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Columbia Banking Systems Inc COLB 29.9 -0.03 -0.1%

COLB Options Support & Resistance

COLB (Columbia Banking Systems Inc): Explore options-derived support and resistance levels, call walls and put walls. Free delayed preview.

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ATM IV
0.218
Put Call Ratio (OI)
0.168
Put Call Ratio (Vol)
0.588
IV Rank
1.91
IV Percentile
1.95
Max Pain
30

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)

$25 Key Put Strike 1 $30 Put Wall $35 Call Wall $40 Key Call Strike 3