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Green Brick Partners GRBK 67.56 1.35 2.04%

GRBK Options Support & Resistance

GRBK (Green Brick Partners): Explore options-derived support and resistance levels, call walls and put walls. 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

Option Walls

A gamma wall is a strike where dealer gamma is concentrated.

Price often pauses or reverses there because dealers must hedge aggressively when the underlying crosses it. Walls above spot tend to act as resistance; walls below spot tend to act as support.

See also: Gamma exposure (GEX)

$60 Key Put Strike 2 $65 Put Wall $70 Call Wall $75 Key Call Strike 1 $85 Key Call Strike 3