Dota 2: Team Spirit vs Xtreme Gaming (BO3) - The International Group Stage

Platform comparison

Market context

Team Spirit, the 2022 International champions, face Xtreme Gaming in a best-of-three opening match at The International group stage on 13 August. The 63% implied probability favours Team Spirit, reflecting their status as one of Dota 2's most consistent top-tier organisations. Xtreme Gaming, a Chinese squad, enters as the underdog but carries the unpredictability typical of regional qualifiers who advance through lower-bracket routes. The match begins at 01:00 ET, a timing that historically affects viewership-driven market liquidity on Western platforms.

Team Spirit's recent form and roster stability provide the foundation for the current odds. They've maintained core personnel through 2024 and secured direct invitations to majors, whereas Xtreme Gaming qualified through the Chinese regional qualifier. Historical precedent suggests that direct invites at The International convert to victories roughly 70–75% of the time against qualifier teams in early group stages, though this varies sharply depending on patch familiarity and meta alignment. The current 63% sits slightly conservative relative to that baseline, suggesting some market participants weight Xtreme Gaming's regional strength or recent bootcamp performance.

Traders should monitor patch notes released before 13 August and any last-minute roster confirmations, as Dota 2 meta shifts can disproportionately favour specific team compositions. Team Spirit's scrim results and public practice matches in the days prior will signal confidence levels. The settlement window closes immediately after the scheduled match time, leaving minimal window for delays; any postponement beyond 7 days triggers a 50-50 resolution, a tail risk worth pricing in given occasional technical disruptions at The International venue.

Methodology

We track Dota 2: Team Spirit vs Xtreme Gaming (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.

FAQ

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 PolyGram. 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.

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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.