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

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Active sub-markets

Market context

Aurora and OG face off in a best-of-one group stage match at the BLAST Slam Dota 2 tournament on 29 May at 6:20 AM ET. The crowd-implied probability sits at 100% for Aurora, suggesting near-certainty in the market. This extreme confidence warrants scrutiny, particularly given the settlement window closes at 16:10 UTC on the scheduled date—a tight six-hour window that leaves minimal buffer for delays or technical complications that could trigger the 50-50 tie resolution clause.

OG's historical standing in Dota 2 provides essential context for reading this probability. The organisation has won two International titles and remains a fixture in top-tier competition, yet has experienced roster volatility and inconsistent group-stage performances in recent seasons. Aurora, conversely, represents a less established entity in the competitive hierarchy. The 100% implied probability suggests the market is pricing in either Aurora's recent form advantage or OG's anticipated absence or withdrawal—factors that would need confirmation through official tournament announcements.

Traders should monitor BLAST's official communications for any roster changes, stand-in declarations, or scheduling adjustments in the 48 hours preceding the match. Dota 2 tournaments occasionally experience last-minute format shifts or player availability issues that affect group stage fixtures. The early morning ET start time also increases the risk of technical delays or broadcast complications that could push resolution toward the tie outcome. Confirmation of both teams' participation and line-ups remains the critical catalyst before settlement.

Methodology

We track Dota 2: Aurora vs OG (BO1) - BLAST Slam Group Stage on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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

Is this market available outside the US?

Who Will Win 2026 is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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'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.

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.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.