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% |
| HNK Rijeka O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| HNK Rijeka 2nd Half O/U 0.5 | 100% |
| HNK Rijeka (-1.5) | 0% |
| Derry City FC (-1.5) | 0% |
| HNK Rijeka (-2.5) | 0% |
| Derry City FC (-2.5) | 0% |
| O/U 1.5 | 0% |
| O/U 2.5 | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| HNK Rijeka O/U 1.5 | 0% |
| HNK Rijeka O/U 2.5 | 0% |
| Derry City FC O/U 0.5 | 0% |
| Derry City FC O/U 1.5 | 0% |
| Derry City FC O/U 2.5 | 0% |
| HNK Rijeka 1st Half O/U 0.5 | 0% |
| HNK Rijeka 1st Half O/U 1.5 | 0% |
| Derry City FC 1st Half O/U 0.5 | 0% |
| Derry City FC 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| HNK Rijeka 2nd Half O/U 1.5 | 0% |
| Derry City FC 2nd Half O/U 0.5 | 0% |
| Derry City FC 2nd Half O/U 1.5 | 0% |
Market context
HNK Rijeka host Derry City in the second leg of their UEFA Europa Conference League tie, with Rijeka already holding a 1-0 lead from the first leg in Croatia.[1][2] For the “more markets” contract, the current 0% crowd-implied YES looks consistent with a market that is effectively waiting for the live match to produce a qualifying outcome, rather than pricing a pre-match upset in full time.[1][3]
Comparable pre-match reads lean towards Rijeka unless Derry force a higher-event game than the first leg suggested. Sports Mole’s model gives Rijeka a 53.58% win chance, with Derry at 22.31% and the draw at 24.11%, while betting previews have Rijeka as short home favourites, which fits a one-goal aggregate edge and home advantage in a knockout qualifier.[3][5] That framing matters for a derivative-style market because a low initial YES price usually reflects the contract needing a specific listed event to occur, not just the most likely football result.[7]
The main catalysts are team news, confirmed line-ups, and the match state once kick-off arrives at 20:45 CEST, with the fixture still listed as not started before play.[2] Traders should also watch whether the event settles strictly on regulation-time stats or includes added time, because the contract specification determines whether late goals, cards, or other “more markets” outcomes qualify.[7] In a crypto-native market, USDC settlement means the price can move quickly around confirmed information, while broader BTC and ETH risk tone can matter at the margin if liquidity tightens across prediction markets, though the match itself remains the primary driver.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
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
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- 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.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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