Dota 2: Level UP vs Yellow Submarine (BO3) - The International Europe Open Qualifier 1 Playoffs

Platform comparison

Active sub-markets

Market context

Level UP and Yellow Submarine are scheduled to compete in a Dota 2 quarterfinal match on 10 June as part of The International Europe Open Qualifier 1 Playoffs. The best-of-three format determines progression through the regional qualifier, which feeds into qualification pathways for The International, Valve's annual championship. The match is set for 09:00 ET, with settlement occurring at 19:10 UTC the same day, allowing approximately ten hours for completion and result confirmation.

The 0% implied probability on this contract reflects either extreme uncertainty about match occurrence or a technical pricing anomaly rather than genuine confidence in either team's elimination. Open qualifiers for The International typically feature volatile team composition and preparation levels; rosters shift between tournaments, and fixture cancellations or rescheduling occur with measurable frequency in regional European Dota 2 qualifying rounds. Historical precedent suggests that when prediction markets price European open-qualifier matches at extreme probabilities, the underlying cause is often scheduling ambiguity or incomplete roster confirmation rather than genuine competitive imbalance.

Traders should monitor official ESL or Valve announcements regarding fixture confirmation and any roster changes through 9 June. Recent European Dota 2 qualifying events have experienced delays and rescheduling, particularly when teams field stand-in players or encounter visa complications. The settlement window's 50-50 resolution clause for cancellations or delays beyond seven days creates material tail risk. Confirmation of both teams' final rosters and any official fixture postponement notices represent the primary catalysts affecting market movement before the scheduled start time.

Methodology

We track Dota 2: Level UP vs Yellow Submarine (BO3) - The International Europe Open Qualifier 1 Playoffs 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?

Best Prediction Markets UK 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.

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 Best Prediction Markets UK?

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

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Best Prediction Markets UK 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.