Pre-market
⌘K
Sign in Sign up

Dimensional US Sustainability Core 1 DFSU 48.16 0.66 1.39%

DFSU Options Support & Resistance

DFSU (Dimensional US Sustainability Core 1): Explore options-derived support and resistance levels, call walls and put walls. Free delayed preview.

Previous-day view · Mon Sep 21 close. You are previewing the previous trading day. Subscribe to see today live and every other date — plans start at Delta, $39/mo. Sign up Sign in
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)