Colorado Governor Democratic Primary Winner

Platform comparison

Active sub-markets

Market context

Phil Weiser, Colorado’s Attorney General, holds a 68% crowd-implied probability of winning the Democratic Primary for Governor on 30 June 2026, according to today’s Polymarket pricing. Traders on the platform are locking in USDC on the Polygon network, using conditional tokens to bet on Weiser’s nomination, with the market resolving once the Colorado Democratic Party announces the official result.

Historically, such primary probabilities in Colorado have mirrored early poll leads among decided voters, as seen in the 2022 gubernatorial race where Jared Polis’s initial 65% share translated directly into his nomination. A new poll commissioned by a Weiser-supporting group confirms Attorney General Weiser leads U.S. Senator Michael Bennet sizably among voters who have made up their minds[1], reinforcing the 68% figure as grounded in current voter sentiment rather than speculation.

Key catalysts for traders include the finalisation of the primary ballot by the Colorado Democratic Party, any late campaign announcements from Bennet, and the official election schedule dependencies. The Colorado Secretary of State’s candidate list remains the definitive source for ballot qualification[8], while live results will be tracked via NPR’s primary election results portal once voting begins[6]. No second round is expected unless the party rules mandate a run-off, but the market will resolve to “Other” if no primary occurs.

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

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.

FAQ

Where can I trade this market with the lowest fees?

On Kalshi UK, 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.

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.

What does it cost to trade on Kalshi UK?

Zero. Kalshi UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

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