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 |
|---|---|
| ITF W50 Prague Women: Nastasja Schunk vs Gaeul Jang | 100% |
| Completed Match | 100% |
| ITF W50 Prague Women: Nastasja Schunk vs Gaeul Jang Set 2 O/U 8.5 | 100% |
| ITF W50 Prague Women: Nastasja Schunk vs Gaeul Jang Set 1 O/U 8.5 | 100% |
| ITF W50 Prague Women: Nastasja Schunk vs Gaeul Jang Total Sets: O/U 2.5 | 100% |
| ITF W50 Prague Women: Nastasja Schunk vs Gaeul Jang Match O/U 21.5 | 100% |
| ITF W50 Prague Women: Nastasja Schunk vs Gaeul Jang Set 2 Winner | 100% |
| ITF W50 Prague Women: Nastasja Schunk vs Gaeul Jang Set 1 O/U 9.5 | 100% |
| ITF W50 Prague Women: Nastasja Schunk vs Gaeul Jang Match O/U 22.5 | 100% |
| ITF W50 Prague Women: Nastasja Schunk vs Gaeul Jang Match O/U 23.5 | 100% |
| ITF W50 Prague Women: Nastasja Schunk vs Gaeul Jang Set 1 Winner | 0% |
| ITF W50 Prague Women: Nastasja Schunk vs Gaeul Jang Set Handicap +/-1.5 | 0% |
| ITF W50 Prague Women: Nastasja Schunk vs Gaeul Jang Set 2 O/U 9.5 | 0% |
| ITF W50 Prague Women: Nastasja Schunk vs Gaeul Jang Set Handicap +/-1.5 | 0% |
| ITF W50 Prague Women: Nastasja Schunk vs Gaeul Jang Set 2 O/U 10.5 | 0% |
| ITF W50 Prague Women: Nastasja Schunk vs Gaeul Jang Set 1 O/U 10.5 | 0% |
Market context
Nastasja Schunk, a German ITF circuit regular, faces South Korean qualifier Gaeul Jang in the opening round of the ITF W50 Prague tournament, scheduled for 18 August 2026. The match carries a settlement window extending to 25 August, allowing seven days for completion before the market resolves to a 50–50 split if the fixture remains unplayed or unresolved. The current crowd-implied probability of 100% YES reflects confidence that Schunk will advance, though this extreme reading warrants scrutiny against available sportsbook and analyst positioning.
Schunk's recent ITF W50 record shows mixed results on hard courts in Central Europe, with her ranking trajectory suggesting mid-tier circuit status rather than dominant form. Jang, competing as a qualifier, typically indicates lower seeding and limited recent tournament activity at this level. Historical precedent from comparable W50 matchups shows that crowd-implied probabilities exceeding 95% often reflect incomplete information about player fitness, surface preference, or recent practice conditions rather than genuine certainty. The 100% reading here may signal either a data lag in the market or overconfidence in Schunk's baseline advantage.
Traders should monitor official ITF draw confirmations and any late withdrawals through 17 August, as qualifier status can shift with player availability. Weather disruptions in Prague during mid-August have occasionally delayed hard-court fixtures by 24–48 hours historically. Sportsbook lines, where available, typically price W50 matches with wider margins than this market's current extreme, suggesting potential value for contrarian positions if Jang's recent form or surface record contradicts the crowd's assessment.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- 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.
- 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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