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Blackrock BLK 1084.39 14.61 1.37%

BLK Options Support & Resistance

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

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ATM IV
0.311
Put Call Ratio (OI)
0.798
Put Call Ratio (Vol)
0.471
IV Rank
63.1
IV Percentile
74.1
Max Pain
1.06 K

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)

$390 Key Put Strike 1 $1000 Key Put Strike 2 $1065 Max Pain $1100 Call Wall $1300 Key Call Strike 1 $1760 Key Call Strike 2