Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Best Prediction Markets Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Best Prediction Markets → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Best Prediction Markets → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Best Prediction Markets → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Best Prediction Markets → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Best Prediction Markets → |
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 Best Prediction Markets.
Active sub-markets
| Map 1 Winner | 0% BetBoom Team | 100% Vitality |
| Map 2 Winner | 0% BetBoom Team | 100% Vitality |
| Match Winner | 0% BetBoom Team | 100% Vitality |
| O/U 2.5 Games | 0% Over | 100% Under |
| Map Handicap: VIT (-1.5) vs BetBoom Team (+1.5) | 100% Vitality | 0% BetBoom Team |
| Map 1 Rounds Handicap: Vitality (-3.5) vs BetBoom Team (+3.5) | 100% Vitality | 0% BetBoom Team |
Market context
BetBoom Team face Vitality in a Counter-Strike best-of-three match during the IEM Cologne Major Stage 3 on 14 June, with the fixture scheduled for 10:30 AM ET. The match represents a Round 4 elimination contest at one of the year's premier international tournaments. Vitality enter as the higher-ranked side in most recent rankings, though both teams have demonstrated inconsistent form across 2024 LAN events. The 0% crowd-implied probability suggests either extreme confidence in Vitality or minimal trading activity on this particular contract relative to other esports markets.
Historical precedent indicates that major tournament matches between established European rosters rarely settle at such extreme probabilities unless one team has withdrawn or suffered a documented roster collapse. Vitality's recent performances at tier-one events show mixed results—strong showings interspersed with unexpected losses to mid-tier opposition. BetBoom, whilst ranked lower, have secured upset victories against comparable opponents in 2024, making a 0% probability mathematically inconsistent with typical sportsbook lines for such matchups, which generally reflect 60–70% implied probability for the favoured side.
Traders should monitor official ESL announcements regarding any schedule changes, player availability, or technical delays that could trigger the 7-day postponement clause. Recent roster changes or injury reports from either organisation would shift expectations materially. The settlement window closes 14 June at 21:15 UTC, allowing approximately 11 hours post-scheduled start time for match completion. Divergence between this market's 0% and standard sportsbook offerings (typically ranging 30–40% for BetBoom) suggests either liquidity constraints on this platform or information asymmetry worth investigating before entry.
Methodology
We track Counter-Strike: BetBoom Team vs Vitality (BO3) - IEM Cologne Major Stage 3 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
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
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.
- What does it cost to trade on Best Prediction Markets?
- Zero. Best Prediction Markets routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Best Prediction Markets 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.
Trade Counter-Strike: BetBoom Team vs Vitality (BO3) - IEM… on Best Prediction Markets
Live order book, 0% fees, USDC settlement in seconds.
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