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Dimensional U DFAS 79.41 0.3 0.38%

DFAS Options Support & Resistance

DFAS (Dimensional U): Explore options-derived support and resistance levels, call walls and put walls. Free delayed preview.

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ATM IV
0.178
Put Call Ratio (OI)
1
Put Call Ratio (Vol)
0.0455
IV Rank
4.75
IV Percentile
25.6
Max Pain
80

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)

$80 Put Wall $90 Call Wall