strength and buying weakness. The highest gamma concentration is at the Sep 19, 25 expiration with 412,594.44 net GEX, which may act as a magnet point for price action. Near-term exposure for Aug 29, 25 suggests potential support from positive gamma hedging flows.
GDX GEX Table
| Expiry Date | Call GEX | Put GEX | Net GEX | P/C GEX |
|---|---|---|---|---|
| Aug 29, 25 | 194,768.03 | -50,228.73 | 144,539.3 | 0.26 |
| Sep 5, 25 | 110,143.81 | -32,727.73 | 77,416.08 | 0.30 |
| Sep 12, 25 | 10,228.48 | -8,576.67 | 1,651.81 | 0.84 |
| Sep 19, 25 | 717,559.9 | -304,965.46 | 412,594.44 | 0.43 |
| Sep 26, 25 | 8,447.41 | -4,415.03 | 4,032.38 | 0.52 |
| Oct 3, 25 | 525.1 | -44.58 | 480.52 | 0.08 |
| Oct 17, 25 | 132,142.97 | -48,257.14 | 83,885.83 | 0.37 |
| Nov 21, 25 | 15,099.31 | -5,675.97 | 9,423.34 | 0.38 |
| Dec 19, 25 | 203,778.83 | -169,980.09 | 33,798.74 | 0.83 |
| Jan 16, 26 | 280,235.3 | -120,833.46 | 159,401.84 | 0.43 |
| Feb 20, 26 | 1,819.33 | -4,237.71 | -2,418.38 | 2.33 |
| Mar 20, 26 | 76,856.03 | -23,506.02 | 53,350.01 | 0.31 |
| May 15, 26 | 1,837.92 | -4,936.74 | -3,098.82 | 2.69 |
| Jun 18, 26 | 35,560.57 | -29,833.57 | 5,727 | 0.84 |
| Jul 17, 26 | 9,349.72 | -5,653.06 | 3,696.66 | 0.60 |
| Dec 18, 26 | 14,147.95 | -14,502.07 | -354.12 | 1.03 |
| Jan 15, 27 | 9,311.25 | -19,271.96 | -9,960.71 | 2.07 |
| Dec 17, 27 | 5,726.26 | -10,552.45 | -4,826.19 | 1.84 |