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% |
| 1st Half O/U 0.5 | 100% |
| Viking FK O/U 0.5 | 100% |
| Viking FK 1st Half O/U 0.5 | 100% |
| Aalesunds FK O/U 0.5 | 99% |
| 2nd Half O/U 0.5 | 99% |
| Aalesunds FK 2nd Half O/U 0.5 | 99% |
| Aalesunds FK O/U 1.5 | 1% |
| Aalesunds FK O/U 2.5 | 1% |
| Viking FK O/U 1.5 | 1% |
| Viking FK O/U 2.5 | 1% |
| Both Teams to Score in Second Half | 1% |
| 2nd Half O/U 1.5 | 1% |
| 2nd Half O/U 2.5 | 1% |
| Aalesunds FK 2nd Half O/U 1.5 | 1% |
| Viking FK 2nd Half O/U 0.5 | 1% |
| Viking FK 2nd Half O/U 1.5 | 1% |
| Aalesunds FK (-1.5) | 0% |
| Viking FK (-1.5) | 0% |
| Aalesunds FK (-2.5) | 0% |
| Viking FK (-2.5) | 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 in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Aalesunds FK 1st Half O/U 0.5 | 0% |
| Aalesunds FK 1st Half O/U 1.5 | 0% |
| Viking FK 1st Half O/U 1.5 | 0% |
Market context
Aalesunds FK host Viking FK in the Eliteserien, and the market is currently pricing the “more markets” contract at 0% YES, which usually signals either no qualifying side-market has been confirmed yet or a very low expectation that the relevant extra market will be posted before settlement. The underlying football matchup itself has tended to lean towards Viking, with previews calling Viking the stronger side and expecting goals, including scorelines such as 3-1 or 4-1 and a 60% win probability in one model, while head-to-head data also points to a high rate of matches going over 2.5 goals.[1][2][3][6]
For traders, the main things to watch are the match-day market listings on the exchange, any late referee or line-up-related side markets, and whether the contract’s definition of “more markets” is satisfied by an additional special or derivative market before the settlement window closes. Because settlement is in USDC, the practical risk is not the football result itself but whether the platform posts, resolves, and timestamps the relevant market in time; if the exchange is processing through a wider sports-card pipeline, delays around publishing or voiding can matter more than team news. If broader crypto conditions are relevant to positioning, BTC and ETH spot and funding rates can still affect account-level liquidity, but they do not alter the football outcome.[1][4][5]
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.
- 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.
- 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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