Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) Pick polygram.ink (preferred broker) |
78% | 22% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
78% | 22% | 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 |
|---|---|
| David Crowley (D) | 78% |
| Tom Tiffany (R) | 24% |
| Option A | 0% |
| Option B | 0% |
| Option C | 0% |
| Option D | 0% |
| Option E | 0% |
| Option F | 0% |
| Option G | 0% |
| Option H | 0% |
| Option I | 0% |
| Option J | 0% |
| Other | 0% |
Market context
Wisconsin's 2026 gubernatorial race is shaping as a competitive contest between incumbent Democratic Governor Tony Evers and Republican challenger Tim Michels, with the crowd currently pricing Democratic retention at 78 per cent. Recent polling has tightened considerably from earlier in the cycle, with some surveys showing single-digit margins. Michels, who narrowly lost to Evers in 2022 despite a favourable national environment for Republicans, has consolidated support within the GOP base and secured party backing for another run.
Historical precedent suggests Wisconsin gubernatorial races remain genuinely competitive despite the current implied probability. Evers won by just 1.1 percentage points in 2022, whilst Scott Walker held the governorship for eight years before losing to Evers in 2018 by 1.0 point. The state's swing nature means structural advantages rarely exceed 5–6 points. Michels' previous near-miss and name recognition from 2022 provide a different dynamic than a first-time challenger would face, though Evers benefits from incumbent status and higher approval ratings than when he first took office.
Traders should monitor the Republican primary dynamics if alternative candidates emerge, though Michels appears positioned as the presumptive nominee. Economic conditions heading into 2026—particularly unemployment and wage growth in Wisconsin's manufacturing-dependent regions—will significantly influence turnout and persuadable voters. National political momentum in 2025–26 will likely prove decisive; the 78 per cent probability reflects confidence in Democratic performance but leaves meaningful room for Republican gains if conditions shift.
Methodology
We track Wisconsin Governor Election Winner across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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.
UK Frequently Asked Questions
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Prediction Today. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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