Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Map 2 Winner | 100% |
| Match Winner | 100% |
| O/U 2.5 Games | 100% |
| Map 1 Total Rounds: Over/Under 21.5 | 100% |
| Map 3 Rounds Handicap: Aurora Gaming (-3.5) vs K27 (+3.5) | 100% |
| Map 1 Total Rounds: Over/Under 18.5 | 100% |
| Map 2 Rounds Handicap: Aurora Gaming (-3.5) vs K27 (+3.5) | 100% |
| Map 2 Total Rounds: Over/Under 18.5 | 100% |
| Map 3 Rounds Handicap: Aurora Gaming (-6.5) vs K27 (+6.5) | 100% |
| Map 3 Rounds Handicap: Aurora Gaming (-9.5) vs K27 (+9.5) | 100% |
| Map 3 Total Rounds: Over/Under 15.5 | 100% |
| Map 3 Rounds Handicap: Aurora Gaming (-12.5) vs K27 (+12.5) | 1% |
| Map 1 Winner | 0% |
| Map Handicap: AUR (-1.5) vs K27 (+1.5) | 0% |
| Map 1 Rounds Handicap: Aurora Gaming (-3.5) vs K27 (+3.5) | 0% |
| Map 2 Total Rounds: Over/Under 21.5 | 0% |
| Map 3 Total Rounds: Over/Under 21.5 | 0% |
| Map 1 Total Rounds: Over/Under 24.5 | 0% |
| Map 1 Rounds Handicap: Aurora Gaming (-9.5) vs K27 (+9.5) | 0% |
| Map 1 Rounds Handicap: Aurora Gaming (-6.5) vs K27 (+6.5) | 0% |
| Map Handicap: K27 (-1.5) vs Aurora Gaming (+1.5) | 0% |
| Map 1 Total Rounds: Over/Under 27.5 | 0% |
| Map 2 Total Rounds: Over/Under 24.5 | 0% |
| Map 2 Rounds Handicap: Aurora Gaming (-6.5) vs K27 (+6.5) | 0% |
| Map 2 Rounds Handicap: Aurora Gaming (-9.5) vs K27 (+9.5) | 0% |
| Map 3 Total Rounds: Over/Under 18.5 | 0% |
| Map 3 Total Rounds: Over/Under 24.5 | 0% |
Market context
Polymarket is pricing Aurora Gaming v K27 at **0% YES** right now, which leaves the contract effectively at the floor despite the match being listed for a best-of-three in StarLadder StarSeries Group A. On Polymarket, the trade settles in **USDC** on **Polygon** through conditional tokens, so the market is not about opinions in the abstract: it resolves from the official match outcome, or to 50-50 if the game is not played, ends level, or slips beyond the seven-day window without a winner. [7]
The current read is best compared with other CS2 match markets where bookmaker and community views can diverge sharply from the on-chain price. Aurora have been the clear paper favourite in some pre-match odds listings, while fan voting is more mixed: one Strafe listing showed Aurora ahead by a wide margin, but another showed K27 with the majority of votes, which is the sort of split that can keep a prediction market pinned away from consensus until line-ups and format details are confirmed. [1][2][4][6]
For traders, the main catalysts are the tournament’s official start time, any roster or veto updates, and whether the fixture remains on schedule inside the settlement window. Current match listings place Aurora v K27 on 22 July 2026, with live coverage pages already active, so a delay, walkover, or bracket change would matter more here than a routine price move; once play begins, the market should follow the official result rather than map-by-map sentiment. [3][7][8]
Methodology
We track Counter-Strike: Aurora Gaming vs K27 (BO3) - StarLadder StarSeries Group A 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
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- 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.
- 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.
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