Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on BTC Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on BTC Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on BTC Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on BTC Prediction → |
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 BTC Prediction.
Active sub-markets
| Lee Jin-sook | 0% YES | 100% NO |
| Yoon Jae-ok | 0% YES | 100% NO |
| Kang Min-gu | 0% YES | 100% NO |
| Hong Seok-jun | 0% YES | 100% NO |
| Choo Kyung-ho | 90% YES | 11% NO |
| Seo Jae-heon | 0% YES | 100% NO |
Market context
South Korea will hold a mayoral election for Daegu, the country's fourth-largest city, on 3 June 2026. The winner will serve a four-year term administering a metropolitan area of roughly 2.4 million residents. The market resolves to "Other" if no credible result emerges by 31 December 2026, though South Korean electoral administration typically publishes official outcomes within days of polling.
South Korea's mayoral elections have historically favoured incumbent parties during their tenure, though local contests often diverge from national sentiment. The 2022 local elections saw the conservative People Power Party secure Daegu with 67% of the vote—a stronghold that has leaned conservative for two decades. However, the intervening period to June 2026 will encompass significant national political dynamics: presidential approval ratings, legislative balance shifts, and potential scandals can substantially reshape local races. Comparable metropolitan elections in Seoul and Busan have occasionally produced surprises when national political turbulence peaked shortly before polling.
Traders should monitor announcements regarding candidate registration (typically 60 days before election day), any shifts in national party leadership, and economic conditions affecting urban constituencies. South Korean media outlets including Yonhapnews and the Korea Herald regularly cover mayoral race developments. The 0% implied probability reflects the market's current lack of conviction on any specific candidate, suggesting limited information flow at this early stage. As 2026 approaches and candidates formally declare, on-chain volume and probability shifts will likely track media coverage intensity and polling data releases.
Methodology
This page reads Daegu Mayoral Election Winner on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- Where can I trade this market with the lowest fees?
- On BTC Prediction, 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.
- 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 BTC Prediction?
- Zero. BTC Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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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