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Charles River Laboratories International CRL 279.01 0.95 0.34%

CRL Options Support & Resistance

CRL (Charles River Laboratories International): Explore options-derived support and resistance levels, call walls and put walls. Free delayed preview.

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ATM IV
0.48
Put Call Ratio (OI)
0.367
Put Call Ratio (Vol)
0.414
IV Rank
17.6
IV Percentile
47.6
Max Pain
270

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)

$140 Key Put Strike 2 $230 Key Call Strike 1 $240 Key Put Strike 3 $270 Put Wall $290 Call Wall $320 Key Call Strike 2