Serena Williams on Friday afternoon lost in the semifinals of the U.S. Open, ending her bid for a calendar-year Grand Slam.
Ticket prices for Saturday's final have tanked accordingly.
Before the match started, the average ticket price for the final was $1,412, according to data from secondary marketplace TiqIQ.
Right after the match, that average dropped to $1,103. And just a few minutes later (as of 3:08 p.m., ET, Friday), it sank even more, to $876. You can imagine that number is quickly going even lower.