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CoStar Group Inc CSGP 29.04 -0.05 -0.17%

CSGP Options Support & Resistance

CSGP (CoStar Group Inc): Explore options-derived support and resistance levels, call walls and put walls. Free delayed preview.

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ATM IV
0.48
Put Call Ratio (OI)
0.628
Put Call Ratio (Vol)
1.3
IV Rank
43.8
IV Percentile
31.2
Max Pain
35

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)

$25 Put Wall $30 Key Put Strike 2 $35 Call Wall $45 Key Call Strike 1 $75 Key Call Strike 3