Bullish option flow detected in Upstart Holdings with 11,915 calls trading, 1.6x expected, and implied vol increasing over 1 point to 68.32%. 5/31 weekly 24.5 calls and Jun-24 25 calls are the most active options, with total volume in those strikes near 4,000 contracts. The Put/Call Ratio is 0.13. Earnings are expected on August 6th.