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Green Brick Partners GRBK 67.56 1.35 2.04%

GRBK Gamma Exposure (GEX)

GRBK (Green Brick Partners): See how call and put gamma exposure is distributed across option strikes. Free delayed preview.

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ATM IV
0.299
Put Call Ratio (OI)
2.05
Put Call Ratio (Vol)
0.693
IV Rank
5.02
IV Percentile
8.56
Max Pain
70

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
-52.4
52.4
View values by strike
GRBK · Gamma exposure · 2026-09-21. USD of exposure per 1% underlying move.
StrikeCallsPuts
35.00 0 -232
40.00 0 -348
45.00 0 -742
50.00 41.5 -1.13 K
55.00 38.2 -3.68 K
60.00 2.64 K -13.6 K
65.00 394 -96.3 K
70.00 15.2 K -15.4 K
75.00 13.2 K -6.28 K
80.00 3.84 K -1.49 K
85.00 3.4 K 0
90.00 2.33 K 0
95.00 1.69 K 0
100.00 252 0
105.00 155 0
110.00 54.5 0
115.00 24.4 0