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iShares Core S&P U IUSG 195.29 4.21 2.2%

IUSG Options Support & Resistance

IUSG (iShares Core S&P U): Explore options-derived support and resistance levels, call walls and put walls. Free delayed preview.

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ATM IV
0.161
Put Call Ratio (OI)
1.32
Put Call Ratio (Vol)
1.14
IV Rank
13
IV Percentile
12.8
Max Pain
181

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)

$155 Key Put Strike 3 $170 Put Wall $175 Key Call Strike 1 $180 Key Call Strike 3 $181 Max Pain $200 Call Wall