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State Street SPDR Nuveen ICE SHM 47.15 0.02 0.04%

SHM Options Support & Resistance

SHM (State Street SPDR Nuveen ICE): Explore options-derived support and resistance levels, call walls and put walls. Free delayed preview.

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ATM IV
Put Call Ratio (OI)
Put Call Ratio (Vol)
IV Rank
IV Percentile
Max Pain

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)