Novavax call volume above normal and directionally bullish

Bullish option flow detected in Novavax with 19,286 calls trading, 4x expected, and implied vol increasing almost 8 points to 130.86%. 3/1 weekly 5.5 calls and Apr-24 5.5 calls are the most active options, with total volume in those strikes near 4,200 contracts. The Put/Call Ratio is 0.20. Earnings are expected on February 28th.