Dota 2: BoomBoys vs OG (BO3) - The International Group Stage

Platform comparison

Market context

BoomBoys and OG will compete in a best-of-three Dota 2 match during The International group stage on 12 August at 10:00 PM ET. The current crowd-implied probability of 68% favours BoomBoys, suggesting market participants view them as clear favourites in this opening fixture. The settlement window closes on 13 August at 08:00 UTC, allowing approximately 22 hours from the scheduled start time for the match to conclude.

Historical precedent from recent International tournaments indicates that group-stage upsets occur in roughly 25–30% of matches involving seeded teams, though BoomBoys' regional standing and recent LAN performance provide substantive grounds for the elevated probability. OG's qualification path and roster continuity relative to prior seasons merit scrutiny; the organisation has historically performed better in knockout stages than early group play. Comparable matchups between established regional representatives and tier-one European squads at previous Internationals have typically resolved within the 60–70% confidence band, positioning this market's current odds within expected ranges.

Traders should monitor roster confirmations and any last-minute schedule adjustments, as The International's format occasionally shifts timings due to broadcast requirements or technical issues. Recent esports reporting from Liquipedia and official Valve announcements will clarify final seeding and group assignments. Injury or stand-in availability for either squad could materially shift the probability; such developments typically emerge 24–48 hours before match time. The 50-50 resolution clause for cancellations or delays exceeding seven days introduces tail risk, though major tournaments rarely invoke such provisions.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

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 Kalshi vs Polymarket trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.