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The Greenbrier Companies GBX 41.96 0.14 0.33%

GBX Gamma Exposure (GEX)

GBX (The Greenbrier Companies): See how call and put gamma exposure is distributed across option strikes. Free delayed preview.

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ATM IV
0.297
Put Call Ratio (OI)
0.496
Put Call Ratio (Vol)
0.497
IV Rank
11.9
IV Percentile
12.8
Max Pain
42.5

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}
25.0
207.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-33.0
33.0
View values by strike
GBX · Gamma exposure · 2026-09-21. USD of exposure per 1% underlying move.
StrikeCallsPuts
25.00 249 -89.7
27.50 0 -496
30.00 0 -734
32.50 0 -1.96 K
35.00 394 -2.52 K
37.50 273 -560
40.00 5.91 K -21.4 K
42.50 15.5 K -12 K
45.00 13.3 K -7.89 K
47.50 12.3 K -4.53 K
50.00 3.66 K -454
52.50 23.4 K -131
55.00 2.27 K -120
57.50 1.62 K -81.7
60.00 894 0
65.00 380 0
70.00 537 0
75.00 262 0