Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
82% | 18% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
82% | 18% | 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 |
|---|---|
| Match Winner | 82% |
| Game 2 Winner | 75% |
| Game 1 Winner | 74% |
| Total Kills Over/Under 50.5 in Game 1? | 59% |
| First Blood in Game 2? | 57% |
| Both Teams Beat Roshan | 56% |
| Game Handicap: Iron Wing (-1.5) vs GamerLegion (+1.5) | 55% |
| First Blood in Game 1? | 55% |
| Any Player Ultra Kill | 54% |
| Total Kills Over/Under 50.5 in Game 2? | 54% |
| Ends in Daytime | 53% |
| Ends in Daytime | 52% |
| Ends in Daytime | 52% |
| Both Teams Destroy Barracks | 51% |
| Any Player Rampage | 51% |
| Total Kills Over/Under 55.5 in Game 2? | 42% |
| Total Kills Over/Under 55.5 in Game 1? | 41% |
| O/U 2.5 Games | 40% |
| Both Teams Beat Roshan | 32% |
| Both Teams Beat Roshan | 32% |
| Any Player Ultra Kill | 29% |
| Any Player Ultra Kill | 29% |
| Both Teams Destroy Barracks | 27% |
| Both Teams Destroy Barracks | 27% |
| Any Player Rampage | 11% |
| Any Player Rampage | 8% |
Market context
Iron Wing and GamerLegion will compete in a best-of-three elimination match at The International 2026, with the victor advancing and the loser exiting the tournament. The fixture is scheduled for 16 August at 01:00 ET, though the settlement window extends to 12:00 ET the same day, allowing a four-hour buffer for technical delays or scheduling adjustments. Either team's elimination would mark a significant early exit from Valve's flagship annual championship.
The 74% crowd probability favours Iron Wing, a positioning that reflects recent competitive standing rather than historical dominance. GamerLegion has qualified for The International multiple times but has struggled to maintain consistency in the lead-up to 2026, whilst Iron Wing secured stronger placements in regional qualifiers and demonstrated more stable roster cohesion through spring and summer tournaments. Head-to-head records between the two sides over the past eighteen months show Iron Wing winning roughly 60% of encounters, though Dota 2 meta shifts and patch changes can rapidly alter matchup dynamics.
Traders should monitor official tournament communications from The International organisers for any roster changes, stand-in announcements, or scheduling revisions before 16 August. Recent reporting from esports journalists covering the qualifier circuit has noted that GamerLegion's mid-lane player was managing a wrist injury during regional playoffs, though no official absence has been declared for the main event. Any last-minute coaching staff adjustments or player illness announcements in the 48 hours preceding the match could shift the implied probability, particularly if Iron Wing's support player—their primary playmaker—becomes unavailable.
Methodology
Sports-specific comparison page for Dota 2: Iron Wing vs GamerLegion (BO3) - The International Elimination Round. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
UK Frequently Asked Questions
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- 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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