Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi UK → |
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 Kalshi UK.
Active sub-markets
| Match Winner | 100% YES | 0% NO |
| Ends in Daytime | 100% YES | 0% NO |
| Both Teams Beat Roshan | 100% YES | 0% NO |
| Both Teams Destroy Barracks | 0% YES | 100% NO |
| Any Player Ultra Kill | 0% YES | 100% NO |
| Any Player Rampage | 0% YES | 100% NO |
Market context
Polymarket's conditional token pricing reflects near-certainty that Aurora will defeat Team Spirit in this BLAST Slam Group Stage best-of-one fixture on 27 May. The market has settled at 100% YES, pricing Aurora's victory at maximum confidence whilst Team Spirit's win probability sits at effectively zero. This extreme skew suggests either substantial pre-match intelligence regarding roster availability, recent form data, or perceived skill gaps between the two squads has driven traders toward Aurora across USDC liquidity pools on Polygon.
Team Spirit's historical pedigree complicates the current pricing. The Russian organisation won The International 11 in 2022 and has consistently fielded competitive rosters across major tournaments, though their recent campaign results have been mixed. Aurora, by contrast, represents a newer competitive entity with less established track record at tier-one events. Historical precedent suggests that established organisations with proven tournament experience rarely trade at zero-probability odds, even against favourable matchups. The 100% reading warrants scrutiny against comparable Dota 2 group-stage markets where favourites have occasionally underperformed despite superior seeding.
Traders should monitor BLAST's official schedule confirmation through 26 May, as any roster changes, stand-in announcements, or last-minute withdrawals could trigger settlement complications under the market's forfeiture clause. Recent ESL and BLAST communications regarding Dota 2 events have occasionally featured schedule adjustments within 48 hours of matches. The seven-day delay threshold for 50-50 resolution creates a secondary risk vector; any technical issues or venue complications extending beyond 3 June would trigger split settlement regardless of eventual outcome.
Methodology
This page reviews Dota 2: Aurora vs Team Spirit (BO1) - BLAST Slam Group Stage across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Kalshi UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Is this market available outside the US?
- Kalshi 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 Kalshi UK?
- Zero. Kalshi 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, Kalshi 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.
Trade Dota 2: Aurora vs Team Spirit (BO1) - BLAST Slam Gro… on Kalshi UK
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