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State Street SPDR Portfolio Intermediate SPTI 27.59 0.06 0.22%

SPTI Options Support & Resistance

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

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ATM IV
0.056
Put Call Ratio (OI)
19.3
Put Call Ratio (Vol)
5
IV Rank
11.3
IV Percentile
39.8
Max Pain
28

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)

$28 Put Wall $29 Call Wall