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

Platform comparison

Active sub-markets

Market context

Aurora and Team Spirit are scheduled to compete in a best-of-one Dota 2 match on 27 May at 11:00 AM ET as part of the BLAST Slam Group Stage tournament. The current market probability sits at 100% for a decisive result, reflecting confidence that the match will proceed as scheduled and produce a winner rather than face cancellation, postponement beyond the seven-day window, or a tied outcome.

Team Spirit represents the stronger historical precedent in this matchup. The Russian organisation has established itself as a consistent top-tier competitor in professional Dota 2, with multiple Major and International appearances, whilst Aurora operates at a lower competitive tier. Historical head-to-head records and recent tournament placements suggest Team Spirit enters as the favoured side, though the 100% probability assigned to a match occurring—rather than to either team's victory—indicates traders are primarily pricing certainty around fixture completion rather than outcome prediction.

The critical catalyst for market movement would be any official announcement from BLAST or the participating organisations regarding scheduling changes, roster complications, or technical issues affecting the tournament infrastructure. Traders should monitor BLAST's official channels and Dota 2 esports news outlets for fixture updates in the 48 hours preceding the scheduled start time. Given the tournament's established status and professional infrastructure, the probability of cancellation or extended delay remains low, which explains the market's confidence in a match occurring. Any withdrawal by either team or venue complications would trigger immediate resolution uncertainty.

Methodology

This page tracks Dota 2: Aurora vs Team Spirit (BO1) - BLAST Slam Group Stage across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. Election Predictions UK routes every trade through to Polymarket — at 0% fees.

Resolution & payout

For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.

FAQ

Where can I trade this market with the lowest fees?

On Election Predictions UK, 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.

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.