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

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Market context

BetBoom Team face Team Spirit in a single-elimination Dota 2 match at the BLAST Slam Group Stage on 26 May, with the fixture scheduled for 1:20 PM ET. The 85% implied probability favours BetBoom, reflecting their recent form and perceived roster strength heading into the tournament. No roster changes or injury announcements have emerged in the past 48 hours that would alter the baseline competitive assessment.

Team Spirit won the International 11 in 2022 and remain a top-tier CIS region side, though their 2024–2025 season has been marked by inconsistent placements across regional and international events. BetBoom has consolidated a stronger record in recent months, particularly in Eastern European qualifiers. Direct head-to-head records between these teams across 2024 favour neither decisively, but BetBoom's recent tournament finishes—particularly in open qualifiers and regional events—have been more stable. The 85% probability reflects this performance gap rather than a dominant historical advantage.

Watch for last-minute roster confirmations or stand-in announcements before the 1:20 PM ET start time, as both organisations have fielded substitute players in prior BLAST events. Technical delays are common in online group stages; the seven-day resolution window provides substantial buffer, though matches rarely extend beyond 48 hours without completion. Stream availability and official BLAST communications should confirm fixture status by 26 May morning. Any withdrawal or postponement announcement would trigger the 50-50 resolution clause.

Methodology

This page reviews Dota 2: BetBoom Team vs Team Spirit (BO1) - BLAST Slam Group Stage across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Prediction Today — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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

Where can I trade this market with the lowest fees?

On Prediction Today, 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.

Is this market available outside the US?

Prediction Today 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.