Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| Minnesota Twins vs. Cleveland Guardians | 100% |
| NRFI | 100% |
| O/U 8.5 | 100% |
| 1st 5 Innings Spread -1.5 | 100% |
| 1st 5 Innings O/U 2.5 | 100% |
| 1st 5 Innings O/U 3.5 | 100% |
| 1st 5 Innings O/U 4.5 | 100% |
| 1st 5 Innings O/U 5.5 | 100% |
| 1st 5 Innings O/U 6.5 | 100% |
| Spread -1.5 | 100% |
| Spread -2.5 | 100% |
| O/U 7.5 | 100% |
| O/U 9.5 | 100% |
| O/U 10.5 | 100% |
| O/U 12.5 | 100% |
| O/U 11.5 | 100% |
| Spread -3.5 | 100% |
| O/U 14.5 | 100% |
| O/U 15.5 | 100% |
| O/U 13.5 | 100% |
| Spread -1.5 | 0% |
| 1st 5 Innings Spread -1.5 | 0% |
| Extra Innings | 0% |
| Spread -2.5 | 0% |
| Spread -4.5 | 0% |
| Spread -5.5 | 0% |
| Spread -6.5 | 0% |
| O/U 16.5 | 0% |
Market context
The Minnesota Twins and Cleveland Guardians met in a tight divisional series, with recent results split and decided by narrow margins. Cleveland won 5-2 on 21 July, while Minnesota had taken the previous two recent matchups, including a 6-5 win on 8 July and a 5-4 win on 10 May, showing how quickly the head-to-head can swing in a small sample.[3][1][2]
A **100% YES** crowd price implies the market is already treating the Twins as a near-certain winner, which is hard to reconcile with the recent back-and-forth unless the contract has effectively been pinned by a late score, a data error, or an unusual settlement assumption. In an on-chain market, the key practical issue is whether the USDC escrow and oracle path are still live: if the game is completed normally, the final official MLB result should determine settlement, while a postponement keeps the market open and a cancellation or tie can push it to 50-50 under the rules.
For traders, the main catalysts are administrative rather than macro: official game completion, any weather-related delay, and whether the listed July 22 start at 6:40 pm ET was ultimately played, suspended, or moved. If the position is still unresolved, the next state change will come from the final box score rather than BTC or ETH price action, although broader crypto conditions can still affect secondary market liquidity and spread quality if participants hedge elsewhere.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $324K.
Methodology
This page reads Minnesota Twins vs. Cleveland Guardians on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
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.
- 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.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- 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.
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