Dota 2: Aurora vs OG (BO1) - BLAST Slam Group Stage

Platform comparison

Active sub-markets

Market context

Aurora and OG will meet in a best-of-one match during the BLAST Slam Group Stage on 29 May at 6:20 AM ET. The fixture represents a significant test for both rosters, with OG entering as the established International-winning organisation whilst Aurora, the CIS-region representative, seeks to prove competitive standing against top-tier European opposition in a single-elimination format where momentum cannot be regained across multiple games.

The 100% implied probability warrants scrutiny given the historical volatility of single-game Dota 2 matchups at international events. OG's recent performances have been inconsistent; the organisation cycled through roster changes heading into 2024, and whilst they retain institutional credibility, their qualification for BLAST Slam itself was not automatic. Aurora qualified through regional qualification and have demonstrated capability against established teams in online qualifiers, though their LAN pedigree remains limited. Single-game formats historically favour teams with superior preparation and mental resilience rather than raw skill differential alone—a dynamic that has produced upsets at events like ESL Pro League and The International itself.

Traders should monitor roster confirmations through late May, particularly any last-minute substitutions or coaching adjustments from either camp. BLAST's official schedule and any venue-related delays affecting the 6:20 AM ET start time could trigger the seven-day cancellation clause. Recent reporting from Esports Observer noted that CIS teams have faced logistical complications reaching European LAN events; any travel disruptions would materially affect Aurora's preparation window. OG's coaching staff composition and whether they deploy their full competitive roster rather than experimental lineups will signal their commitment level to the group stage.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On Sport Prediction, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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 it cost to trade on Sport Prediction?

Zero. Sport Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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?

Not under $1,500 of lifetime trading volume. Above that threshold, Sport Prediction triggers a quick verification flow that finishes in minutes.