Bullish option flow detected in Altimmune with 20,854 calls trading, 6x expected, and implied vol increasing over 9 points to 143.28%. Mar-24 20 calls and 3/1 weekly 13 calls are the most active options, with total volume in those strikes near 4,900 contracts. The Put/Call Ratio is 0.12. Earnings are expected on March 5th.
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