Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Bloomfield Hills: Alex Michelsen vs Aidan Mayo | 100% |
| Completed Match | 100% |
| Bloomfield Hills: Alex Michelsen vs Aidan Mayo Set 1 Winner | 100% |
| Bloomfield Hills: Alex Michelsen vs Aidan Mayo Total Sets: O/U 2.5 | 100% |
| Bloomfield Hills: Alex Michelsen vs Aidan Mayo Match O/U 21.5 | 100% |
| Bloomfield Hills: Alex Michelsen vs Aidan Mayo Set 2 O/U 8.5 | 100% |
| Bloomfield Hills: Alex Michelsen vs Aidan Mayo Set 1 O/U 8.5 | 100% |
| Bloomfield Hills: Alex Michelsen vs Aidan Mayo Match O/U 22.5 | 100% |
| Bloomfield Hills: Alex Michelsen vs Aidan Mayo Set 2 O/U 9.5 | 100% |
| Bloomfield Hills: Alex Michelsen vs Aidan Mayo Match O/U 23.5 | 100% |
| Bloomfield Hills: Alex Michelsen vs Aidan Mayo Set 2 O/U 10.5 | 100% |
| Bloomfield Hills: Alex Michelsen vs Aidan Mayo Set 2 Winner | 0% |
| Bloomfield Hills: Alex Michelsen vs Aidan Mayo Set Handicap +/-1.5 | 0% |
| Bloomfield Hills: Alex Michelsen vs Aidan Mayo Set 1 O/U 9.5 | 0% |
| Bloomfield Hills: Alex Michelsen vs Aidan Mayo Set Handicap +/-1.5 | 0% |
| Bloomfield Hills: Alex Michelsen vs Aidan Mayo Set 1 O/U 10.5 | 0% |
Market context
Alex Michelsen is set to face Aidan Mayo in Bloomfield Hills, with the contract resolving on whether Michelsen advances. A crowd-implied probability of **100% YES** indicates the market is treating his progression as virtually certain, which usually happens when the bookmaker side is heavily one-sided or when the opponent is viewed as unlikely to complete the match. BetExplorer’s live match page confirms the fixture listing, but the result feed is currently interrupted, so there is no usable public scoreline from that source yet.[1]
For context, markets like this often move to the extremes when a higher-ranked player is paired with a lower-rated domestic challenger, because traders tend to price in both the expected skill gap and the chance that the favourite simply receives the walkover, retirement or incomplete-match outcome needed for a contract win. In those cases, prediction-market pricing can sit at or near the cap even when sportsbook moneyline prices are merely very short, so any meaningful divergence would usually show up only if a book still offers the underdog a non-trivial chance while the contract is pinned at 100%. That sort of gap is most common when the event is listed but final participation is uncertain rather than when a live match is clearly under way.
The main catalysts to watch are the official order of play, any late withdrawal notice, and whether the match starts on schedule or slips into a rain delay or court-court scheduling backlog. Because the market can settle to 50-50 if the match is not played, tied, or delayed beyond seven days without a winner, traders should focus on tournament communications and scoreboard updates rather than pre-match speculation alone. If the match begins, the key dependency is whether either player retires or advances before completion, since that determines whether the contract follows the on-court winner or reverts to the split outcome.
Sources: 1
Methodology
We track Bloomfield Hills: Alex Michelsen vs Aidan Mayo across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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