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Kalshi and Polymarket Fantasy Finish Markets: Week 9

Cole Wyman
Cole Wyman
· 6 min read

NFL/PGA/NHL Trader | Building models to market make and price correlation | B.S. Engineering @ UW Madison | Obsessed with being correct

Note: This article is first published on Thursdays with updates included Friday morning to account for the latest injury news, projections, and the results of the TNF game. If reading Friday or later, be sure to view the updated charts in the bottom half of this article.


Week 8 recap, and what the model sees for Week 9

Each week we run our NFL model, a Monte Carlo simulation of 50,000 weeks, to price the weekly fantasy finish markets on Kalshi and Polymarket US. It counts how often each player leads his position or finishes top five. Today we'll walk through how last week's board held up, then preview the Week 9 numbers.

Week 8 recap

Two of the four Week 8 leaders were the model's second choices. Joe Burrow led quarterbacks (8.1%) and Brock Bowers led tight ends (14.2%). Tee Higgins won receiver from 10th on the board.…

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