Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative UK) Pick polygram.ink (preferred broker) |
72% | 28% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
72% | 28% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 2.5 Games | 72% |
| Game 1 Winner | 63% |
| Match Winner | 55% |
| First Blood in Game 1? | 52% |
| Ends in Daytime | 50% |
| Both Teams Beat Roshan | 50% |
| Both Teams Destroy Barracks | 50% |
| Any Player Ultra Kill | 50% |
| Any Player Rampage | 50% |
| Ends in Daytime | 50% |
| Both Teams Beat Roshan | 50% |
| Both Teams Destroy Barracks | 50% |
| Any Player Ultra Kill | 50% |
| Any Player Rampage | 50% |
| Ends in Daytime | 50% |
| Both Teams Beat Roshan | 50% |
| Both Teams Destroy Barracks | 50% |
| Any Player Ultra Kill | 50% |
| Any Player Rampage | 50% |
| First Blood in Game 2? | 50% |
| Total Kills Over/Under 55.5 in Game 1? | 50% |
| Total Kills Over/Under 55.5 in Game 2? | 50% |
| Total Kills Over/Under 60.5 in Game 1? | 50% |
| Total Kills Over/Under 50.5 in Game 1? | 50% |
| Total Kills Over/Under 65.5 in Game 1? | 50% |
| Game 2 Winner | 49% |
| Game Handicap: Liquid (-1.5) vs Iron Wing (+1.5) | 49% |
Market context
Iron Wing face Team Liquid in a best-of-three Dota 2 encounter during The International group stage on 15 August 2026. The Polymarket contract currently prices Iron Wing's victory at 22 cents per share, implying roughly a one-in-five chance of the underdog prevailing. Settlement occurs at 12:00 UTC on 15 August, with conditional tokens on Polygon tracking outcomes across USDC collateral. A 50-50 resolution applies if the match is cancelled outright or concludes in a draw, though neither outcome is typical for International group play.
Team Liquid's historical dominance in Dota 2 provides the foundation for current pricing. The organisation has secured multiple International medals and maintains consistent top-four finishes at the tournament; their group-stage record typically reflects that pedigree. Iron Wing, by contrast, represents a newer or regionally-based roster with limited International appearances. When established powerhouses face emerging teams in group play, crowd-implied probabilities of 20–25% for the challenger often reflect realistic upset potential rather than overconfidence in the favourite.
Traders should monitor roster confirmations and any schedule adjustments announced by the Dota 2 International organisers in the weeks prior to 15 August. Injury, visa delays, or technical issues have occasionally forced postponements; the contract permits rescheduling until 29 August. Recent patch notes and hero meta shifts in the lead-up to the tournament will also influence team preparation and confidence levels. Watch for any public statements from either camp regarding bootcamp performance or scrim results, which can signal momentum shifts before the match begins.
Methodology
This page reviews Dota 2: Iron Wing vs Team Liquid (BO3) - The International Group Stage 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 Polymarket Alternative UK, which mirrors the Polymarket order book at 0% fees.
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
- 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 Polymarket Alternative UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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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