Lions vs. Bengals

Platform comparison

Market context

The Cincinnati Bengals beat the Detroit Lions in this preseason matchup, and the market is already past the 2026-08-13 23:00 UTC settlement window, so the contract should now resolve on the final result once the game state is confirmed. In the wider pre-game market, Cincinnati was consistently priced as the favourite: sportsbook and prediction-market references clustered around a Bengals win probability in the low 70s, while Detroit sat near 29%.[2][12][15]

That makes the current **21% YES** price look materially below comparable pre-kickoff estimates, although preseason lines can move quickly on late lineup news. Cincinnati was listed around -245 to -300 on the moneyline, with Detroit between +220 and +251, while the total sat near 37.5 to 38.5 points.[2][4][8][17] Recent head-to-head context also leans Cincinnati’s way: the Bengals beat the Lions 34-11 in October 2021 and 37-24 in October 2025, both comfortably covering as favourites.[7]

Traders should still watch for any official scoring correction, postponement notice, or unusual suspension of play, because the market rules keep it open only if the game is not completed, and a tie or cancellation would force a 50-50 outcome. In crypto-native terms, settlement is straightforward USDC-style event resolution rather than an exchange position, so the main risk is not funding or margin but finality: once the league and data feed agree the game is over, the contract should close to the confirmed winner.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reads Lions vs. Bengals 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.

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.

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%.