Apparently there's been a leak.
If accurate, James will be defeated today. I can't understand him making a (relatively) low wager on Final Jeopardy.
https://www.foxnews.com/entertainment/see-it-viral-clip-shows-jeopardy-star-james-holzhauers-defeat
After reading your post AC, I started looking around and saw that leak on other news sources. Bummer.
The show is aired in our area at 1PM Central Time, so will have the answer in a few hours.