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iShares U IAI 187.1 2.3 1.24%

IAI Options Support & Resistance

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

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ATM IV
0.197
Put Call Ratio (OI)
0.229
Put Call Ratio (Vol)
0.253
IV Rank
5.43
IV Percentile
28.7
Max Pain
175

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)

$165 Key Put Strike 3 $173 Key Put Strike 2 $175 Max Pain $181 Put Wall $220 Call Wall $225 Key Call Strike 3 $230 Key Call Strike 1