Upstart Holdings Inc. (UPST) experienced significant trading activity on September 16, 2024. Investors noted an increase in out-of-the-money puts compared to calls. Shares of UPST were bought on dips at a low of 33, with swing calls at a $35 strike price expiring this Friday trading at $0.82. These calls saw a substantial rise, reaching $2.2 from an initial $0.8+. The stock rallied strongly off the 50-day moving average following an early morning sell-off. The put/call ratio was reported at 0.81, the lowest since September 3. Some investors sold their calls and are holding shares long term.