Dota 2: OG vs Xtreme Gaming (BO1) - BLAST Slam Group Stage

Platform comparison

Active sub-markets

Market context

OG and Xtreme Gaming are scheduled to meet in a best-of-one group stage match at the BLAST Slam Dota 2 tournament on 26 May at 11:00 AM ET. The 0% implied probability for OG victory suggests the crowd has assigned near-total confidence to Xtreme Gaming, an assessment that warrants scrutiny given OG's historical standing in competitive Dota 2 and the volatility inherent in single-game formats.

OG's track record includes two International titles and consistent qualification for major tournaments, though the organisation has experienced roster transitions and variable form across 2024 and early 2025. Xtreme Gaming, a Chinese-region squad, operates within a competitive ecosystem where regional strength fluctuates significantly. The 0% probability for OG reflects either decisive recent form data favouring Xtreme Gaming or a structural undervaluation of OG's capability in a one-off match. Historical precedent suggests that established organisations rarely face such extreme probability discounts unless facing demonstrable skill gaps or roster disadvantages; the absence of recent public roster changes or injury announcements makes the current pricing worth examining for contrarian positioning.

Traders should monitor final roster confirmations and any schedule adjustments closer to the 26 May fixture. BLAST tournament announcements typically confirm team line-ups 48–72 hours before group stage matches. Recent form data from regional qualifiers and preceding tournaments would clarify whether Xtreme Gaming has established clear dominance or whether the probability reflects incomplete information. Any delays beyond the 7-day window trigger a 50-50 resolution, introducing additional settlement risk.

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

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

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.

Is this market available outside the US?

Who Will Win 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.

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.