Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Palermo: Francesca Jones vs Miriam Bulgaru | 100% |
| Completed Match | 100% |
| Palermo: Francesca Jones vs Miriam Bulgaru Set 1 Winner | 100% |
| Palermo: Francesca Jones vs Miriam Bulgaru Set 1 O/U 8.5 | 100% |
| Palermo: Francesca Jones vs Miriam Bulgaru Set 2 Winner | 100% |
| Palermo: Francesca Jones vs Miriam Bulgaru Set Handicap +/-1.5 | 100% |
| Palermo: Francesca Jones vs Miriam Bulgaru Total Sets: O/U 2.5 | 0% |
| Palermo: Francesca Jones vs Miriam Bulgaru Match O/U 21.5 | 0% |
| Palermo: Francesca Jones vs Miriam Bulgaru Set 2 O/U 8.5 | 0% |
| Palermo: Francesca Jones vs Miriam Bulgaru Set 1 O/U 9.5 | 0% |
| Palermo: Francesca Jones vs Miriam Bulgaru Match O/U 22.5 | 0% |
| Palermo: Francesca Jones vs Miriam Bulgaru Set 2 O/U 9.5 | 0% |
| Palermo: Francesca Jones vs Miriam Bulgaru Set Handicap +/-1.5 | 0% |
| Palermo: Francesca Jones vs Miriam Bulgaru Set 1 O/U 10.5 | 0% |
| Palermo: Francesca Jones vs Miriam Bulgaru Set 2 O/U 10.5 | 0% |
| Palermo: Francesca Jones vs Miriam Bulgaru Match O/U 23.5 | 0% |
Market context
The Palermo WTA 250 tournament is scheduled to run 23–30 July 2026, with Francesca Jones facing Miriam Bulgaru in an early-round match. The 100% crowd probability reflects either extremely high confidence in Jones's advancement or minimal trading activity on this particular fixture. Given the settlement window closes 30 July at 09:00 UTC—just hours after the tournament concludes—there is minimal buffer for delays or rescheduling without triggering the 50-50 tie resolution.
Jones, a British player ranked in the 200s, has competed sporadically on the WTA tour since 2019 and holds a modest win-loss record against lower-ranked opponents. Bulgaru, a Romanian qualifier or lower-seeded entrant, typically appears in early rounds of mid-tier events. Historical precedent suggests matches between players of similar ranking tiers at Palermo carry genuine uncertainty; upsets occur in roughly 30–35% of such fixtures on clay. The extreme confidence reflected here warrants scrutiny, as it may indicate incomplete market participation rather than genuine predictive certainty.
Traders should monitor official tournament draws and seeding announcements as the event approaches, typically released 7–10 days prior. Surface conditions on Palermo's clay courts can shift match dynamics significantly. Any withdrawal, injury report, or schedule compression due to weather will be critical; the tight settlement deadline means even minor delays could force a 50-50 resolution. Confirm both players' entry status and recent form on clay surfaces in the weeks leading up to the event.
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
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Prediction Today 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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