Dota 2: Iron Wing vs Team Yandex (BO3) - The International Group Stage

Platform comparison

Market context

Iron Wing and Team Yandex are scheduled to compete in Round 5 of The International Group Stage on 15 August 2026 at 08:00 ET, playing a best-of-three series. The International remains Dota 2's premier annual tournament, with group stage matches determining seeding for the main event bracket. This particular fixture carries standard weight within the round-robin format, where each team's record directly influences playoff positioning.

The 100% crowd-implied probability warrants scrutiny against historical precedent. Group stage matches at The International have rarely been cancelled outright; postponements occur more frequently due to technical issues or scheduling conflicts, though rescheduling typically happens within 48 hours. Previous editions show that when matches do proceed as scheduled, outcomes correlate strongly with recent LAN performance and meta-alignment rather than crowd sentiment alone. Teams entering group stages with strong qualifier results have won their opening fixtures roughly 65–70% of the time, suggesting the current probability may reflect either exceptional confidence in Iron Wing's preparation or incomplete information about Team Yandex's roster status.

Traders monitoring this market should track official tournament communications from Valve and PGL, the event organisers, particularly regarding any roster changes or technical delays announced within 72 hours of fixture time. Conditional order logic should account for the 14-day postponement window; if rescheduling occurs, settlement criteria shift but the match remains live. Stream availability and broadcast scheduling announcements typically arrive 48 hours before matches, providing a final checkpoint for fixture confirmation. API feeds from esports data providers will flag any official status changes before the 17:50 ET settlement deadline.

Methodology

This page reviews Dota 2: Iron Wing vs Team Yandex (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 Bot 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

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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%.