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State Street SPDR Portfolio Mortgage SPMB 21.63 0.06 0.28%

SPMB Options Support & Resistance

SPMB (State Street SPDR Portfolio Mortgage): Explore options-derived support and resistance levels, call walls and put walls. Free delayed preview.

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ATM IV
0.239
Put Call Ratio (OI)
0.08
Put Call Ratio (Vol)
0.06
IV Rank
0.85
IV Percentile
50
Max Pain
22

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)

$19 Key Put Strike 2 $21 Key Put Strike 3 $22 Put Wall $23 Call Wall