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iShares Core 1-5 Year USD ISTB 47.49 0.05 0.11%

ISTB Options Support & Resistance

ISTB (iShares Core 1-5 Year USD): 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)
0
Put Call Ratio (Vol)
0
IV Rank
IV Percentile
Max Pain
50

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)

$50 Call Wall