UPS Stock Eyes Worst Day Ever After Earnings, Amazon Deal

Core Insights - United Parcel Service Inc (UPS) is experiencing a significant decline, down 15.4% to $113.16, following a fourth-quarter earnings beat but a revenue miss and a negative full-year forecast [1] - UPS has entered an agreement with Amazon.com to reduce deliveries, which has surprised several analysts [1] Group 1 - UPS is facing its largest single-day percentage drop in history, falling to more than four-year lows, and has a 30% year-over-year deficit [2] - The stock is currently on the short sell restricted (SSR) list due to increased volatility [2] - In the options market, there has been a notable increase in activity with 52,000 calls and 38,000 puts exchanged, representing ten times UPS' average daily options volume [2] Group 2 - Over the past 10 weeks, call options have been more popular than usual, with a 50-day call/put volume ratio of 2.88, ranking higher than 90% of readings from the past year [3]