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iShares Top 20 U TOPT 35.21 0.73 2.11%

TOPT Options Support & Resistance

TOPT (iShares Top 20 U): Explore options-derived support and resistance levels, call walls and put walls. Free delayed preview.

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ATM IV
0.149
Put Call Ratio (OI)
0.293
Put Call Ratio (Vol)
0.653
IV Rank
0.1
IV Percentile
0.39
Max Pain
26

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)

$26 Max Pain $30 Put Wall $31 Key Put Strike 3 $33 Key Call Strike 3 $34 Call Wall $40 Key Call Strike 2