Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Qué Es) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| NRFI | 100% |
| 1st 5 Innings O/U 2.5 | 100% |
| 1st 5 Innings O/U 3.5 | 81% |
| 1st 5 Innings O/U 4.5 | 69% |
| O/U 6.5 | 68% |
| O/U 7.5 | 57% |
| 1st 5 Innings O/U 6.5 | 54% |
| 1st 5 Innings Spread -1.5 | 50% |
| 1st 5 Innings Spread -1.5 | 50% |
| O/U 8.5 | 47% |
| Spread -1.5 | 42% |
| Spread -2.5 | 42% |
| Houston Astros vs. San Diego Padres | 30% |
| 1st 5 Innings O/U 5.5 | 27% |
| Spread -2.5 | 25% |
| Spread -1.5 | 18% |
| Extra Innings | 15% |
Market context
Polymarket is pricing the Astros at **30%** to win this contract, funded and settled in **USDC** on **Polygon** via conditional tokens, so the live market price is effectively a decentralised read on Houston’s win chance rather than a straight moneyline. For a same-day MLB contract, that is a relatively low number for a team that had just beaten San Diego **6-3** the night before and had won **eight of ten** games overall, which suggests the market is discounting Houston’s prospects more heavily than the recent form alone would imply.[1][3]
The broader frame is a near-even matchup between two clubs that were both **60-57** after Friday’s result, with San Diego still strong at home and Houston slightly better in recent run scoring and power production. ESPN’s season splits show Houston with a higher batting average, on-base percentage, slugging percentage and home-run total, while San Diego has the better ERA and WHIP, which makes a sub-40% Houston price understandable in a tight contest even before home-field advantage is applied.[2][15][18]
For traders, the main catalysts are late line-up news, any pitching confirmation, and whether the game proceeds on schedule, because this market stays open if the game is postponed and only resolves once the fixture is completed. The current window ends **2026-08-15T23:15:00Z**, so a postponement would extend exposure rather than force an immediate settlement, while an outright cancellation or tie would flip the contract to **50-50** under the rules. Recent previews and live boards also indicate a sharp market around the Padres, with a listed moneyline in the vicinity of **-300** in one pre-game feed, so any change in the starting pitcher or late scratches would matter for implied probability.[4][6]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $310K.
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
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?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Qué Es. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Qué Es trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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 Pronóstico: Houston Astros vs. San Diego Padres on Polymarket Qué Es
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