Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Scam?) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Rome: Francesca Jones vs Dalila Spiteri | 100% |
| Completed Match | 100% |
| Rome: Francesca Jones vs Dalila Spiteri Total Sets: O/U 2.5 | 100% |
| Rome: Francesca Jones vs Dalila Spiteri Set 2 Winner | 100% |
| Rome: Francesca Jones vs Dalila Spiteri Set 1 Winner | 0% |
| Rome: Francesca Jones vs Dalila Spiteri Set 1 O/U 8.5 | 0% |
| Rome: Francesca Jones vs Dalila Spiteri Set 2 O/U 8.5 | 0% |
| Rome: Francesca Jones vs Dalila Spiteri Set Handicap +/-1.5 | 0% |
| Rome: Francesca Jones vs Dalila Spiteri Match O/U 21.5 | 0% |
| Rome: Francesca Jones vs Dalila Spiteri Set 2 O/U 9.5 | 0% |
| Rome: Francesca Jones vs Dalila Spiteri Set 1 O/U 9.5 | 0% |
| Rome: Francesca Jones vs Dalila Spiteri Match O/U 22.5 | 0% |
| Rome: Francesca Jones vs Dalila Spiteri Set Handicap +/-1.5 | 0% |
| Rome: Francesca Jones vs Dalila Spiteri Set 2 O/U 10.5 | 0% |
| Rome: Francesca Jones vs Dalila Spiteri Set 1 O/U 10.5 | 0% |
| Rome: Francesca Jones vs Dalila Spiteri Match O/U 23.5 | 0% |
Market context
Francesca Jones faces Dalila Spiteri in the opening round of the WTA 125K Rome Challenger today, with the on-chain contract for Jones advancing priced at a full 100% YES. This absolute pricing on Polymarket, settled in USDC on Polygon via conditional tokens, suggests the market views Spiteri as a non-factor despite both players holding equal career win totals in their head-to-head records[1]. The settlement window closes on 20 July 2026, allowing for delays, but the current consensus implies the match will proceed without cancellation or a tie, which would otherwise trigger a 50-50 resolution.
Historically, such 100% implied probabilities in women’s challenger tennis often precede late withdrawals or unforced errors rather than guaranteed straight-set victories, as seen in similar WTA 125K events where underdogs occasionally force a third set before losing. Traders should note that while Jones is the clear favourite, the “equal wins” career stat[1] means the margin could be thin, and any injury delay beyond seven days would invalidate the binary outcome. The market’s rigidity here mirrors past cases where one player’s form drastically outpaces the other, yet the risk of a delayed finish remains the only technical threat to the YES position.
Key catalysts include the 08:30 UTC start time at Court 1 and any pre-match weather updates for Rome, which could delay play and trigger the seven-day clause[4]. Watch for official WTA 125K Rome round-of-32 confirmations, as a withdrawal by Spiteri before the first ball would still resolve YES for Jones, but a cancellation without a ball played would reset the market to 50-50[6]. No recent news suggests a withdrawal, so the 100% price likely reflects Jones’ superior recent form in this specific tournament tier.
Methodology
This page reviews Rome: Francesca Jones vs Dalila Spiteri 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 Polymarket Scam?, 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.
- 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.
- 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.
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