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Bank of Montreal BMO 177.19 2.7 1.55%

BMO Options Support & Resistance

BMO (Bank of Montreal): Explore options-derived support and resistance levels, call walls and put walls. Free delayed preview.

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ATM IV
0.196
Put Call Ratio (OI)
0.957
Put Call Ratio (Vol)
1.12
IV Rank
8.83
IV Percentile
37.4
Max Pain
175

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)

$120 Key Put Strike 3 $130 Key Put Strike 2 $145 Key Put Strike 1 $175 Max Pain $180 Put Wall $185 Call Wall $190 Key Call Strike 3 $195 Key Call Strike 1