Best Prediction Market Apps for the US Open Tennis Second Round Night Session on September 2nd
The US Open heads into its second round on September 2. Interestingly, a few players have performed well in earlier rounds. And tennis fans are actively speculating who will be this event’s final winner on top prediction market apps.
If you have a player in mind to win this event, you can make your predictions at any of our recommended brands like Kalshi, Polymarket, and Crypto.com. These operators also provide bonuses to make your trading experience fun, provided you’re registering on the platform for the first time. Please read on for more details about these prediction market sites.
Comparing prices for the US Open outright winners
The US Open tennis tournament is a trendy subject in our prediction market news right now. So far, several players have stood out since the tournament began on August 24, 2026. With the second round in view, it’s nice to see which players sports fans are predicting will win on September 13.
If you’re wondering which players are tipped to win the US Open, here are their current event contract prices at our recommended brands.
| Players to win the US Open | Kalshi | Polymarket | Crypto.com |
|---|---|---|---|
| Carlos Alcaraz (Spain) | $0.30 | $0.29 | $0.32 |
| Alexander Zverev (Germany) | $0.24 | $0.22 | $0.25 |
| Arthur Fils (France) | $0.10 | $0.10 | $0.11 |
| Taylor Fritz (USA) | $0.07 | $0.082 | $0.08 |
| Daniil Medvedev (Russia) | $0.05 | $0.043 | $0.06 |
| Felix Auger-Aliassime (Canada) | $0.04 | $0.05 | $0.05 |
The above prices are sourced from Kalshi’s, Polymarket’s, and Crypto.com’s live markets. They will keep adjusting till the end of the tournament. The correct outcome will settle at $1, and incorrect ones will settle at $0.
Top suggested prediction market site
On what platforms can you trade the US Open?
If you’re looking to trade different outcomes in the US Open tennis tournament, you can do so on Kalshi, Polymarket, and Crypto.com. Kalshi is a top federally regulated platform with some of the best prediction markets you can trade. This platform has different markets you can trade. For instance, you can predict the winner of each game, the exact score, set winners, and total games.
Our top prediction markets apps
Based on our Kalshi review, you can lock in potential gains early if an undervalued player wins their second-round match and advances to the next stage of the US Open.
Polymarket is another top prediction market app that uses a decentralized system (the Polygon network) to settle trades. As such, you can expect deep liquidity across all its sports prediction markets, including the 2026 US Open.
According to our full Polymarket review, you must have a crypto wallet to trade different outcomes of this tournament. And if you’re cool with using this option, feel free to deposit at least $10 and claim $20 in trading bonus.
Finally, we have Crypto.com, one of the major cryptocurrency exchanges in the US. It currently offers a prediction market product where you can trade outcomes on sports and other real-world events.
If you’re a new user, you can claim a welcome bonus of up to $250 via a 100% deposit match. You don’t need any Crypto.com promo code to get started. Simply create an account, deposit at least $125, and you’re good to go.
Pick your preferred prediction market app and start trading the US Open tennis second round
The week is packed with tennis action. Sports fans and prediction traders are actively speculating on who will emerge victorious in the second round and advance to the next stage. Interestingly, reputable prediction market platforms like Kalshi, Polymarket, and Crypto.com allow you to trade various outcomes for this event.
Feel free to click the banners on this page to create an account on your preferred platform, claim its available offer, and make your predictions for the US Open Tennis Second Round Night Session.