Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Map 1 Winner | 100% |
| Match Winner | 100% |
| O/U 2.5 Games | 100% |
| Map 2 Rounds Handicap: MEIA NOITE (-3.5) vs paiN Academy (+3.5) | 100% |
| Map 3 Total Rounds: Over/Under 21.5 | 90% |
| Map 3 Total Rounds: Over/Under 24.5 | 10% |
| Map 3 Rounds Handicap: MEIA NOITE (-3.5) vs paiN Academy (+3.5) | 10% |
| Map 2 Winner | 0% |
| Map Handicap: MEIA NOITE (-1.5) vs paiN Academy (+1.5) | 0% |
| Map 1 Rounds Handicap: MEIA NOITE (-3.5) vs paiN Academy (+3.5) | 0% |
| Map 1 Total Rounds: Over/Under 21.5 | 0% |
| Map 2 Total Rounds: Over/Under 21.5 | 0% |
| Map 1 Total Rounds: Over/Under 24.5 | 0% |
| Map 1 Rounds Handicap: MEIA NOITE (-6.5) vs paiN Academy (+6.5) | 0% |
| Map 2 Total Rounds: Over/Under 24.5 | 0% |
Market context
Polymarket is pricing **paiN Academy at 100%** in this USDC market on Polygon, which leaves no room for MEIA NOITE unless the contract is repriced before settlement. Because the market settles on the match result, not a broader tournament view, traders are really tracking whether the scheduled BO3 is played to completion and logged as an official winner, with the fallback to 50-50 if the game is cancelled, tied, or left unresolved beyond the seven-day window in the rules.
That extreme price should be read against the recent BetBoom Storm record: paiN Academy have already featured in this event series against teams such as MIBR fe, MAGICOS and Grêmio Esports, while MEIA NOITE have also been active in the same group stage and were listed in a live pre-match market against Galorys on Polymarket’s own BetBoom Storm board. Comparable academy and lower-tier CS2 matches in this kind of Swiss or group-stage format often move sharply on the simple question of whether the stronger-organised side is confirmed on the official bracket, rather than on deep public data, so a 100% quote usually reflects either stale liquidity or a near-certain outcome already embedded by traders. [6][10][11]
The main catalysts are straightforward: official match start confirmation, any bracket or schedule changes from BetBoom Storm, and whether the fixture appears on live score pages as commenced and completed. Sofascore lists paiN Academy v MEIA NOITE for 6 August at 14:00 UTC in the BetBoom Storm Group Stage, and sports.ru shows the same BO3 as not yet started, so the market will stay exposed until one verified result lands. If the series slips, is postponed, or fails to finish, the resolution mechanics matter more than the in-game scoreline because the conditional token payout can flip to 50-50 under the stated failure cases. [1][2]
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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.
UK Frequently Asked Questions
- 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 UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
Trade Counter-Strike: paiN Academy vs MEIA NOITE (BO3) - B… on Kalshi UK
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