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% |
| Game 2 Winner | 100% |
| Match Winner | 100% |
| Ends in Daytime | 100% |
| Both Teams Beat Roshan | 100% |
| Ends in Daytime | 100% |
| Both Teams Beat Roshan | 100% |
| Any Player Ultra Kill | 100% |
| Any Player Rampage | 100% |
| First Blood in Game 1? | 100% |
| First Blood in Game 2? | 100% |
| Total Kills Over/Under 55.5 in Game 2? | 100% |
| Total Kills Over/Under 50.5 in Game 1? | 100% |
| Total Kills Over/Under 45.5 in Game 1? | 100% |
| Game Handicap: RE (-1.5) vs PlayTime (+1.5) | 100% |
| Total Kills Over/Under 50.5 in Game 2? | 100% |
| Total Kills Over/Under 60.5 in Game 2? | 100% |
| Total Kills Over/Under 65.5 in Game 2? | 100% |
| Total Kills Over/Under 70.5 in Game 2? | 100% |
| Total Kills Over/Under 80.5 in Game 2? | 100% |
| Total Kills Over/Under 75.5 in Game 2? | 100% |
| Ends in Daytime | 50% |
| Both Teams Beat Roshan | 50% |
| Both Teams Destroy Barracks | 50% |
| Any Player Ultra Kill | 50% |
| Any Player Rampage | 50% |
| Both Teams Destroy Barracks | 1% |
| Any Player Ultra Kill | 1% |
| Any Player Rampage | 1% |
| Both Teams Destroy Barracks | 1% |
| Total Kills Over/Under 55.5 in Game 1? | 1% |
| Total Kills Over/Under 60.5 in Game 1? | 1% |
| Total Kills Over/Under 65.5 in Game 1? | 1% |
| Total Kills Over/Under 85.5 in Game 2? | 1% |
| O/U 2.5 Games | 0% |
| Game Handicap: PlayTime (-1.5) vs Rune Eaters (+1.5) | 0% |
Market context
Rune Eaters vs PlayTime is a live Dota 2 best-of-three in Games of the Future Group B, and the market is effectively pricing a near-certain Rune Eaters win at 100% YES. That extreme crowd view matters because the event has already been listed as underway on esports trackers, with one live score source showing the match start at 08:00 UTC and another noting it as a Group Stage BO3, so the contract is being traded against an in-play or near-resolution state rather than a distant fixture.[2][4][12]
The historical frame is mixed: Rune Eaters have been cited as winning four of their last five matches, but they are also described as the underdog by bookmakers, with lower world-ranking placements than PlayTime in multiple previews.[1][5][6] Comparable cases in Dota prediction markets tend to flip fast when a heavily favoured side is later confirmed with a map lead, but they can also gap sharply if the published bracket or live scoreboard is wrong, so the key read is whether the market is reflecting actual match state or just delayed venue data.[2][3][12]
Traders should watch for organiser updates on the official series status, because the settlement language means a cancellation, tie, or delay beyond seven days would resolve to 50-50 rather than a straight team win.[3] On the crypto side, this market settles in USDC, so BTC and ETH conditions matter mainly through venue-wide risk appetite and funding tone rather than direct match fundamentals; if spot weakness or leveraged de-risking hits broader prediction-market liquidity, it can affect how quickly the price stays pinned even when the esports result looks decided.
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.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- 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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