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1st Source Corp SRCE 85.36 -0.45 -0.52%

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ATM IV
0.236
Put Call Ratio (OI)
0.368
Put Call Ratio (Vol)
0.391
IV Rank
26.5
IV Percentile
11.9
Max Pain
80

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)

$75 Key Put Strike 1 $80 Put Wall $85 Key Put Strike 3 $90 Call Wall