Colorado Governor Democratic Primary Winner

Platform comparison

Active sub-markets

Market context

The real-world event at hand is the Democratic primary for Colorado’s governor, scheduled for 30 June 2026, where Michael Bennet and Phil Weiser are the confirmed contenders. Incumbent Jared Polis cannot seek a third term, leaving an open seat that the Democratic Party will fill through this primary, with any potential run-off included in the resolution. The market currently implies a 71% chance that the winner will be a Democrat, though the primary itself is inherently Democratic, so the probability reflects confidence in the party’s internal selection process rather than partisan competition.

Historically, Colorado’s open-seat gubernatorial primaries have favoured established figures with strong party backing, as seen in 2018 when Polis won decisively after a crowded field. Comparable cases show that when two high-profile candidates like Bennet and Weiser emerge, the outcome often hinges on early endorsements and fundraising momentum rather than late shifts. The current 71% probability aligns with Bennet’s seniority and national profile, yet Weiser’s state-level experience and recent legislative wins keep the contest competitive, suggesting the market is pricing in a likely but not certain Bennet victory.

Traders should monitor official candidate announcements from the Colorado Democratic Party, the release of the voter guide, and any shifts in polling averages, particularly as the primary date approaches in five days. Recent coverage from CPR highlights the competitive nature of the race and notes that early donor activity could be a key catalyst [4]. Additionally, regulatory frameworks such as Germany’s GlüStV and US CFTC reach influence market accessibility, while the ‘no-KYC up to $1,500’ provision allows broader participation without identity verification, enhancing liquidity for this specific market.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Colorado Governor Democratic Primary Winner on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.