Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| Game 1 Winner | 100% |
| Game 2 Winner | 100% |
| Match Winner | 100% |
| Game Handicap: ILL (-1.5) vs Team Syntax (+1.5) | 100% |
| Ends in Daytime | 100% |
| Both Teams Beat Roshan | 100% |
| Both Teams Beat Roshan | 90% |
| Ends in Daytime | 50% |
| Both Teams Beat Roshan | 50% |
| Both Teams Destroy Barracks | 50% |
| Any Player Ultra Kill | 50% |
| Any Player Rampage | 50% |
| Any Player Ultra Kill | 10% |
| Any Player Rampage | 10% |
| Both Teams Destroy Barracks | 1% |
| O/U 2.5 Games | 0% |
| Both Teams Destroy Barracks | 0% |
| Any Player Ultra Kill | 0% |
| Any Player Rampage | 0% |
| Ends in Daytime | 0% |
Market context
Ilbirs eSports face Team Syntax in a best-of-three Group A match at EPL Masters I, an online Dota 2 event with a scheduled start around 12:00 UTC and a settlement deadline that allows for up to seven days of delay before the market would flip to 50-50 if the series is not decided. The current crowd price of 100% YES on Ilbirs is much stronger than the pre-match consensus on other esports boards, where the same fixture was still being priced as close to a coin flip earlier in the day.[1][2][3][13][15]
That gap matters because these markets often overstate certainty in a scheduled online series that can still be affected by server issues, roster changes, or administrative rulings. The strongest comparable read is their recent head-to-head: Team Syntax beat Ilbirs 2-0 in July in EPL-style play, but later coverage of this tournament says Ilbirs returned the favour with a 2-0 win in the Group A stage, which shows the pairing has already swung both ways this summer.[3][8][17] Public match pages also show Team Syntax arriving with a stronger tournament record in Group A, including technical wins and a first-place position in some live standings, so a full-price YES on Ilbirs implies the market is leaning heavily on late information rather than the broader form picture.[14][16][18]
For traders, the main catalysts are straightforward: whether the series starts on time, whether either roster is substituted or forfeits, and whether the live broadcast or result feeds confirm completion inside the settlement window. Because the market settles in USDC, the practical risk is not just competitive outcome but event integrity and official resolution, so any late schedule change or admin decision is more important here than BTC or ETH direction unless broader crypto volatility spills into market-making or liquidity.[1][4][5]
Methodology
This page reads Dota 2: Ilbirs eSports vs Team Syntax (BO3) - EPL Masters Group A 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 does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- 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%.
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