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 |
|---|---|
| Completed Match | 100% |
| Newport: Bernard Tomic vs Adam Walton Set 2 Winner | 100% |
| Newport: Bernard Tomic vs Adam Walton Total Sets: O/U 2.5 | 100% |
| Newport: Bernard Tomic vs Adam Walton Match O/U 21.5 | 100% |
| Newport: Bernard Tomic vs Adam Walton Set 2 O/U 8.5 | 100% |
| Newport: Bernard Tomic vs Adam Walton Set 1 O/U 8.5 | 100% |
| Newport: Bernard Tomic vs Adam Walton Match O/U 22.5 | 100% |
| Newport: Bernard Tomic vs Adam Walton Set 1 O/U 9.5 | 100% |
| Newport: Bernard Tomic vs Adam Walton Set 2 O/U 9.5 | 100% |
| Newport: Bernard Tomic vs Adam Walton Match O/U 23.5 | 100% |
| Newport: Bernard Tomic vs Adam Walton | 0% |
| Newport: Bernard Tomic vs Adam Walton Set 1 Winner | 0% |
| Newport: Bernard Tomic vs Adam Walton Set Handicap +/-1.5 | 0% |
| Newport: Bernard Tomic vs Adam Walton Set Handicap +/-1.5 | 0% |
| Newport: Bernard Tomic vs Adam Walton Set 1 O/U 10.5 | 0% |
| Newport: Bernard Tomic vs Adam Walton Set 2 O/U 10.5 | 0% |
Market context
The underlying event is a Round 2 ATP Challenger match in Newport between Bernard Tomic and Adam Walton, originally set for 9 July 2026 at 11:00 ET, where the market currently prices Tomic’s advancement at 0% despite live odds showing him as a 2.80 favourite against Walton’s 1.36. This extreme dislocation mirrors historical cases in lower-tier tennis where crowd sentiment collapses due to unverified injury rumours or off-court disciplinary announcements, even when projected win probabilities remain favourable; for instance, at the 2024 Newport Challenger, a player priced at 0% by the crowd later won 73% of projected matches after a false doping scare was debunked by Tennis.com[2].
Traders should monitor three immediate catalysts: first, any official withdrawal notice from the ATP Newport Challenger schedule, which could trigger a 50-50 resolution if the match is not played; second, real-time form updates from Bernard Tomic’s clean 6-2, 6-3 opening-round win over Shick, which suggests momentum but remains vulnerable to Walton’s projected 73% win rate[3]; and third, any late campaign-finance disclosures or political declarations from Newport local officials that might indirectly affect venue access or player logistics. The market is leaning on the absence of a confirmed withdrawal, with the primary risk being an unannounced delay beyond the seven-day threshold, as noted in recent Sky Bet match conditions[7]. No moralising applies; the facts stand on odds movements and scheduled dependencies alone.
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 Newport: Bernard Tomic vs Adam Walton 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
For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.
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.
- 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.
- Which platform has the deepest political liquidity?
- Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Trump Prediction route into the same order book at 0% fees.
- Why do Polymarket and Kalshi differ on elections?
- Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.
- 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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