Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Scam? Pick polygram.ink |
50% | 50% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Scam? → |
Polymarket polymarket.com |
50% | 50% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Scam? → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Scam? → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Scam? → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Scam? → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Polymarket Scam?.
Active sub-markets
| 1st 5 Innings Spread -2.5 | 50% Los Angeles Angels | 50% Houston Astros |
| 1st 5 Innings O/U 5.5 | 50% Over | 50% Under |
| 1st 5 Innings O/U 2.5 | 51% Over | 50% Under |
| Extra Innings | 50% YES | 50% NO |
| Spread -1.5 | 39% Los Angeles Angels | 62% Houston Astros |
| O/U 8.5 | 14% Over | 86% Under |
Market context
The Houston Astros face the Los Angeles Angels on 10 June at 9:38PM ET in an AL West matchup. Polymarket currently prices an Astros victory at 27% (YES tokens trading at $0.27 USDC on Polygon), implying a 73% lean towards an Angels win. This represents a significant underdog position for Houston, despite the Astros' stronger regular-season record and divisional standing historically.
Houston enters June as a 55-win team with a +85 run differential, whilst the Angels sit considerably further back in the standings. However, the Angels have shown capacity to compete in individual games against stronger opponents, and recent form matters considerably in baseball markets where day-to-day roster availability and pitcher matchups create volatility. The current 27% probability for Houston reflects either substantial concern about their starting pitcher assignment or confidence in the Angels' offensive capability on this particular evening. Comparable matchups between these clubs this season have typically seen the Astros favoured, suggesting the current pricing may incorporate specific information about lineup composition or injury status.
Traders should monitor roster announcements through 9 June, particularly regarding starting pitcher confirmation and any late-season injuries affecting either team's lineup. The Angels' recent performance against comparable AL West opponents provides a baseline for assessing whether 73% confidence in their victory is justified by underlying fundamentals or represents overpricing. Settlement occurs on 18 June, allowing time for any postponements to be resolved before the conditional tokens on Polygon settle against the official MLB result.
Methodology
We track Houston Astros vs. Los Angeles Angels on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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
- Where can I trade this market with the lowest fees?
- On Polymarket Scam?, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket Scam? is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
Trade Houston Astros vs. Los Angeles Angels on Polymarket Scam?
Live order book, 0% fees, USDC settlement in seconds.
Trade on Polymarket Scam? →