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 1 Rounds Handicap: SPARTA (-3.5) vs SAW Youngsters (+3.5) | 100% |
| Map 2 Total Rounds: Over/Under 21.5 | 100% |
| Map 3 Total Rounds: Over/Under 21.5 | 100% |
| Map 1 Total Rounds: Over/Under 18.5 | 100% |
| Map 1 Rounds Handicap: SPARTA (-6.5) vs SAW Youngsters (+6.5) | 100% |
| Map 2 Rounds Handicap: SAW Youngsters (-3.5) vs SPARTA (+3.5) | 100% |
| Map 2 Winner | 0% |
| Map Handicap: SPARTA (-1.5) vs SAW Youngsters (+1.5) | 0% |
| Map 1 Total Rounds: Over/Under 21.5 | 0% |
| Map 2 Rounds Handicap: SPARTA (-3.5) vs SAW Youngsters (+3.5) | 0% |
| Map 3 Rounds Handicap: SPARTA (-3.5) vs SAW Youngsters (+3.5) | 0% |
| Map 1 Total Rounds: Over/Under 24.5 | 0% |
| Map 1 Rounds Handicap: SPARTA (-9.5) vs SAW Youngsters (+9.5) | 0% |
| Map 2 Total Rounds: Over/Under 24.5 | 0% |
| Map 2 Rounds Handicap: SPARTA (-6.5) vs SAW Youngsters (+6.5) | 0% |
| Map 3 Total Rounds: Over/Under 24.5 | 0% |
| Map 3 Rounds Handicap: SPARTA (-9.5) vs SAW Youngsters (+9.5) | 0% |
Market context
Polymarket is pricing SPARTA at **100% YES** on USDC-settled, Polygon-based conditional tokens, which means the contract is effectively trading as if a SPARTA win is already locked in. The underlying event is the BO3 group-stage match against SAW Youngsters in CCT Europe Series #5, with settlement depending on the match result rather than map score alone.
That pricing is far more extreme than the surrounding public signals. Strafe’s community vote leans to SAW Youngsters at **73.2%**, while CS2Observer’s model has SPARTA at **52%** and its bookmaker snapshot implies roughly **74%** for SPARTA, which is a wide gap between modelled chance, crowd sentiment, and market positioning.[1][2] In comparable Counter-Strike markets, those spreads usually appear when one venue has moved late, a lineup change has not yet been reflected, or traders are following a stale feed rather than the live bracket.
For a Polymarket user, the key catalysts are simple: confirmation that the match is actually played, the official start time, and any last-minute roster or format change. Bo5 lists the fixture as live on the tournament schedule, which supports the view that this is an active series rather than a cancelled listing, but the contract can still fall to 50-50 if the match is not played, tied, or delayed beyond the market’s resolution window.[3] The main practical risk is not the on-chain mechanics, but whether the organiser’s result feed cleanly records a completed winner before the deadline.
Methodology
We track Counter-Strike: SPARTA vs SAW Youngsters (BO3) - CCT Europe Series #5 Group Stage 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
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 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.
- 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.
- 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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