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GRAIL GRAL 80.77 0.82 1.03%

GRAL Gamma Exposure (GEX)

GRAL (GRAIL): See how call and put gamma exposure is distributed across option strikes. Free delayed preview.

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ATM IV
1.18
Put Call Ratio (OI)
1.58
Put Call Ratio (Vol)
6.48
IV Rank
17.6
IV Percentile
98.8
Max Pain
75

Gamma exposure (2026-09-18)

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}
0.0
490.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-84.3
84.3
View values by strike
GRAL · Gamma exposure · 2026-09-18. USD of exposure per 1% underlying move.
StrikeCallsPuts
2.50 0.225 0
7.50 -1.15e-6 0
10.00 73.1 0
12.50 10.7 -38.9
15.00 61.4 -47.5
17.50 50.6 -42.6
20.00 1.39 K -1.6 K
22.50 595 -283
25.00 1.05 K -1.21 K
30.00 4.06 K -2.13 K
35.00 4.45 K -95.8 K
40.00 8.96 K -4.89 K
45.00 2.67 K -5.86 K
50.00 14.3 K -25.3 K
55.00 7.08 K -141 K
60.00 13.3 K -692 K
65.00 31.5 K -36.5 K
70.00 70.2 K -50.5 K
75.00 295 K -214 K
80.00 222 K -292 K
85.00 325 K -14.3 K
90.00 282 K -44.2 K
95.00 39.3 K -5.25 K
100.00 250 K -4.98 K
105.00 10.9 K -865
110.00 55.5 K -1.2 K
115.00 35.6 K -329
120.00 6.42 K -1.85 K
125.00 3.85 K 0
130.00 36.8 K -542
135.00 14.2 K 0
140.00 2.69 K -2.07 K
145.00 1.14 K -186
150.00 18.3 K -2.16 K
155.00 372 -2.28 K
160.00 3.21 K -2.3 K
165.00 6.25 K 0