Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
78% | 22% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
78% | 22% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
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 will hold its gubernatorial election on 3 November 2026, with voters selecting the state's chief executive for a four-year term. The 78% implied probability for a YES resolution reflects market confidence that a winner will be declared and settled via AP, Fox News, or NBC calls. Settlement occurs in USDC on the btc-prediction.bet platform once the Associated Press or major networks project a victor, making this contract sensitive to both polling shifts and media declaration timing in what remains a competitive swing state.
Wisconsin's gubernatorial races have historically tracked closely with national midterm sentiment, though the state has shown volatility in recent cycles. Governor Tony Evers (Democrat) won in 2022 with 51% against Republican Tim Michels in a race that tightened considerably in the final weeks. The 2018 gubernatorial contest saw Evers defeat incumbent Scott Walker by fewer than 30,000 votes. These margins suggest 2026 will remain competitive; the 78% YES probability primarily reflects high confidence in a clear winner emerging rather than a landslide expectation for either party.
Key catalysts for traders include candidate announcements (expected spring 2025), primary election results (August 2026), and polling releases through autumn 2026. Recent Wisconsin polling from Marquette University and Public Policy Polling will provide the most reliable signals for market repricing. Funding rates and whale flows on btc-prediction.bet may spike around major campaign events or if national macro conditions shift Democratic or Republican fortunes. The contract's settlement window closes 3 November 2026 at 00:00 UTC, with declaration typically occurring within 24–48 hours of polls closing.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
UK Frequently Asked Questions
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- 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%.
Trade Wisconsin Governor Election Winner on BTC Prediction
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