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BlackLine BL 28.57 0.43 1.53%

BL Options Support & Resistance

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

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ATM IV
0.539
Put Call Ratio (OI)
0.181
Put Call Ratio (Vol)
0.741
IV Rank
31.8
IV Percentile
26.3
Max Pain
32.5

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)

$22 Key Put Strike 2 $25 Put Wall $27 Call Wall $30 Key Put Strike 3 $32 Max Pain $37 Key Call Strike 3 $47 Key Call Strike 2