Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| Both Teams to Score | 100% |
| Both Teams to Score in First Half | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| Gwangju FC O/U 0.5 | 100% |
| Gimcheon Sangmu FC O/U 0.5 | 100% |
| Gwangju FC 1st Half O/U 0.5 | 100% |
| Gimcheon Sangmu FC 1st Half O/U 0.5 | 100% |
| Gwangju FC (-1.5) | 0% |
| Gimcheon Sangmu FC (-1.5) | 0% |
| Gwangju FC (-2.5) | 0% |
| Gimcheon Sangmu FC (-2.5) | 0% |
| O/U 2.5 | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Gwangju FC O/U 1.5 | 0% |
| Gwangju FC O/U 2.5 | 0% |
| Gimcheon Sangmu FC O/U 1.5 | 0% |
| Gimcheon Sangmu FC O/U 2.5 | 0% |
| Gwangju FC 1st Half O/U 1.5 | 0% |
| Gimcheon Sangmu FC 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 0.5 | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| Gwangju FC 2nd Half O/U 0.5 | 0% |
| Gwangju FC 2nd Half O/U 1.5 | 0% |
| Gimcheon Sangmu FC 2nd Half O/U 0.5 | 0% |
| Gimcheon Sangmu FC 2nd Half O/U 1.5 | 0% |
Market context
Gwangju FC and Gimcheon Sangmu FC are scheduled to play in the K-League on 22 July, with this market covering the “more markets” settlement rather than the match result itself. A 0% crowd-implied probability on a binary contract usually means the order book has not priced in any meaningful chance of the settlement condition being met, so the key read-through is less about football form and more about whether the market is thin, inactive, or waiting for a definitional trigger before any repricing occurs.
Comparable sports side-markets on prediction venues often sit near zero until late information arrives, then reprice sharply if the underlying event becomes operationally clear, such as an official fixture change, void, or rule-based expansion of eligible outcomes. Because settlement is in USDC, the contract is ultimately constrained by on-chain finality rather than exchange narrative, so traders typically watch for the exact market wording, the resolution timestamp, and any admin announcements that could alter what counts as a valid outcome. If broader crypto liquidity is relevant, BTC and ETH spot swings or funding-rate stress can affect capital rotation into smaller markets, but absent a market-specific catalyst they usually matter only indirectly.
The main catalysts to watch are the scheduled kick-off, any K-League or venue announcement affecting whether the match proceeds as planned, and any platform update clarifying how the “more markets” basket resolves before the 10:30 UTC settlement window. In practice, the highest-risk dependency is a late rule interpretation rather than team news, because a binary market with a 0% YES price can remain pinned until a definitive operational event forces a repricing.
Methodology
This page reads Gwangju FC vs. Gimcheon Sangmu FC - More Markets 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 alongside for venue context. 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
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
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