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Bio-Rad Laboratories BIO 377.33 0.92 0.24%

BIO Options Support & Resistance

BIO (Bio-Rad Laboratories): Explore options-derived support and resistance levels, call walls and put walls. Free delayed preview.

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ATM IV
0.278
Put Call Ratio (OI)
0.383
Put Call Ratio (Vol)
0.375
IV Rank
2.19
IV Percentile
1.2
Max Pain
380

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)

$180 Key Put Strike 1 $280 Key Put Strike 2 $300 Key Call Strike 3 $350 Key Call Strike 2 $370 Key Put Strike 3 $380 Max Pain $390 Call Wall