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Research Frontiers Inc REFR 0.7 0.05 8.21%

REFR Options Support & Resistance

REFR (Research Frontiers Inc): Explore options-derived support and resistance levels, call walls and put walls. Free delayed preview.

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ATM IV
7.9
Put Call Ratio (OI)
0.0225
Put Call Ratio (Vol)
0.172
IV Rank
39.8
IV Percentile
77.3
Max Pain
2.5

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)

$2 Call Wall $5 Key Put Strike 2 $7 Key Put Strike 3