Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Map Handicap: mellren (-1.5) vs banda chuya (+1.5) | 100% |
| Map 1 Total Rounds: Over/Under 21.5 | 100% |
| Map 1 Rounds Handicap: mellren (-3.5) vs banda chuya (+3.5) | 100% |
| Map 2 Total Rounds: Over/Under 21.5 | 90% |
| Map 3 Total Rounds: Over/Under 21.5 | 50% |
| Map 2 Rounds Handicap: mellren (-3.5) vs banda chuya (+3.5) | 10% |
| Map 2 Total Rounds: Over/Under 24.5 | 10% |
| Map 1 Winner | 0% |
| Map 2 Winner | 0% |
| Match Winner | 0% |
| O/U 2.5 Games | 0% |
| Map 1 Total Rounds: Over/Under 24.5 | 0% |
Market context
Counter-Strike’s lower-bracket quarter-final between banda chuya and mellren is a best-of-three in the CCT Europe Contenders #7 playoffs, so the market is fundamentally about whether the series is actually played through and who survives a single-elimination step inside a double-elimination bracket.[4][5] The crowd-implied **0% YES** price is far below what recent bracket context would suggest, because both teams are active in the same playoff run and have already produced results in this event: banda chuya beat TEAM_COPH9K 2-0, while mellren also advanced earlier in the bracket.[2][7][8]
For comparable cases, traders usually treat these low-liquidity CS2 playoff markets as a schedule-and-completion problem first, then a form problem second. Bo3 series in CCT Europe Contenders are standard across the playoffs, and recent results show both teams have been playing within the same online EEU event window, which supports using bracket progression and match availability as the primary inputs for automated decision rules rather than trying to infer too much from a single live price.[3][4][5] In practice, programmatic setups often watch the tournament bracket feed, live match status, and any reschedule flags, then fire conditional orders only when the match is confirmed live and the map count is progressing normally.
The main catalysts are straightforward: an updated start time, a change from “not started” to live status, or any postponement that pushes the series outside the seven-day settlement rule and forces a 50-50 outcome.[1] That matters here because one public listing already showed the fixture as not started at 18:15 UTC, so a trader running bots or copy-trading logic would want to verify whether the series begins, is replayed, or is abandoned before the window closes.[1][6] If the match is completed, the final result resolves the market directly; if it is cancelled, tied, or left unresolved beyond seven days, the default resolution is 50-50.
Methodology
We track Counter-Strike: banda chuya vs mellren (BO3) - CCT Europe Contenders #7 Playoffs across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi 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 itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi Fees trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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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