1. FC Cologne vs. Real Sociedad San Sebastian - More Markets

Platform comparison

Market context

1. FC Köln meeting Real Sociedad in a summer friendly is being priced as a near-certainty on the Köln side, with the market at 96% YES for the “more markets” proposition. That leaves the consensus firmly with the home club as the handicapper’s default read, but it also means the practical value is thinner than the headline suggests; at this level, traders are really paying for roster continuity, venue familiarity and the usual preseason edge that can favour the side with the sharper legs and deeper bench.

The historical frame is mixed rather than one-sided. The clubs’ only competitive tie came in the 1988/89 UEFA Cup, where Real Sociedad went through 1-0 on aggregate after a 1-0 first-leg win in San Sebastián[6][7][8]. More recently, Köln’s own club channel said the teams were due to play a closed-door match the night before the public friendly, which is exactly the kind of setup that can distort prices in friendlies because managers often split squads, protect minutes and experiment with shape[5]. That creates a contrarian angle: if the market assumes a routine home-leaning test, the real uncertainty is whether one side fields a much stronger XI in the closed-door leg and a diluted one in the televised match.

The main catalysts are team news and scheduling. Köln’s official site set the public kick-off for 15:30 local time in the RheinEnergieStadion, and the same announcement confirmed a separate behind-closed-doors game on 7 August[5]. Real Sociedad’s pre-match listings also pointed to the same venue and date window[3][14][17]. The trader focus should be on whether either club treats the second fixture as the primary rehearsal, because late rotation, youth call-ups and managed minutes can move the true probability away from the crowd’s 96% YES more quickly than form or badge strength.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Who Will Win, which mirrors the Polymarket order book directly.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

UK Frequently Asked Questions

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

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%.