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John Marshall Bancorp JMSB 23.13 -0.02 -0.09%

JMSB Options Support & Resistance

JMSB (John Marshall Bancorp): Explore options-derived support and resistance levels, call walls and put walls. Free delayed preview.

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ATM IV
0.333
Put Call Ratio (OI)
0.0175
Put Call Ratio (Vol)
0.0213
IV Rank
2.2
IV Percentile
20.3
Max Pain
20

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)

$20 Put Wall $22 Call Wall $25 Key Put Strike 3