Dota 2: MOUZ vs Yellow Submarine (BO3) - The International Europe Closed Qualifier Playoffs

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Market context

MOUZ face Yellow Submarine in a best-of-three at the Europe Closed Qualifier playoffs, and the market’s current 0% YES implies the crowd is treating MOUZ as an overwhelming favourite or, more likely, the contract as having stale pricing rather than a clean live view of the matchup. The main handicapper’s read is that the consensus leans to MOUZ on paper, but a zeroed-out price is the sort of number that often invites a contrarian look if the market has not yet incorporated the actual series state or bracket progression.

The historical frame is not straightforward, but the last clearly documented meeting between the sides ended 2-0 to MOUZ at FISSURE Universe Episode 7 in October 2025, which supports a baseline edge for MOUZ if rosters and form are broadly similar.[1] Comparable head-to-head listings also show these teams have met before in official play, reinforcing that this is not an unknown matchup and that prior results can matter in assessing draft comfort and series dynamics.[3][4] Even so, single-series history in Dota 2 is thin evidence: patch changes, role swaps and qualifier pressure can overwhelm old H2H lines.

For traders, the key catalysts are whether the series is confirmed as played on schedule, whether the bracket timing changes, and whether any roster or substitute news lands before the 14:00 UTC settlement window. Live match listings already show the game scheduled for 08:00 GMT, which means the main risk is not abstract team strength but operational status: a delayed start, incomplete series, or administrative change could move settlement away from a straightforward win/loss read.[2] If the market remains at 0% YES while the match is actively underway, that is a strong signal to check for stale pricing, because the value case would sit on the side opposite the crowd rather than with it.

Sources: 1 · 2 · 3 · 4 · 5

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

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

Where can I trade this market with the lowest fees?

On Who Will Win, 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.

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.

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.

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.