Wisconsin Governor Democratic Primary Margin of Victory (0.2% Brackets)

Platform comparison

Market context

Wisconsin's Democratic primary for governor takes place on 11 August 2026, with the margin between the top two finishers determining settlement across 0.2 percentage-point brackets. The current 0% crowd probability suggests traders are either awaiting candidate announcements or pricing in substantial uncertainty about the race structure itself. No major Democratic candidate has formally declared for the 2026 gubernatorial race as of late 2024, leaving the field composition—and thus the likely competitiveness of the primary—undefined. This absence of declared candidates explains the muted trading activity; markets typically remain illiquid until viable contenders emerge and begin campaigning in earnest.

Wisconsin's 2022 gubernatorial general election saw Governor Tony Evers defeat Republican Tim Michels by 3.3 percentage points, a relatively narrow margin in a state trending competitive. Historical Democratic primary contests in Wisconsin have varied considerably: the 2020 presidential primary saw Joe Biden defeat Bernie Sanders by 9.2 points, whilst the 2016 primary was uncontested. The 2018 gubernatorial Democratic primary, by contrast, produced a decisive outcome with Evers winning by over 20 points against three challengers. These precedents suggest primary margins can range from single digits to blowouts depending on field size and candidate profile.

Traders should monitor candidate announcements throughout 2025 and early 2026, particularly whether sitting officials or well-funded challengers enter the race. The Wisconsin Democratic Party's primary calendar and any endorsement activity will shape expectations around frontrunner status. Recent reporting on Evers' potential re-election bid and any primary opposition will directly influence margin forecasts, as will demographic shifts in the state's key voting blocs.

Methodology

We track Wisconsin Governor Democratic Primary Margin of Victory (0.2% Brackets) 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

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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

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What are the best prediction markets for UK traders in 2026?

For UKGC-regulated markets: Betfair Exchange (sports, politics) and Smarkets (sports, politics, lower commission than Betfair). For broader global event prediction: Polymarket (deepest liquidity, 0% fee, USDC settlement). For US-regulated option: Kalshi (USD, limited UK payment options). Most serious UK traders use a combination of Betfair for regulated sports and Polymarket for broader markets.