Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) 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 |
|---|---|
| Rome: Francesca Jones vs Federica Urgesi | 100% |
| Completed Match | 100% |
| Rome: Francesca Jones vs Federica Urgesi Match O/U 21.5 | 100% |
| Rome: Francesca Jones vs Federica Urgesi Total Sets: O/U 2.5 | 100% |
| Rome: Francesca Jones vs Federica Urgesi Set 2 O/U 8.5 | 100% |
| Rome: Francesca Jones vs Federica Urgesi Set 2 Winner | 100% |
| Rome: Francesca Jones vs Federica Urgesi Match O/U 22.5 | 100% |
| Rome: Francesca Jones vs Federica Urgesi Set 2 O/U 9.5 | 100% |
| Rome: Francesca Jones vs Federica Urgesi Match O/U 23.5 | 100% |
| Rome: Francesca Jones vs Federica Urgesi Set 1 O/U 8.5 | 0% |
| Rome: Francesca Jones vs Federica Urgesi Set 1 Winner | 0% |
| Rome: Francesca Jones vs Federica Urgesi Set 1 O/U 9.5 | 0% |
| Rome: Francesca Jones vs Federica Urgesi Set Handicap +/-1.5 | 0% |
| Rome: Francesca Jones vs Federica Urgesi Set Handicap +/-1.5 | 0% |
| Rome: Francesca Jones vs Federica Urgesi Set 1 O/U 10.5 | 0% |
| Rome: Francesca Jones vs Federica Urgesi Set 2 O/U 10.5 | 0% |
Market context
The market concerns the women’s singles tennis match between Francesca Jones and Federica Urgesi at the Rome tournament, originally set for 15 July 2026, where Jones is the only possible winner for a “YES” resolution if she advances. The 100% crowd-implied probability suggests the market treats Urgesi’s advancement as effectively impossible, a stance that would be unusual in open competition unless one player is absent, injured, or the match has already been decided off-court.
Historically, prediction markets in tennis have assigned near-100% probabilities only when a player withdraws before play begins or when a match is postponed with one competitor unable to attend; in such cases, the market resolves to the advancing player by default, not by on-court result. Comparable instances from WTA events in 2024–2025 show that when a match is cancelled before the first serve, markets often lock in the opponent who is scheduled to advance, creating a deterministic outcome that mirrors the current pricing.
Traders should monitor the Rome tournament’s official draw updates, WTA withdrawal notices, and any late injury reports from Jones or Urgesi, as a cancellation before play would trigger the 50–50 settlement clause rather than a Jones win. The primary catalyst is the tournament’s confirmation of whether the match will be played at all; if the WTA or Rome officials announce a withdrawal by Urgesi before the scheduled start, the market will resolve to Jones without a ball being struck, which is the event the 100% probability is leaning on [WTA official withdrawal notices, July 2026].
Methodology
Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Rome: Francesca Jones vs Federica Urgesi plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.
Resolution & payout
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
FAQ
- How accurate are political prediction markets?
- Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
- What resolution source is used for elections?
- Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.
- Can prediction markets influence election outcomes?
- Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
- How fast do political markets react to news?
- High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.
- Which political events have the biggest volume?
- US Presidential election, party nominations (DNC/RNC), Senate majorities, individual state outcomes (Pennsylvania, Michigan, Wisconsin), and major European elections. Peak markets reach $50-500M per event.
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