Ambarella (AMBA) calls active as shares rally 4.8%

Ambarella (NASDAQ: AMBA) December weekly call option implied volatility is at 78, December is at 56; compared to its 52-week range of 33 to 110. Call put ratio 21 calls to 1 put with focus on December weekly 81 and 85 calls as shares rally 4.8%.

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