Dota 2: Team Spirit vs Aurora (BO3) - DreamLeague Playoffs

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Market context

Team Spirit and Aurora meet in an upper-bracket Dota 2 playoff series, with the market leaning to Spirit at 67% yes. The price is in line with recent results and the head-to-head: Spirit beat Aurora 2-0 in DreamLeague Season 29 on 14 May, and the two sides’ recent meetings have tilted towards Spirit even though the longer sample is less one-sided. That tension matters because Aurora’s broader half-year form is stronger, while Spirit have looked sharper in the last month and have tended to convert the matchup into clean series rather than long, messy bo3s.

For traders, the main watchpoints are line-up confirmation, any draft or role changes, and whether both teams arrive with full squads after a tight play-off schedule. Sofascore listed the match for 21 May at 17:00 UTC, and BO3.gg also flagged the same start time for DreamLeague Season 29. If either side shows a substitute, that would be the clearest reason to reassess the current probability. In a series like this, the market is usually driven less by league context than by whether Spirit can reproduce the recent 2-0 level and whether Aurora can force the longer map count that their overall form suggests is possible.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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?

PolyGram 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 PolyGram?

Zero. PolyGram 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, PolyGram 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.