Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Scam? Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Scam? → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Scam? → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Scam? → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Scam? → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Scam? → |
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 Polymarket Scam?.
Active sub-markets
| Match Winner | 100% Team Refuser | 0% Game Master |
| Ends in Daytime | 100% YES | 0% NO |
| Game 1 Winner | 100% Team Refuser | 0% Game Master |
| Game 2 Winner | 100% Team Refuser | 0% Game Master |
| O/U 2.5 Games | 0% Over | 100% Under |
| Game Handicap: REF (-1.5) vs Game Master (+1.5) | 100% Team Refuser | 0% Game Master |
Market context
Team Refuser face Game Master in a lower bracket quarterfinal of the International China Closed Qualifier Playoffs, a best-of-three match scheduled for 17 June at 12:00 AM ET. The winner advances in the regional qualifier pathway toward The International, Dota 2's premier annual championship. Polymarket currently prices this contract at 100% YES, implying certainty that the match will be played and resolved to either team rather than cancelled, delayed beyond seven days, or ending in a tie. This extreme pricing reflects either exceptional confidence in match execution or sparse liquidity in the conditional token pair on Polygon.
Chinese Dota 2 qualifiers have historically demonstrated reliable scheduling adherence, though fixture delays of 24–48 hours occur occasionally without triggering the 7-day cancellation threshold. Game Master and Team Refuser both compete regularly in the Chinese competitive circuit, reducing the likelihood of team dissolution or withdrawal mid-tournament. Previous International qualifiers have seen matches proceed as scheduled unless major platform outages or visa complications emerged—neither currently reported for this event.
Traders should monitor official announcements from PGL or the Chinese Dota 2 governing body for any fixture rescheduling beyond the 7-day buffer, which would flip the contract to 50-50 settlement. Team roster confirmations and player availability statements typically surface 48 hours before playoff matches. The current 100% pricing leaves no margin for operational risk; any credible postponement news would create immediate arbitrage opportunities as the conditional YES token reprices downward.
Methodology
We track Dota 2: Team Refuser vs Game Master (BO3) - The International China Closed Qualifier Playoffs on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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 Polymarket Scam?, 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?
- Polymarket Scam? 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.
- 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Scam? triggers a quick verification flow that finishes in minutes.
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