1. FC Cologne vs. Real Sociedad San Sebastian - Exact Score

Platform comparison

Market context

1. FC Köln host Real Sociedad in a summer friendly, and the exact-score market is best read as a low-liquidity view on whether the match stays conventional or drifts into one of the listed scorelines. The only clear historical meeting in UEFA records was over two legs in the 1988/89 UEFA Cup, when Real Sociedad won 1-0 at home and the tie finished 3-2 on aggregate; UEFA’s head-to-head page shows one win each across the two legs and only three total goals for Köln and two for Sociedad in those meetings.[1][2][4]

That background matters because friendlies often produce wider score distributions than competitive games, with line-ups, substitutions and match length sometimes varying by organiser. ESPN’s match listing shows both clubs finished their domestic seasons with mixed results and several low-scoring as well as high-scoring games, which does not point to a single stable exact score pattern.[6] On Polymarket, Kalshi, Betfair and Smarkets, the same question is usually displayed differently: prediction-market venues quote a crowd-implied probability or binary yes/no price, while betting exchanges and sportsbooks quote decimal odds, then apply commission or margin in different ways. That makes a 0% YES reading on Polymarket comparable only at the broadest level, because exchange pricing and fees can still leave a live but thin market elsewhere even when the crowd price is pinned to the floor.

For traders, the main catalysts are simple: confirm the line-up sheet, whether either club treats it as a full 90-minute run-out or a shorter pre-season exercise, and whether the fixture actually kicks off as scheduled at RheinEnergieStadion. Sofascore, ESPN and 365Scores all list the match around 7-8 August 2026, but their pages also show the usual pre-match uncertainty on live data and line-ups until close to kick-off.[3][6][9] A late cancellation, format change, or unusual friendly arrangement would matter more here than normal league-team form, because exact-score markets are highly sensitive to any change in minutes played or squad strength.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We read 1. FC Cologne vs. Real Sociedad San Sebastian - Exact Score from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.

Resolution & payout

Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.

UK Frequently Asked Questions

Polymarket vs Kalshi — which is better?

Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.

What does Polymarket cost vs Kalshi?

Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.

Is Betfair a Polymarket alternative?

Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.

Polymarket vs Betfair Exchange: which is better for UK prediction trading?

Betfair Exchange offers UKGC regulation, GBP settlement, and potentially tax-free winnings — but focuses on sports and politics only. Polymarket has deeper liquidity, 0% platform fee, global event coverage, and crypto/geopolitical markets Betfair doesn't offer. For UK traders: Betfair for regulated GBP sports markets; Polymarket for broader, global prediction events.

Is Kalshi available in the UK?

Kalshi is a US CFTC-regulated prediction exchange. UK residents can create accounts but must use USD and US payment methods. Kalshi's product range overlaps with Polymarket but with lower liquidity on most contracts. For UK traders, Polymarket typically offers better prices due to higher global volume.