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iShares Top 20 U TOPT 35.21 0.73 2.11%

TOPT Gamma Exposure (GEX)

TOPT (iShares Top 20 U): 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
0.149
Put Call Ratio (OI)
0.293
Put Call Ratio (Vol)
0.653
IV Rank
0.1
IV Percentile
0.39
Max Pain
26

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
242.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-15.3
15.3
View values by strike
TOPT · Gamma exposure · 2026-09-21. USD of exposure per 1% underlying move.
StrikeCallsPuts
24.00 0 -29.4
26.00 0 -1.25 K
27.00 0 -148
29.00 90.1 -35.4
30.00 481 -1.28 K
31.00 1.49e-7 -622
32.00 1.17 K -234
33.00 6.8 K -448
34.00 15.7 K -436
35.00 9.03 K -104
36.00 1.63 K 0
37.00 1.33 K 0
38.00 1.16 K 0
40.00 7.07 K 0
43.00 237 0