Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
70% | 30% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
70% | 30% | 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 |
|---|---|
| Match Winner | 70% |
| Map 1 Winner | 65% |
| Map 2 Winner | 51% |
| Map Handicap: ICE (-1.5) vs Iberian Soul (+1.5) | 50% |
| Map 1 Total Rounds: Over/Under 21.5 | 50% |
| Map 2 Rounds Handicap: Inner Circle Esports (-3.5) vs Iberian Soul (+3.5) | 50% |
| Map 2 Total Rounds: Over/Under 21.5 | 50% |
| Map 3 Total Rounds: Over/Under 21.5 | 50% |
| O/U 2.5 Games | 46% |
Market context
Inner Circle Esports and Iberian Soul are scheduled to play a best-of-three in the Esports World Cup Open Qualifier Play-Ins, with live listings showing a 09:00 UTC start and market venues already pricing the fixture as underway or imminently starting.[1][7][10][11] The crowd-implied **65%** for Inner Circle is broadly in line with other public screens: Strafe shows Inner Circle around **85.6%** of user votes, while CS2Predict and Bitget Wallet both lean to Inner Circle at roughly the high-60s level.[8][10][11]
For context, the cleanest read on a 65% spot in CS2 is that it implies a clear but not dominant edge, often consistent with a stronger name in a single elimination qualifier rather than a mismatch. Iberian Soul have a recent match record in the same qualifying ecosystem, and the tournament pages place both sides in the wider Esports World Cup open-qualifier slate rather than a closed, seeding-protected bracket, which increases variance versus top-tier LAN play.[4][6][7][15] Where prediction markets in esports move on match-listing certainty, that usually reflects roster stability and schedule confirmation more than any deep statistical edge.
The main catalysts are whether the match starts on time, whether either team posts a roster change, and whether the official bracket advances as scheduled; the market resolves to 50-50 if the match is not played, is tied, or slips beyond seven days without a winner.[1][2] Traders should also watch broader CS2 liquidity and risk sentiment: on-chain markets settle in USDC, so the contract itself is insensitive to BTC or ETH moves, but crypto market stress can still affect overall prediction-market participation and order-book depth. Public pages currently show active volume on the event, which suggests the final print may move if there is a late schedule update or a confirmed walkover.[3][11]
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
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%.
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