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Counter-Strike: Aurora Gaming vs K27 (BO3) - StarLadder StarSeries Group A

Which venue prices "Counter-Strike: Aurora Gaming vs K27 (BO3) - StarLadder StarSeries Group A" best? Direct comparison of Polymarket, Kalshi, Betfair and Smarkets.

Map 2 Winner 77% Map 1 Total Rounds: Over/Under 21.5 75% Map 1 Total Rounds: Over/Under 18.5 74% O/U 2.5 Games 70% Volume: $169K Liquidity: $115K Closes: 22 Jul 2026
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Counter-Strike: Aurora Gaming vs K27 (BO3) - StarLadder StarSeries Group A

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Kalshi Alternative UK) Pick
polygram.ink (preferred broker)
 77% 23% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Trade this market →
Polymarket (direct)
polymarket.com
 77% 23% 0% Geo-blocked in US/UK/EU USDC, on-chain Trade this market →
Kalshi
kalshi.com
 — — Up to 7% per trade US-only, KYC required USD Trade this market →
Betfair Exchange
betfair.com
 — — 2-5% commission Full KYC from first trade GBP / EUR Trade this market →
Manifold Markets
manifold.markets
 — — Play-money (mana) None — play-money Mana (no cash-out) Trade this market →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
Map 2 Winner77%
Map 1 Total Rounds: Over/Under 21.575%
Map 1 Total Rounds: Over/Under 18.574%
O/U 2.5 Games70%
Match Winner59%
Map 1 Rounds Handicap: Aurora Gaming (-3.5) vs K27 (+3.5)50%
Map 2 Total Rounds: Over/Under 21.550%
Map 3 Total Rounds: Over/Under 21.550%
Map 1 Total Rounds: Over/Under 24.550%
Map 3 Rounds Handicap: Aurora Gaming (-3.5) vs K27 (+3.5)48%
Map 1 Rounds Handicap: Aurora Gaming (-9.5) vs K27 (+9.5)27%
Map 1 Rounds Handicap: Aurora Gaming (-6.5) vs K27 (+6.5)27%
Map 1 Winner7%
Map Handicap: AUR (-1.5) vs K27 (+1.5)6%
Map Handicap: K27 (-1.5) vs Aurora Gaming (+1.5)0%
Map 1 Total Rounds: Over/Under 27.50%

Market context

Traders on decentralised prediction markets give 77% probability to counter-strike: aurora gaming vs k27 (bo3) - starladder starseries group a. This market refers to the Counter-Strike match between Aurora Gaming and K27 in the StarLadder StarSeries Group A, initially scheduled for July 22 at 6:00AM ET. This market will resolve to "Aurora Ga…

Methodology

This page compares Counter-Strike: Aurora Gaming vs K27 (BO3) - StarLadder StarSeries Group A specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi Alternative UK, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.

FAQ

Polymarket vs Kalshi — which is better?
Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
What does Polymarket cost vs Kalshi?
Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
Which platform has the deepest liquidity?
Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
Is Betfair a Polymarket alternative?
Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
Which platform supports Klarna/SOFORT?
Directly: none. Polymarket accepts only USDC on Polygon. Kalshi Alternative UK offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.
Emma RobertsEmma RobertsFinancial JournalistandSarah MitchellSarah MitchellPolitical Markets Writer

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