Dota 2: Team Spirit vs OG (BO3) - BLAST Slam Last Chance Qualifier

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Active sub-markets

Market context

Team Spirit and OG meet in the quarterfinals of the BLAST Slam Last Chance Qualifier, a best-of-three elimination match scheduled for 30 May at 8:00 AM ET. The winner advances to the semi-finals of this secondary qualification pathway; the loser is eliminated from the tournament entirely. Both teams are competing for a final route into the main BLAST event after missing direct invitations.

The 100% implied probability reflects Team Spirit's superior recent form and roster stability heading into May. Team Spirit finished the 2024 Dota Pro Circuit season ranked higher than OG and have maintained their core five-player lineup through the off-season, whilst OG underwent coaching changes and roster adjustments in early 2025. Historical precedent suggests that teams entering last-chance qualifiers with intact rosters and momentum tend to convert quarterfinal advantages at high rates, though upsets remain possible when preparation gaps exist. OG's pedigree—two International titles and consistent top-eight finishes—means they cannot be discounted entirely, but their recent results and transition period have eroded their standing relative to Spirit.

Traders should monitor official BLAST announcements regarding match scheduling, as any postponement beyond 7 days from 30 May triggers a 50-50 resolution. Roster confirmations and any last-minute stand-ins should be tracked through esports news outlets such as Liquipedia and team social channels, as absences of key players could shift the competitive balance. The settlement window closes at 18:00 UTC on 30 May, allowing only the scheduled match window for completion before resolution rules apply.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Sport Prediction, which mirrors the Polymarket order book directly.

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

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.

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.