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 | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Swiss Open: Jerome Kym vs Dylan Dietrich | 100% |
| Completed Match | 100% |
| Swiss Open: Jerome Kym vs Dylan Dietrich Set 1 Winner | 100% |
| Swiss Open: Jerome Kym vs Dylan Dietrich Total Sets: O/U 2.5 | 100% |
| Swiss Open: Jerome Kym vs Dylan Dietrich Match O/U 21.5 | 100% |
| Swiss Open: Jerome Kym vs Dylan Dietrich Set 1 O/U 8.5 | 100% |
| Swiss Open: Jerome Kym vs Dylan Dietrich Set 1 O/U 9.5 | 100% |
| Swiss Open: Jerome Kym vs Dylan Dietrich Match O/U 22.5 | 100% |
| Swiss Open: Jerome Kym vs Dylan Dietrich Match O/U 23.5 | 100% |
| Swiss Open: Jerome Kym vs Dylan Dietrich Set 1 O/U 10.5 | 100% |
| Swiss Open: Jerome Kym vs Dylan Dietrich Set 2 Winner | 0% |
| Swiss Open: Jerome Kym vs Dylan Dietrich Set 2 O/U 8.5 | 0% |
| Swiss Open: Jerome Kym vs Dylan Dietrich Set Handicap +/-1.5 | 0% |
| Swiss Open: Jerome Kym vs Dylan Dietrich Set 2 O/U 9.5 | 0% |
| Swiss Open: Jerome Kym vs Dylan Dietrich Set 2 O/U 10.5 | 0% |
Market context
Jerome Kym and Dylan Dietrich are scheduled to contest a first-round match at the Swiss Open on 14 July 2026. The market currently prices Kym's advancement at 100% on Polygon, with USDC settlement conditional on either player progressing past the other. The 50-50 resolution clause activates if the match fails to produce a winner within seven days of the scheduled date, or if it never commences—a meaningful safeguard given tennis's vulnerability to weather delays and player withdrawals at outdoor summer events.
Historical precedent suggests extreme probabilities in early-round tennis matchups often reflect seeding disparities rather than genuine certainty. Kym and Dietrich's relative rankings will determine whether the 100% reading reflects a significant gap in playing strength or merely market illiquidity on a lower-profile Swiss Open encounter. Comparable first-round markets at ATP 250 events typically show 65–85% probabilities for seeded players facing unranked or lower-ranked opponents; a 100% price warrants scrutiny about whether traders possess specific information regarding Dietrich's fitness or withdrawal risk, or whether the market simply lacks sufficient depth to price nuance.
Traders should monitor official Swiss Open draw confirmations and player injury bulletins through early July. ATP and WTA injury reports, particularly those flagging lower-ranked players' participation status, often shift conditional token prices sharply in the days preceding tournament starts. Weather forecasts for the Swiss venue during the scheduled window may also trigger repricing if rain threatens to push matches beyond the seven-day resolution window.
Methodology
This page reviews Swiss Open: Jerome Kym vs Dylan Dietrich across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.
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?
- 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 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?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade Swiss Open: Jerome Kym vs Dylan Dietrich on PolyGram
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