Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Game 1 Winner | 100% |
| Ends in Daytime | 100% |
| Both Teams Beat Roshan | 100% |
| First Blood in Game 1? | 100% |
| Total Kills Over/Under 50.5 in Game 1? | 100% |
| Total Kills Over/Under 45.5 in Game 1? | 100% |
| Total Kills Over/Under 55.5 in Game 1? | 100% |
| Total Kills Over/Under 60.5 in Game 1? | 100% |
| First Blood in Game 2? | 99% |
| Match Winner | 82% |
| Game 2 Winner | 66% |
| Total Kills Over/Under 50.5 in Game 2? | 51% |
| Ends in Daytime | 50% |
| Both Teams Beat Roshan | 50% |
| Both Teams Destroy Barracks | 50% |
| Any Player Ultra Kill | 50% |
| Any Player Rampage | 50% |
| Total Kills Over/Under 55.5 in Game 2? | 50% |
| Total Kills Over/Under 45.5 in Game 2? | 50% |
| Total Kills Over/Under 60.5 in Game 2? | 50% |
| Total Kills Over/Under 65.5 in Game 2? | 50% |
| Both Teams Destroy Barracks | 0% |
| Any Player Ultra Kill | 0% |
| Any Player Rampage | 0% |
| Total Kills Over/Under 70.5 in Game 1? | 0% |
| Total Kills Over/Under 65.5 in Game 1? | 0% |
| Total Kills Over/Under 75.5 in Game 1? | 0% |
| Total Kills Over/Under 80.5 in Game 1? | 0% |
Market context
Team Spirit faces Team Nemesis in a Best-of-2 Dota 2 clash at the Esports World Cup Group C, scheduled for 2:00 PM UTC on 8 July 2026. With Spirit ranked #5 globally and having won four of their last five matches, the crowd-implied 100% YES probability for a Spirit victory reflects overwhelming confidence in their superior form and depth compared to Nemesis, who have won only three of their recent outings[1].
Historically, similar mismatches in elite Dota 2 tournaments—such as Spirit’s 2–0 sweep over MOUZ at Riyadh Masters 2026—have consistently resolved with near-total certainty for the higher-ranked side, mirroring the current market’s extreme skew[7]. In such cases, betting exchanges and prediction platforms rarely show meaningful variance, as whale flows and funding rates align tightly with the on-chain consensus, reinforcing the 100% settlement expectation[2].
Traders should monitor live match start confirmations via Strafe or Sofascore, as any delay beyond seven days or cancellation would trigger a 50-50 resolution, though no such risk is currently flagged[1][3]. Key catalysts include official Esports World Cup announcements on team readiness and any unexpected roster changes, which could shift macro sentiment if BTC or ETH volatility spikes during the settlement window[6]. For real-time odds and map-score probabilities, Bo3.gg remains the primary reference, currently pricing a 2–0 Spirit win at 1.44[2].
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
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
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
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