Cincinnati Open: Winner — live odds on every candidate
The live market makes Alexander Zverev at 32% implied probability (3.13) the favourite in the Cincinnati Open: Winner market, ahead of Taylor Fritz (30%, 3.37). Every candidate is priced on a real exchange order book — the whole field sums to roughly 100%, with no bookmaker's margin.
The full Cincinnati Open: Winner field on a real exchange — order-book prices for every candidate, no vig, and on-chain settlement. Browse the whole board free; fund with crypto only when you want to back a pick.
How this futures market settles
Cincinnati Open: Winner is a single neg-risk field: every candidate is a Yes/No market on that outcome, and the prices across the field sum to roughly one. When the outcome is decided, the winning candidate's shares redeem for one dollar each on-chain via Polymarket's oracle, verifiable on Polygon; a candidate that drops out before settlement voids to zero. OVERDOG charges a flat 1% fee plus Polymarket's own fees, disclosed at bet time — no vig.
Live odds across the Cincinnati Open: Winner field
The Cincinnati Open: Winner field on the exchange includes Alexander Zverev, Taylor Fritz, Felix Auger-Aliassime, Arthur Fils, Brandon Nakashima, Lorenzo Musetti, Flavio Cobolli, Tommy Paul and 4 more. Each contender is a separate Yes/No market you can back or lay at order-book prices — the winning candidate's shares redeem for one dollar each, and every other candidate settles at zero. OVERDOG charges a flat 1% fee plus Polymarket's own fees, disclosed at bet time; there is no vig on top of the exchange price.
How the Cincinnati Open: Winner market resolves
Settlement follows Polymarket's published resolution criteria for this market: “This market will resolve according to the winner of the men's singles title at the 2026 Cincinnati Open, currently scheduled for August 11 to August 23, 2026. If this tournament is postponed after September 6, 2026, 11:59 PM ET, canceled, or a champion has not been declared within this timeframe, this market will resolve to "Other." If the final is not completed and no champion is officially crowned, this…” The result is settled on-chain via Polymarket's oracle and is verifiable on Polygon.