Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
71% | 29% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
71% | 29% | 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 |
|---|---|
| 1st 5 Innings O/U 2.5 | 71% |
| 1st 5 Innings O/U 3.5 | 56% |
| O/U 7.5 | 50% |
| NRFI | 46% |
| Spread -1.5 | 44% |
| 1st 5 Innings O/U 4.5 | 44% |
| O/U 8.5 | 41% |
| St. Louis Cardinals vs. Toronto Blue Jays | 38% |
| 1st 5 Innings Spread -1.5 | 37% |
| 1st 5 Innings O/U 5.5 | 33% |
| Spread -2.5 | 32% |
| O/U 9.5 | 32% |
| Spread -1.5 | 27% |
| 1st 5 Innings O/U 6.5 | 23% |
| 1st 5 Innings Spread -1.5 | 20% |
| Spread -2.5 | 19% |
| Extra Innings | 10% |
Market context
The St. Louis Cardinals are due to play the Toronto Blue Jays, and the market is pricing a Blue Jays win at about 62% implied probability, versus 38% for the Cardinals. That sits close to the book view as well, with Toronto listed around -175 on the moneyline, which implies a modest favourite rather than a runaway edge.[9][10]
Recent form gives the Blue Jays a cleaner read than the raw headline record. ESPN lists Toronto at 54-55 overall and 26-30 at home, while St. Louis are 50-59 overall and 26-23 away; both clubs have been below league-average offensively, but Toronto’s bat has been more reliable when it gets to five runs, winning 29 of 40 such games.[10] The head-to-head record also leans Toronto, with the Cardinals 14-17 all-time against the Blue Jays and on a six-game losing streak in the matchup.[14]
For traders in a USDC-settled market, the main catalysts are ordinary baseball dependencies: whether both line-ups are confirmed intact, whether the starting pitchers hold, and whether there is any postponement risk that could keep the contract open beyond first pitch. ESPN’s pregame page and live game tracker are the cleanest sources for completion status, while the market’s settlement window leaves room for a reschedule if weather or logistics intervene.[1][10] In broader crypto terms, the payout is isolated to the event result, so BTC or ETH volatility only matters indirectly through liquidity, funding conditions, or general risk appetite rather than contract mechanics.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $110K.
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
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- 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 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.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
- 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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