Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
93% | 7% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
93% | 7% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Match Winner | 93% |
| Map 2 Winner | 89% |
| Map 1 Winner | 84% |
| Map Handicap: TS (-1.5) vs OG (+1.5) | 71% |
| Map 1 Total Rounds: Over/Under 18.5 | 65% |
| Map 2 Total Rounds: Over/Under 18.5 | 65% |
| Map 3 Total Rounds: Over/Under 18.5 | 51% |
| Map 3 Rounds Handicap: Spirit (-6.5) vs OG (+6.5) | 47% |
| Map 2 Rounds Handicap: Spirit (-6.5) vs OG (+6.5) | 45% |
| Map 3 Total Rounds: Over/Under 21.5 | 42% |
| Map 1 Rounds Handicap: Spirit (-6.5) vs OG (+6.5) | 40% |
| Map 1 Total Rounds: Over/Under 21.5 | 38% |
| O/U 2.5 Games | 26% |
Market context
Spirit face OG in a best-of-three at the BLAST Bounty Qualifier, and the market is already pricing Spirit as a strong favourite at 84% YES. Independent preview pages are even more aggressive, with one modelled betting view putting Spirit around 92% implied and another listing Spirit at roughly 1.17 decimal odds for a 2-0 win, which is consistent with a heavy favourite profile rather than a coin-flip series.[1][3][4][5]
That pricing sits in line with how prediction markets usually read elite-team mismatches: when a top seed is expected to win cleanly, the contract can trade well above fair 50-50 long before a map is played, but the settlement mechanics still matter because a cancellation, tie, or delay beyond seven days would push the market to 50-50 rather than a side outright winning.[6] In practice, traders are paying for the match to start and finish normally, not just for Spirit to look better on paper.
The main catalysts are straightforward: confirmed line-ups, the actual start time, and whether BLAST’s schedule changes in a way that affects completion within the settlement window. The market is explicitly tied to the Spirit v OG series scheduled for 23 July, so late scratches, technical delays, or an early conclusion by default or forfeiture would matter more here than broad macro moves; only if the wider crypto tape becomes relevant would BTC and ETH volatility affect risk appetite rather than the result itself. On-chain settlement in USDC means the final payout is mechanically determined by the contract outcome, not by exchange discretion, so any operational ambiguity around whether the series is played to a winner is the key item to watch.[1][6]
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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