Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
93% | 7% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
93% | 7% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Match Winner | 93% |
| Game 2 Winner | 87% |
| Game 1 Winner | 86% |
| Game Handicap: VSN (-1.5) vs Team Resilience (+1.5) | 76% |
| Any Player Ultra Kill | 57% |
| Any Player Rampage | 55% |
| Both Teams Beat Roshan | 54% |
| Total Kills Over/Under 50.5 in Game 2? | 53% |
| Ends in Daytime | 52% |
| Ends in Daytime | 52% |
| Ends in Daytime | 52% |
| Both Teams Destroy Barracks | 51% |
| First Blood in Game 1? | 50% |
| First Blood in Game 2? | 50% |
| Total Kills Over/Under 50.5 in Game 1? | 41% |
| Both Teams Beat Roshan | 40% |
| Both Teams Beat Roshan | 40% |
| Any Player Ultra Kill | 37% |
| Any Player Ultra Kill | 37% |
| Both Teams Destroy Barracks | 32% |
| Both Teams Destroy Barracks | 32% |
| O/U 2.5 Games | 24% |
| Any Player Rampage | 12% |
| Any Player Rampage | 12% |
Market context
Traders on decentralised prediction markets give 93% probability to dota 2: team vision vs team resilience (bo3) - the international group stage. This market refers to the Dota 2 Round 1 match between TEAM VISION and Team Resilience in the The International Group Stage, initially scheduled for August 12 at 10:00PM ET. This market will resolve …
Methodology
We track Dota 2: TEAM VISION vs Team Resilience (BO3) - The International Group Stage across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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 does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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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