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Dota 2: Aurora vs Team Spirit (BO1) - BLAST Slam Group Stage

How the on-chain market is pricing "Dota 2: Aurora vs Team Spirit (BO1) - BLAST Slam Group Stage" right now, plus comparison with Kalshi, Betfair and Manifold.

100% YES 0% NO Volume: $533K Liquidity: $814K Closes: 27 May 2026
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Dota 2: Aurora vs Team Spirit (BO1) - BLAST Slam Group Stage

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
BTC Prediction Pick
polygram.ink
100% 0% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open on BTC Prediction →
Polymarket
polymarket.com
100% 0% 0% Geo-blocked in US/UK/EU USDC, on-chain Open on BTC Prediction →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Open on BTC Prediction →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Open on BTC Prediction →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Open on BTC Prediction →

Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on BTC Prediction.

Active sub-markets

Match Winner100% YES0% NO
Ends in Daytime100% YES1% NO
Both Teams Beat Roshan90% YES10% NO
Both Teams Destroy Barracks1% YES100% NO
Any Player Ultra Kill10% YES90% NO
Any Player Rampage10% YES90% NO

Market context

Traders on decentralised prediction markets give 100% probability to dota 2: aurora vs team spirit (bo1) - blast slam group stage. This market refers to the Dota 2 match between Aurora and Team Spirit in the BLAST Slam Group Stage, initially scheduled for May 27 at 11:00AM ET. This market will resolve to "Aurora" if Aurora win t…

Methodology

This page reads Dota 2: Aurora vs Team Spirit (BO1) - BLAST Slam Group Stage on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

FAQ

Where can I trade this market with the lowest fees?
On BTC Prediction, 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.
Is this market available outside the US?
BTC Prediction 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.
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.
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.
and

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Live order book, 0% fees, USDC settlement in seconds.

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