Dietrich vs Mayo Odds · Dietrich vs Mayo (Oct 31)
This market has resolved: Dylan Dietrich. Final prices are below.
| Outcome | Chance | Odds | 24h |
|---|---|---|---|
| Dylan Dietrich ✓ | 99% | -9900 | ▲ 99 |
| Aidan Mayo | 1% | +9900 | ▲ 1 |
Price history
Resolution rules
If Dylan Dietrich wins the Dietrich vs Mayo professional tennis match in the 2026 ATP Challenger Sioux Falls Semifinal after a ball has been played, then the market resolves to Yes.
Source: Kalshi. The venue's rules are final.
FAQ
How are prediction market odds calculated?
Each contract pays $1 if the outcome happens and $0 if it doesn't, so its price is the market's implied probability: a 60¢ contract means roughly a 60% chance. We show the last trade, or the midpoint between the best bid and ask when the order book is tight.
When does this market close?
Kalshi lists Oct 31, 2026 as the end date; this market has closed.
Where can I trade on Dietrich vs Mayo?
This market trades on Kalshi. Availability depends on where you live: Kalshi is a CFTC-regulated US exchange, while Polymarket's international site isn't available to US users (Polymarket US is a separate app). You must be 18 or older.