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Shift4 Payments FOUR 39.8 0.82 2.1%

FOUR Options Support & Resistance

FOUR (Shift4 Payments): Explore options-derived support and resistance levels, call walls and put walls. Free delayed preview.

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ATM IV
0.591
Put Call Ratio (OI)
0.455
Put Call Ratio (Vol)
0.658
IV Rank
39.6
IV Percentile
37
Max Pain
45

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)

$30 Key Put Strike 3 $35 Put Wall $40 Key Put Strike 2 $45 Max Pain $50 Call Wall $60 Key Call Strike 3 $80 Key Call Strike 2