Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
94% | 6% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
94% | 6% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 94% |
| Real Betis Balompié O/U 0.5 | 81% |
| O/U 1.5 | 77% |
| 2nd Half O/U 1.5 | 71% |
| Real Sociedad de Fútbol O/U 0.5 | 70% |
| 1st Half O/U 0.5 | 69% |
| Both Teams to Score | 57% |
| 2nd Half O/U 0.5 | 57% |
| O/U 2.5 | 53% |
| 2nd Half O/U 2.5 | 51% |
| Real Betis Balompié 1st Half O/U 0.5 | 50% |
| Both Teams to Score in Second Half | 50% |
| Real Betis Balompié 2nd Half O/U 0.5 | 50% |
| Real Betis Balompié 2nd Half O/U 1.5 | 50% |
| Real Sociedad de Fútbol 2nd Half O/U 0.5 | 50% |
| Real Sociedad de Fútbol 2nd Half O/U 1.5 | 50% |
| Real Betis Balompié O/U 1.5 | 47% |
| Real Sociedad de Fútbol 1st Half O/U 0.5 | 42% |
| Real Sociedad de Fútbol O/U 1.5 | 34% |
| 1st Half O/U 1.5 | 32% |
| O/U 3.5 | 30% |
| Real Betis Balompié (-1.5) | 23% |
| Both Teams to Score in First Half | 21% |
| Real Betis Balompié O/U 2.5 | 20% |
| Real Betis Balompié 1st Half O/U 1.5 | 16% |
| O/U 4.5 | 14% |
| 1st Half O/U 2.5 | 12% |
| Real Sociedad de Fútbol O/U 2.5 | 12% |
| Real Sociedad de Fútbol (-1.5) | 11% |
| Real Betis Balompié (-2.5) | 9% |
| Real Sociedad de Fútbol 1st Half O/U 1.5 | 9% |
| O/U 5.5 | 6% |
| Real Sociedad de Fútbol (-2.5) | 3% |
Market context
Real Betis Balompié vs. Real Sociedad de Fútbol - More Markets. The market is currently pricing the outcome at 23% YES, meaning crowd-implied probability sits at that level. Settlement is scheduled for 2026-08-21T19:00:00Z. Unlike a sportsbook, the price you see is set by buyers and sellers competing in a live order book — there is no house edge or bookmaker margin to fade.
Sports outcome markets resolve from official league data once the contest finishes. Pricing typically tightens through the warm-up window as line-ups, weather, and starting-pitcher data become public, then moves on goals or runs in real time.
Watch for the underlying catalysts that move this category: each official announcement, dataset release, or scheduled milestone generally produces a step change in the implied probability. Trades execute instantly on Polygon, and shares pay $1 each at resolution if your side wins.
Methodology
This page reviews Real Betis Balompié vs. Real Sociedad de Fútbol - More Markets across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi UK, which mirrors the Polymarket order book at 0% fees.
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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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 Real Betis Balompié vs. Real Sociedad de Fútbol - Mo… on Kalshi UK
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