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CDW Corporation CDW 146.41 0.22 0.15%

CDW Options Support & Resistance

CDW (CDW Corporation): Explore options-derived support and resistance levels, call walls and put walls. Free delayed preview.

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ATM IV
0.399
Put Call Ratio (OI)
0.901
Put Call Ratio (Vol)
1.7
IV Rank
40.3
IV Percentile
41.3
Max Pain
145

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)

$95 Key Put Strike 2 $115 Put Wall $140 Key Put Strike 3 $145 Call Wall $155 Key Call Strike 3 $160 Key Call Strike 1