Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
45% | 55% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
45% | 55% | 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 |
|---|---|
| Rosenborg BK | 45% |
| Viking FK | 30% |
| Draw | 26% |
Market context
Rosenborg BK will host Viking FK in the Norwegian Eliteserien on Friday, 14 August 2026. The match represents a mid-season fixture between two established top-flight clubs with contrasting recent trajectories. Current crowd-implied probability sits at 45% for a Rosenborg victory, reflecting moderate confidence in the home side despite their hosting advantage.
Rosenborg's historical record against Viking provides useful context for calibrating the 45% reading. Over the past five seasons, Rosenborg has won approximately 52% of direct matchups, with Viking claiming roughly 24% and draws accounting for the remainder. The current probability discount below Rosenborg's historical win rate suggests the market is pricing in either recent form deterioration, injury concerns, or Viking's improved competitive standing. Comparable fixtures in the Eliteserien typically see home-side probabilities ranging from 48% to 58%, depending on league position and squad depth; the 45% figure indicates traders view this as a closer contest than typical home advantage would suggest.
Traders should monitor team news releases and official Eliteserien fixture announcements through early August for squad availability updates, particularly regarding key players or managerial changes. Viking's recent league performance and any mid-season transfers will materially shift expectations. USDC settlement occurs immediately post-match, with on-chain confirmation typically within hours of final whistle. Funding rates on related sports derivatives markets may signal aggregate positioning shifts as the fixture date approaches, though direct correlation to this specific match remains limited given the niche nature of Eliteserien betting.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $113K.
Methodology
This page reads Rosenborg BK vs. Viking FK 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.
UK Frequently Asked Questions
- 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.
- 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.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
Trade Rosenborg BK vs. Viking FK on BTC Prediction
Live order book, 0% fees, USDC settlement in seconds.
Open live market →