Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) Pick polygram.ink (preferred broker) |
65% | 35% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
65% | 35% | 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 |
|---|---|
| Victor Marx | 65% |
| Barbara Kirkmeyer | 32% |
| Scott Bottoms | 0% |
| Joshua Griffin | 0% |
| Greg Lopez | 0% |
| Will McBride | 0% |
| Stevan Gess | 0% |
| Brycen Garrison | 0% |
| Daniel Thomas | 0% |
| Other | 0% |
| Candidate B | 0% |
| Candidate D | 0% |
| Candidate F | 0% |
| Candidate H | 0% |
| Candidate J | 0% |
| Candidate L | 0% |
| Candidate N | 0% |
| Candidate P | 0% |
| Candidate R | 0% |
| Candidate T | 0% |
| Candidate V | 0% |
| Candidate X | 0% |
| Candidate Z | 0% |
| Mark Baisley | 0% |
| Jason Clark | 0% |
| Jason Mikesell | 0% |
| Jon Gray-Ginsberg | 0% |
| Bob Brinkerhoff | 0% |
| Robert Moore | 0% |
| Candidate A | 0% |
| Candidate C | 0% |
| Candidate E | 0% |
| Candidate G | 0% |
| Candidate I | 0% |
| Candidate K | 0% |
| Candidate M | 0% |
| Candidate O | 0% |
| Candidate Q | 0% |
| Candidate S | 0% |
| Candidate U | 0% |
| Candidate W | 0% |
| Candidate Y | 0% |
Market context
Market consensus: 65% chance of colorado governor republican primary winner. Prediction markets aggregate real capital to produce this probability signal. This market will resolve according to the winner of the Republican Primary for Governor of Colorado, scheduled to take place on June 30, 2026. Resolution will be based on the overa…
Methodology
This page reviews Colorado Governor Republican Primary Winner across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Who Will Win, which mirrors the Polymarket order book at 0% fees.
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
- 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.
- 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?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Who Will Win trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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