Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi vs Polymarket) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 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.
| Outcome | Probability |
|---|---|
| Map 1 Winner | 100% |
| O/U 2.5 Games | 100% |
| Map 1 Total Rounds: Over/Under 21.5 | 100% |
| Map 2 Total Rounds: Over/Under 21.5 | 100% |
| Map 3 Rounds Handicap: Astralis (-3.5) vs Team Nemesis (+3.5) | 100% |
| Map 3 Total Rounds: Over/Under 18.5 | 90% |
| Map 3 Rounds Handicap: Team Nemesis (-3.5) vs Astralis (+3.5) | 10% |
| Map 3 Rounds Handicap: Astralis (-6.5) vs Team Nemesis (+6.5) | 10% |
| Map 3 Rounds Handicap: Astralis (-9.5) vs Team Nemesis (+9.5) | 10% |
| Map 2 Winner | 0% |
| Match Winner | 0% |
| Map Handicap: AST (-1.5) vs Team Nemesis (+1.5) | 0% |
| Map 1 Rounds Handicap: Astralis (-3.5) vs Team Nemesis (+3.5) | 0% |
| Map 2 Rounds Handicap: Astralis (-3.5) vs Team Nemesis (+3.5) | 0% |
| Map 3 Total Rounds: Over/Under 21.5 | 0% |
| Map Handicap: NEM (-1.5) vs Astralis (+1.5) | 0% |
| Map 1 Rounds Handicap: Team Nemesis (-3.5) vs Astralis (+3.5) | 0% |
| Map 1 Rounds Handicap: Team Nemesis (-6.5) vs Astralis (+6.5) | 0% |
| Map 1 Total Rounds: Over/Under 24.5 | 0% |
| Map 1 Total Rounds: Over/Under 30.5 | 0% |
| Map 2 Rounds Handicap: Team Nemesis (-3.5) vs Astralis (+3.5) | 0% |
| Map 2 Rounds Handicap: Astralis (-6.5) vs Team Nemesis (+6.5) | 0% |
| Map 2 Total Rounds: Over/Under 24.5 | 0% |
| Map 2 Rounds Handicap: Astralis (-9.5) vs Team Nemesis (+9.5) | 0% |
| Map 2 Total Rounds: Over/Under 27.5 | 0% |
| Map 3 Total Rounds: Over/Under 24.5 | 0% |
Market context
Team Nemesis face Astralis in a Counter-Strike best-of-three match during the BLAST Bounty Qualifier's Round of 32, scheduled for 21 July at 08:30 ET. The current prediction-market probability sits at 100% for a Nemesis victory, a stark outlier that warrants scrutiny against conventional sportsbook assessment and the teams' recent form. Astralis, despite roster changes and inconsistent results in 2024, retain structural advantages in map pool depth and tactical execution that historically favour them in single-elimination formats. Nemesis, a lower-ranked side, would require near-flawless execution to overcome this disparity.
The 100% implied probability reflects either extreme confidence in Nemesis's capabilities or liquidity constraints within the prediction market itself. Traditional esports sportsbooks typically offer Astralis as favourites in such matchups, though exact lines vary by region and book. Recent BLAST tournament results show Astralis advancing past comparable opposition, whilst Nemesis's qualifier path remains less documented in major publications. The absence of meaningful divergence reporting between major betting platforms suggests limited public information on roster changes or injury status affecting either team immediately prior to the match.
Traders should monitor official BLAST communications for schedule confirmations, last-minute roster announcements, or technical delays. The settlement window closes 21 July at 18:15 UTC, allowing approximately ten hours post-scheduled start time for match completion. Any cancellation, postponement beyond seven days, or unresolved technical failure triggers a 50-50 resolution, creating tail-risk exposure for positions taken at extreme probabilities.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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 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.
Trade Counter-Strike: Team Nemesis vs Astralis (BO3) - BLA… on Kalshi vs Polymarket
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