Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
68% | 32% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
68% | 32% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| National Bank Open: Aleksandar Vukic vs Daniel Altmaier Set 1 O/U 8.5 | 68% |
| National Bank Open: Aleksandar Vukic vs Daniel Altmaier | 61% |
| National Bank Open: Aleksandar Vukic vs Daniel Altmaier Match O/U 21.5 | 60% |
| National Bank Open: Aleksandar Vukic vs Daniel Altmaier Set 1 Winner | 57% |
| National Bank Open: Aleksandar Vukic vs Daniel Altmaier Set 2 Winner | 56% |
| National Bank Open: Aleksandar Vukic vs Daniel Altmaier Match O/U 22.5 | 51% |
| Completed Match | 50% |
| National Bank Open: Aleksandar Vukic vs Daniel Altmaier Set 2 O/U 8.5 | 50% |
| National Bank Open: Aleksandar Vukic vs Daniel Altmaier Set 2 O/U 9.5 | 50% |
| National Bank Open: Aleksandar Vukic vs Daniel Altmaier Set 2 O/U 10.5 | 50% |
| National Bank Open: Aleksandar Vukic vs Daniel Altmaier Match O/U 23.5 | 44% |
| National Bank Open: Aleksandar Vukic vs Daniel Altmaier Total Sets: O/U 2.5 | 40% |
| National Bank Open: Aleksandar Vukic vs Daniel Altmaier Set 1 O/U 10.5 | 40% |
| National Bank Open: Aleksandar Vukic vs Daniel Altmaier Set Handicap +/-1.5 | 39% |
| National Bank Open: Aleksandar Vukic vs Daniel Altmaier Set 1 O/U 9.5 | 30% |
| National Bank Open: Aleksandar Vukic vs Daniel Altmaier Set Handicap +/-1.5 | 23% |
Market context
Aleksandar Vukic’s meeting with Daniel Altmaier at the National Bank Open arrives with the market leaning to Vukic, but not by a wide margin, which fits a matchup that has already swung both ways. The pair have met three times in professional competition, with Vukic leading 2-1 in one match database and 2-1 again in another, while the ATP head-to-head page also lists their rivalry as a live comparison rather than a runaway mismatch.[1][3][6] Vukic has taken the most recent two meetings recorded in the feed, including a straight-sets win in Tokyo in September 2025 and a four-set Wimbledon result in 2023, both of which support the idea that he has generally handled Altmaier well on faster courts.[2][14]
For traders, the main watchpoint is whether the scheduled match actually reaches completion within the settlement window, since tennis markets can flip to 50-50 if a match is postponed, suspended without a winner, or not played at all under the event rules. The listed live match page shows the contest on the tournament draw and gives pre-match rankings of roughly ATP 105 for Vukic and ATP 62 for Altmaier, indicating Altmaier enters as the higher-ranked player even though the market currently prices Vukic as the likelier winner.[15] That combination usually points to a market that is sensitive to late schedule changes, any pre-match retirement news, and surface-dependent form, especially because their prior wins have come on hard and grass rather than on a slow clay-style setting.[2][8]
Methodology
Sports-specific comparison page for National Bank Open: Aleksandar Vukic vs Daniel Altmaier. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
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