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Counter-Strike: G2 vs Aurora Gaming (BO3) - BLAST Open Porto Group A

How the prediction-market book is pricing "Counter-Strike: G2 vs Aurora Gaming (BO3) - BLAST Open Porto Group A" right now, with a side-by-side platform comparison and zero-fee CTAs.

Map 2 Winner 56% Match Winner 55% Map 1 Total Rounds: Over/Under 21.5 52% Map 2 Total Rounds: Over/Under 21.5 51% Volume: $93K Liquidity: $303K Closes: 31 Aug 2026
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Counter-Strike: G2 vs Aurora Gaming (BO3) - BLAST Open Porto Group A

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Kalshi vs Polymarket) Pick
polygram.ink (preferred broker)
56% 44% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle View on Polymarket →
Polymarket (direct)
polymarket.com
56% 44% 0% Geo-blocked in US/UK/EU USDC, on-chain View on Polymarket →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD View on Polymarket →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR View on Polymarket →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) View on Polymarket →

Outcome probabilities

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

OutcomeProbability
Map 2 Winner56%
Match Winner55%
Map 1 Total Rounds: Over/Under 21.552%
Map 2 Total Rounds: Over/Under 21.551%
Map 1 Winner50%
O/U 2.5 Games49%
Map 3 Rounds Handicap: G2 (-3.5) vs Aurora Gaming (+3.5)49%
Map 3 Total Rounds: Over/Under 21.546%
Map 2 Rounds Handicap: G2 (-3.5) vs Aurora Gaming (+3.5)38%
Map 1 Rounds Handicap: G2 (-3.5) vs Aurora Gaming (+3.5)32%
Map Handicap: G2 (-1.5) vs Aurora Gaming (+1.5)30%

Market context

Market consensus: 56% chance of counter-strike: g2 vs aurora gaming (bo3) - blast open porto group a. Prediction markets aggregate real capital to produce this probability signal. This market refers to the Counter-Strike Lower bracket final match between G2 and Aurora Gaming in the BLAST Open Porto Group A, initially scheduled for August 31, 2026 at 7:30 AM …

Methodology

This page reviews Counter-Strike: G2 vs Aurora Gaming (BO3) - BLAST Open Porto Group A across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi vs Polymarket, which mirrors the Polymarket order book at 0% fees.

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

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 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.
Do I need to KYC for this market?
On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi vs Polymarket trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
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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