ATP US Open Men's Singles winner odds on Kalshi and Polymarket
24 players with a price. The event runs to about Sep 21, 2027. All Tennis markets
What is compared
Bandwagon has no model for this sport, so these are two venues' prices side by side and nothing is compared with a model. Each venue's price is what it displays for that player to win; a venue is blank where it has no current two-sided price for the player. Names are the venues' own words.
Market prices from Kalshi and Polymarket, shown for analysis. Bandwagon does not take or place wagers. How this works
US Open Men's Singles: 15 best-priced players
24 listed| Player | Kalshi | Polymarket | Gap, points |
|---|---|---|---|
| Jannik Sinner | 53% | – | – |
| Casper Ruud | 50%last trade, read | – | – |
| Rafael Jodar | 50%last trade, read | – | – |
| Carlos Alcaraz | 45% | – | – |
| Felix Auger-Aliassime | 45%last trade, read | – | – |
| Jakub Mensik | 40% | – | – |
| Frances Tiafoe | 33% | – | – |
| Ben Shelton | 24% | – | – |
| Alex de Minaur | 1% | – | – |
| Alexander Bublik | 1%last trade, read | – | – |
| Alexander Zverev | 1% | – | – |
| Andrey Rublev | 1%last trade, read | – | – |
| Arthur Fils | 1% | – | – |
| Brandon Nakashima | 1%last trade, read | – | – |
| Daniil Medvedev | 1% | – | – |
The other 9 players with a price
| Player | Kalshiread Nov 11, 1:51 AM ET | Polymarketread – |
|---|---|---|
| Flavio Cobolli | 1% last | – |
| Francisco Cerundolo | 1% last | – |
| Jiri Lehecka | 1% last | – |
| Lorenzo Musetti | 1% last | – |
| Luciano Darderi | 1% last | – |
| Novak Djokovic | 1% | – |
| Taylor Fritz | 1% | – |
| Tommy Paul | 1% last | – |
| Valentin Vacherot | 1% last | – |
Kalshi prices 24 players; its prices add to 356%. A venue that quotes every player adds to a little over 100%, because long shots are quoted at least a cent; a lower sum means it has no two-sided price for some of them.
"Last trade" is Kalshi's most recent trade, shown where nobody bids. Kalshi's market data carries no trade time, so the time beside it is when Bandwagon read it.
Ad · Bandwagon earns a commission: Trade on Kalshi (opens a new tab). 18+. Trading carries a risk of loss. Check your state. Gambling problem? Call 1-800-GAMBLER.
Kalshi and Polymarket prices for each player to win the ATP US Open Men's Singles, side by side with the time each was read. Market prices from Kalshi and Polymarket, shown for analysis. Bandwagon does not take or place wagers.