(SPY) Gamma Exposure by Expiry | GEX Expiration Analysis - Stocknear

AMEX: SPY · Real-Time Price · USD
650.00
1.17 (0.18%)
At close: Sep 09, 2025, 3:20 PM

SPY Gamma Exposure By Expiry

The total Gamma Exposure (GEX) for SPY across all expirations is -260,510.15 shares per 1% move, with 25,213,461.51 from calls and 25,473,971.66 from puts. The put-call GEX ratio of 1.01 indicates heavy put positioning, suggesting market makers may need to buy shares on declines (supportive) and sell on rallies (resistance).

SPY GEX Table

Expiry Date Call GEX Put GEX Net GEX P/C GEX
Sep 10, 25 1,499,166.03 -696,095.4 803,070.63 0.46
Sep 11, 25 610,306.03 -401,051.94 209,254.09 0.66
Sep 12, 25 3,098,301.47 -3,166,472.71 -68,171.24 1.02
Sep 15, 25 386,019.85 -333,941.64 52,078.21 0.87
Sep 16, 25 172,935.88 -163,041.56 9,894.32 0.94
Sep 17, 25 239,930.59 -115,416.28 124,514.31 0.48
Sep 18, 25 449,882.05 -192,253.31 257,628.74 0.43
Sep 19, 25 6,099,004.02 -6,773,933.9 -674,929.88 1.11
Sep 22, 25 0 0 0 n/a
Sep 26, 25 872,751.8 -843,965.04 28,786.76 0.97
Sep 30, 25 1,944,662.12 -2,485,863.94 -541,201.82 1.28
Oct 3, 25 473,895.99 -315,300.08 158,595.91 0.67
Oct 10, 25 93,192.01 -65,822 27,370.01 0.71
Oct 17, 25 2,168,462.62 -3,785,281.46 -1,616,818.84 1.75
Oct 24, 25 14,799.04 -28,757.05 -13,958.01 1.94
Oct 31, 25 958,117.12 -1,127,913.87 -169,796.75 1.18
Nov 21, 25 455,151.96 -680,815.79 -225,663.83 1.50
Nov 28, 25 285,894.08 -243,230.76 42,663.32 0.85
Dec 19, 25 1,461,035.45 -1,144,415.96 316,619.49 0.78
Dec 31, 25 393,723.26 -249,358.42 144,364.84 0.63