Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on BTC Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on BTC Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on BTC Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on BTC 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 BTC Prediction.
Active sub-markets
| Match Winner | 0% Aurora Gaming | 100% Spirit |
| O/U 2.5 Games | 100% Over | 0% Under |
| Map Handicap: TS (-1.5) vs Aurora Gaming (+1.5) | 0% Spirit | 100% Aurora Gaming |
| Map 1 Rounds Handicap: Spirit (-6.5) vs Aurora Gaming (+6.5) | 0% Spirit | 100% Aurora Gaming |
| Map 1 Total Rounds: Over/Under 18.5 | 100% Over | 0% Under |
| Map 2 Total Rounds: Over/Under 21.5 | 0% Over | 100% Under |
Market context
Aurora Gaming and Spirit will compete in a best-of-three Counter-Strike match during the IEM Cologne Major Stage 3 on 12 June 2026, with the fixture scheduled for 12:30 PM ET. The market currently prices Aurora Gaming's victory at 26 per cent, reflecting Spirit's status as the stronger-favoured side. Settlement occurs in USDC against the match outcome, with a 50-50 resolution triggered if the match is cancelled, delayed beyond seven days without completion, or ends in a tie.
Spirit have established themselves as a consistent top-tier Counter-Strike roster, whilst Aurora Gaming represent a less predictable challenger. Historical Major stage matchups between established European and CIS teams show that favourites in the 70–75 per cent range typically convert at rates near their implied probability, though upsets occur more frequently in round-two fixtures where preparation asymmetries and map veto dynamics create exploitable edges. The current 26 per cent pricing for Aurora suggests market participants view Spirit as clear favourites but acknowledge meaningful upset potential.
Traders should monitor roster changes or injury announcements from either team in the days preceding 12 June, as these directly affect preparation quality and in-game cohesion. IEM's official schedule and any force majeure communications will determine whether the seven-day delay clause activates. Map pool composition and recent scrim results—occasionally leaked through team social channels—can shift win probabilities materially. Funding rates on related esports derivative contracts may signal whether on-chain traders are hedging broader Major outcomes, though spot USDC settlement here remains independent of macro crypto movements.
Methodology
This page reads Counter-Strike: Aurora Gaming vs Spirit (BO3) - IEM Cologne Major Stage 3 on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
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
- Where can I trade this market with the lowest fees?
- On BTC Prediction, 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.
- What does it cost to trade on BTC Prediction?
- Zero. BTC Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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, BTC 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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