Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Sport Prediction Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Sport Prediction → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Sport Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Sport Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Sport Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Sport 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 Sport Prediction.
Active sub-markets
| Match Winner | 0% YES | 100% NO |
| Ends in Daytime | 0% YES | 100% NO |
| Both Teams Beat Roshan | 100% YES | 0% NO |
| Both Teams Destroy Barracks | 0% YES | 100% NO |
| Any Player Ultra Kill | 100% YES | 0% NO |
| Any Player Rampage | 0% YES | 100% NO |
Market context
OG and Xtreme Gaming are scheduled to meet in a best-of-one group stage fixture at the BLAST Slam on 26 May at 16:00 UTC. The match represents a significant test for both rosters as they navigate the tournament's preliminary rounds. OG, the two-time International champions, have undergone roster adjustments heading into 2026, whilst Xtreme Gaming remain a formidable Chinese outfit competing in the region's deepest competitive environment.
The 0% implied probability warrants scrutiny given OG's historical pedigree and recent tournament appearances. However, the confidence in OG's victory may be overstated without accounting for Xtreme Gaming's consistent performance against European teams in online qualifiers and their familiarity with the current patch iteration. Chinese Dota 2 teams have demonstrated improved consistency against Western squads throughout 2025, with several upsets documented in cross-regional fixtures. The binary nature of single-elimination matches—particularly best-of-ones—introduces inherent volatility that historical win rates alone cannot fully capture.
Traders should monitor team announcements regarding final roster confirmations and any last-minute coaching adjustments in the week preceding the fixture. The BLAST Slam's scheduling and potential fixture delays due to technical issues or administrative changes represent material risks to settlement. Additionally, patch updates released between now and the match date could disproportionately favour one team's hero pool or playstyle, particularly given the strategic divergence between European and Chinese Dota 2 approaches. Any roster changes or player illness announcements from either organisation would meaningfully alter the underlying matchup dynamics.
Methodology
This page reviews Dota 2: OG vs Xtreme Gaming (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 Sport Prediction — the application we operate, where you trade directly against the Polymarket order book at 0% fees.
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 Sport 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?
- Sport 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.
- What does it cost to trade on Sport Prediction?
- Zero. Sport Prediction 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.
- 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: OG vs Xtreme Gaming (BO1) - BLAST Slam Group… on Sport Prediction
Live order book, 0% fees, USDC settlement in seconds.
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