Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
Market context
Alex Michelsen’s Geneva Open meeting with Learner Tien is trading on Polymarket at a 100% implied price for Michelsen, with USDC locked on Polygon and the winner resolved through the market’s conditional token structure. In practical terms, that means the contract is already fully one-sided and any new information would need to move the market off that ceiling by changing the likelihood of an upset, a delay, or a settlement ambiguity before the 28 May deadline.
The match-up itself points to why traders are leaning hard to Michelsen. The ATP head-to-head shows Michelsen ahead 3-1, and the recent pattern has favoured him, with the American having won the last three meetings. Preview coverage from The Stats Zone also noted that Michelsen had taken the most recent encounters, which is usually the clearest read for a market like this when both players are familiar with each other and the price is already compressed. Flashscore’s live match data from their previous meetings suggests the pair can trade holds and long sets, but the broader historical edge still sits with Michelsen.
For Polymarket users, the key catalysts are not just the result but the tournament logistics: whether the quarter-final is played as scheduled, whether there is a weather delay in Geneva, and whether the ATP draw is altered by retirement, walkover, or withdrawal. Geneva Open reporting from ATP Tour on Wednesday showed both players still active in the event, but any late scheduling change, injury update, or postponement matters here because the contract only flips to 50-50 if the match is not played, ends level, or is pushed beyond seven days without a winner.
Methodology
This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.
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
- Is this market available outside the US?
- PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
- 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.
Trade Geneva Open: Alex Michelsen vs Learner Tien on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
Trade on PolyGram →