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 meet in the Quarterfinal 4 of The International Europe Open Qualifier 1 Playoffs, a best-of-three Dota 2 fixture scheduled for 10 June at 09:00 ET. The winner advances toward qualification for The International, Valve's annual championship. The current crowd-implied probability sits at 0% for Level UP, suggesting either overwhelming confidence in Yellow Submarine or minimal trading volume at present.

European Dota 2 open qualifiers have historically produced volatile results, particularly when lesser-known rosters face one another in early playoff stages. Teams competing in these brackets often lack consistent scrim data and recent LAN results, making historical win rates unreliable predictors. Yellow Submarine's presence in the quarterfinals indicates they cleared the group stage, but this alone does not guarantee dominance in a single-elimination format where preparation and momentum matter substantially. A 0% implied probability for Level UP reflects either a significant skill gap documented in prior meetings or an absence of meaningful market liquidity, both of which warrant scrutiny before settlement.

Traders should monitor team roster confirmations and any last-minute substitutions up to the scheduled start time, as stand-ins have altered expected performance in previous European qualifiers. Patch notes released between now and 10 June could favour one team's hero pool or playstyle over the other. The settlement window closes at 19:10 UTC on 10 June; any delay beyond seven days without a completed result triggers a 50-50 resolution, a meaningful tail risk given infrastructure inconsistencies in some regional qualifier broadcasts.

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 Who Will Win, 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

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.

What does it cost to trade on Who Will Win?

Zero. Who Will Win 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, Who Will Win triggers a quick verification flow that finishes in minutes.