Novavax call volume above normal and directionally bullish

Bullish option flow detected in Novavax with 13,246 calls trading, 1.5x expected, and implied vol increasing almost 5 points to 134.92%. 5/24 weekly 14.5 calls and 5/24 weekly 15 calls are the most active options, with total volume in those strikes near 5,700 contracts. The Put/Call Ratio is 0.57. Earnings are expected on August 6th.