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State Street SPDR Bloomberg 3-12 BILS 99.25 0.02 0.02%

BILS Options Support & Resistance

BILS (State Street SPDR Bloomberg 3-12): Explore options-derived support and resistance levels, call walls and put walls. Free delayed preview.

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ATM IV
0.0197
Put Call Ratio (OI)
28.8
Put Call Ratio (Vol)
2.5
IV Rank
1.18
IV Percentile
8.58
Max Pain
100

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)

$99 Put Wall $100 Call Wall