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Summit Therapeutics Inc SMMT 16.96 -0.89 -4.99%

SMMT Gamma Exposure (GEX)

SMMT (Summit Therapeutics Inc): 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
1.02
Put Call Ratio (OI)
0.621
Put Call Ratio (Vol)
0.799
IV Rank
26.2
IV Percentile
60.6
Max Pain
16.5

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}
4.0
851.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-33.1
33.1
View values by strike
SMMT · Gamma exposure · 2026-09-21. USD of exposure per 1% underlying move.
StrikeCallsPuts
1.00 0.867 0
3.00 240 -3.34
4.00 6.34 0
5.00 485 -1.52 K
6.00 194 -72.6
7.00 33.6 -194
8.00 1.1 K -5.48 K
9.00 69.9 -75.2 K
9.50 0 -23.2
10.00 49.1 K -43.1 K
10.50 0 -150
11.00 1.66 K -10.3 K
11.50 0 -394
12.00 6.17 K -17.3 K
12.50 11.1 -109
13.00 8.19 K -31.1 K
13.50 740 -297
14.00 65 K -26.2 K
14.50 1.51 K -49.7 K
15.00 156 K -65.9 K
15.50 628 -81 K
16.00 30.9 K -15.2 K
16.50 1.89 K -153 K
17.00 32.1 K -18.6 K
17.50 7.17 K -1.07 K
18.00 176 K -34 K
18.50 1.03 K -233
19.00 17.2 K -15.5 K
19.50 402 0
20.00 193 K -67.6 K
20.50 274 0
21.00 4.78 K -582
22.00 73.9 K -119
22.50 57.3 0
23.00 23.9 K -1.27 K
24.00 12 K -41
25.00 134 K -716
26.00 983 -10.1
27.00 2.79 K -110
28.00 1.59 K -1.26 K
29.00 8.98 0
30.00 29.6 K -3.08 K
30.50 0 -16.1
31.00 2 K 0
32.00 1.18 K -53.2
33.00 83.5 -25.4
34.00 209 0
35.00 14.6 K -8.07
37.00 13 K -15.2
40.00 13.4 K -64
42.00 191 4.17e-8
45.00 1.15 K 0
47.00 5.6 K 0
50.00 15.8 K 0