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Barron's 400 ETF BFOR 23.35 0.05 0.23%

BFOR Options Support & Resistance

BFOR (Barron's 400 ETF): Explore options-derived support and resistance levels, call walls and put walls. Free delayed preview.

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ATM IV
0.283
Put Call Ratio (OI)
1.14
Put Call Ratio (Vol)
26
IV Rank
16.8
IV Percentile
76.3
Max Pain
23

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)

$16 Key Put Strike 3 $20 Key Put Strike 2 $23 Put Wall $23 Key Call Strike 2 $25 Call Wall $25 Key Call Strike 3