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iShares S&P GSCI Commodity-Indexed Trust GSG 35.88 -0.43 -1.18%

GSG Gamma Exposure (GEX)

GSG (iShares S&P GSCI Commodity-Indexed Trust): See how call and put gamma exposure is distributed across option strikes. Free delayed preview.

Previous-day view · Mon Sep 21 close. You are previewing the previous trading day. Subscribe to see today live and every other date — plans start at Delta, $39/mo. Sign up Sign in
ATM IV
0.261
Put Call Ratio (OI)
0.639
Put Call Ratio (Vol)
0.172
IV Rank
2.52
IV Percentile
40.1
Max Pain
28

Gamma exposure (2026-09-21)

GEX estimates dealer hedging flow at each strike.

Positive GEX = dealers are long gamma; they buy the dip and sell the rip, dampening volatility. Negative GEX = dealers are short gamma; they sell the dip and buy the rip, amplifying volatility.

DTE \text{DTE}
25.0
207.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-20.8
20.8
View values by strike
GSG · Gamma exposure · 2026-09-21. USD of exposure per 1% underlying move.
StrikeCallsPuts
18.00 1.38 0
22.00 95.2 0
23.00 -1.27e-5 0
24.00 -1.33e-6 -12.1
25.00 27.7 -84.5
26.00 1.07 K 0
27.00 -1.11e-4 -7.46 K
28.00 2.58 K -1.17 K
29.00 66.4 -72
30.00 2.45 K -7.5 K
31.00 1.19 K -683
32.00 13.1 K -19.3 K
33.00 6.01 K -2.46 K
34.00 14.3 K -397
35.00 40.7 K -1.25 K
36.00 1.35 K -251
37.00 1.19 K 0
38.00 4.55 K -1.01 K
39.00 82.7 0
40.00 14.3 K -780
42.00 366 0
45.00 3.99 K 0