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Certara CERT 8.58 0.16 1.9%

CERT Options Support & Resistance

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

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ATM IV
0.976
Put Call Ratio (OI)
0.0195
Put Call Ratio (Vol)
0.321
IV Rank
15.1
IV Percentile
33
Max Pain
7.5

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)

$5 Key Put Strike 2 $7 Call Wall $10 Key Put Strike 3