Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Sport Prediction Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Sport Prediction → |
Polymarket polymarket.com |
100% | 0% | 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
| Map Handicap: SHK (-1.5) vs Alliance (+1.5) | 100% YES | 0% NO |
| Match Winner | 0% YES | 100% NO |
| Map 1 Winner | 0% YES | 100% NO |
| Map 2 Winner | 0% YES | 100% NO |
| O/U 2.5 Games | 0% YES | 100% NO |
| Map Handicap: ALL (-1.5) vs Sharks (+1.5) | 0% YES | 100% NO |
Market context
Alliance and Sharks will meet in the lower bracket quarterfinal of the Stake Ranked Episode 2 Playoffs on 29 May, with the winner advancing and the loser eliminated from the tournament. The match is scheduled for 8:30 AM ET and will be contested over a best-of-three series. Current market pricing reflects near-certainty for Alliance, though the settlement window extends to 20:25 UTC on the same day, allowing roughly twelve hours for the match to conclude before resolution.
The 100% implied probability warrants scrutiny given that lower-bracket Counter-Strike matches frequently produce upsets, particularly when teams face elimination pressure. Sharks have historically shown resilience in do-or-die scenarios, whilst Alliance's recent form in online qualifiers has been inconsistent. Comparable Stake Ranked fixtures from Episode 1 saw several favourites stumble when facing motivated underdogs in bracket play, suggesting the current odds may not fully price in variance inherent to single-elimination formats. Coaching adjustments or roster changes announced in the forty-eight hours before the match could materially shift team preparation and in-game execution.
Traders should monitor official Stake Ranked communications for any schedule shifts, which would trigger the seven-day delay clause. Player availability announcements—particularly regarding key riflers or IGL positions—carry outsized weight in lower-bracket matches where tactical cohesion breaks down under pressure. Recent coverage from esports desk reporters should clarify whether either team has rotated personnel or adjusted their map pool since their previous tournament appearances.
Methodology
We track Counter-Strike: Alliance vs Sharks (BO3) - Stake Ranked Episode 2 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
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
- 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.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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, Sport Prediction 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.
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