Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Best Prediction Markets Pick polygram.ink |
50% | 50% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Best Prediction Markets → |
Polymarket polymarket.com |
50% | 50% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Best Prediction Markets → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Best Prediction Markets → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Best Prediction Markets → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Best Prediction Markets → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Best Prediction Markets.
Active sub-markets
| Candidate V | — | |
| Candidate X | — | |
| Candidate Z | — | |
| Chris Carr | 0% YES | 100% NO |
| Burt Jones | 0% YES | 100% NO |
| Ken Yasger | 0% YES | 100% NO |
Market context
Georgia's Republican primary for governor will take place on 19 May 2026, with the winner determined either through a single ballot or a runoff if no candidate secures 50 per cent of the vote. The state's Republican Party will announce official results, though credible media consensus could serve as a fallback resolution source. Incumbent Governor Brian Kemp won re-election in 2022 with 53 per cent of the general election vote, defeating Democrat Stacey Abrams, but term limits prevent him from seeking a third consecutive term. The open seat creates a genuinely competitive primary environment, with multiple potential candidates likely to emerge across the moderate-to-conservative spectrum.
Georgia's recent gubernatorial primaries offer limited direct precedent for an open Republican seat. In 2018, Kemp won the Republican primary with 39 per cent in a crowded field, then faced a runoff against Casey Cagle before ultimately prevailing. That race featured significant spending and organisational backing from national Republican figures. The 2026 primary will likely attract similar levels of attention and resources, particularly given Georgia's status as a perennial swing state in presidential elections.
Traders should monitor candidate announcements between now and the filing deadline, typically set several months before the primary election. Fundraising disclosures, endorsements from state and national Republican figures, and polling data released closer to May 2026 will provide concrete signals about frontrunner status. Any shift in national Republican dynamics or changes to Georgia's electoral map could influence candidate calculations about viability.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
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
- 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.
- What does it cost to trade on Best Prediction Markets?
- Zero. Best Prediction Markets routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Best Prediction Markets triggers a quick verification flow that finishes in minutes.
- 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.
Trade Georgia Governor Republican Primary Winner on Best Prediction Markets
Live order book, 0% fees, USDC settlement in seconds.
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