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Counter-Strike: Spirit vs MOUZ (BO5) - BLAST Open Porto Playoffs

Cross-platform snapshot for "Counter-Strike: Spirit vs MOUZ (BO5) - BLAST Open Porto Playoffs": deepest order book, lowest fee, geo-coverage at a glance.

O/U 3.5 Games 71% Match Winner 68% Map 2 Winner 61% Map 1 Winner 60% Volume: $107K Liquidity: $377K Closes: 6 Sept 2026
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Counter-Strike: Spirit vs MOUZ (BO5) - BLAST Open Porto Playoffs

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Robinhood Prediction Markets) Pick
polygram.ink (preferred broker)
 71% 29% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Go to the live market →
Polymarket (direct)
polymarket.com
 71% 29% 0% Geo-blocked in US/UK/EU USDC, on-chain Go to the live market →
Kalshi
kalshi.com
 — — Up to 7% per trade US-only, KYC required USD Go to the live market →
Betfair Exchange
betfair.com
 — — 2-5% commission Full KYC from first trade GBP / EUR Go to the live market →
Manifold Markets
manifold.markets
 — — Play-money (mana) None — play-money Mana (no cash-out) Go to the live market →

Outcome probabilities

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

OutcomeProbability
O/U 3.5 Games71%
Match Winner68%
Map 2 Winner61%
Map 1 Winner60%
Map 3 Winner60%
Map 4 Winner57%
Map 5 Total Rounds: Over/Under 21.551%
Map 1 Total Rounds: Over/Under 21.550%
Map 3 Total Rounds: Over/Under 21.550%
Map 4 Total Rounds: Over/Under 21.550%
Map 4 Rounds Handicap: Spirit (-3.5) vs MOUZ (+3.5)50%
Map 5 Rounds Handicap: Spirit (-3.5) vs MOUZ (+3.5)50%
Map 2 Total Rounds: Over/Under 21.549%
Map Handicap: TS (-1.5) vs MOUZ (+1.5)47%
Map 1 Rounds Handicap: Spirit (-3.5) vs MOUZ (+3.5)40%
Map 2 Rounds Handicap: Spirit (-3.5) vs MOUZ (+3.5)40%
Map 3 Rounds Handicap: Spirit (-3.5) vs MOUZ (+3.5)40%
O/U 4.5 Games33%
Map Handicap: TS (-2.5) vs MOUZ (+2.5)24%

Market context

Traders on decentralised prediction markets give 71% probability to counter-strike: spirit vs mouz (bo5) - blast open porto playoffs. This market refers to the Counter-Strike Grand final match between Spirit and MOUZ in the BLAST Open Porto Playoffs, initially scheduled for September 6, 2026 at 10:00 AM ET. This market will resolve…

Methodology

This page compares Counter-Strike: Spirit vs MOUZ (BO5) - BLAST Open Porto Playoffs 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 Robinhood Prediction Markets, 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.
What about Smarkets as an alternative?
Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
Are all these platforms regulated?
No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
Which platform supports Klarna/SOFORT?
Directly: none. Polymarket accepts only USDC on Polygon. Robinhood Prediction Markets 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.
Alex ChenAlex ChenPrediction Market AnalystandJordan LeeJordan LeeSports Prediction Reporter

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