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 | 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 |
|---|---|
| Game Handicap: DOG (-1.5) vs Blue Otter (+1.5) | 100% |
| Both Teams Slay a Dragon | 90% |
| Odd/Even Total Kills | 90% |
| Both Teams Slay Baron Nashor | 50% |
| Both Teams Slay a Dragon | 50% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Both Teams Slay Baron Nashor | 50% |
| Both Teams Slay a Dragon | 50% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Both Teams Slay Baron Nashor | 10% |
| Both Teams Destroy Inhibitors | 10% |
| Any Player Quadra Kill | 10% |
| Any Player Penta Kill | 10% |
| Game 1 Winner | 0% |
| Game 2 Winner | 0% |
| Match Winner | 0% |
| O/U 2.5 Games | 0% |
| Game Handicap: BLUE (-1.5) vs Dorado Gaming (+1.5) | 0% |
Market context
Blue Otter’s BO3 with Dorado Gaming in the North American Challengers League group stage is already reflected very differently across venues: the market is pricing Blue Otter at **0% YES**, while bookmaker-style pages around the same fixture have Dorado as only a narrow favourite, with decimal odds near 2.09 for Dorado and 2.94 for Blue Otter on Polymarket’s league page, implying a closer split than the contract suggests.[17][2] That divergence matters because the match itself has been a coin-flip on paper in some comparisons: Strafe’s preview showed Blue Otter taking 67.3% of user votes, while the teams’ most recent head-to-head in March went Blue Otter’s way 2-1.[13][6]
For historical framing, the most useful comparison is the prior series between these sides and the broader split-to-split form gap. Polymarket’s own NACL page notes Dorado entered the summer with a better current record, while Blue Otter had struggled early in the campaign; that kind of short-run form can move models more than legacy head-to-heads.[15] At the same time, Bo3 preview markets on BO3.gg have tended to keep both teams within a moderate range rather than treating either side as a runaway favourite, with Dorado’s winner price around 2.092 and Blue Otter’s around 1.364 for map handicaps, which is consistent with a competitive series rather than a near-certainty.[2][4]
The main catalysts now are straightforward: whether the match is fully completed before the settlement window closes, and whether any official schedule change or broadcast delay alters the result classification. Live score pages show the fixture was scheduled for 7 August at 21:00 UTC, and Strafe lists the game as already ended 0-2 for Dorado, which would be decisive if that result is final and unchallenged.[1][13] Traders watching the 50-50 fallback should still check for any late ruling, because this market only resolves to a side if the BO3 winner is definitively recorded; cancellation, a tie, or an unresolved delay beyond seven days would force the alternate settlement path.
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
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
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