Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) 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 |
|---|---|
| 1st 5 Innings O/U 2.5 | 100% |
| 1st 5 Innings O/U 3.5 | 85% |
| O/U 6.5 | 75% |
| 1st 5 Innings O/U 4.5 | 74% |
| Houston Astros vs. San Diego Padres | 62% |
| O/U 7.5 | 61% |
| 1st 5 Innings O/U 6.5 | 59% |
| O/U 8.5 | 50% |
| 1st 5 Innings Spread -1.5 | 50% |
| 1st 5 Innings Spread -1.5 | 50% |
| Extra Innings | 48% |
| Spread -1.5 | 45% |
| O/U 9.5 | 36% |
| 1st 5 Innings O/U 5.5 | 33% |
| Spread -2.5 | 32% |
| O/U 10.5 | 28% |
| Spread -1.5 | 20% |
| Spread -2.5 | 12% |
| NRFI | 0% |
Market context
The Houston Astros and San Diego Padres have just split the first two games of this set, with Houston winning 6-3 on Friday and San Diego responding 3-2 on Saturday, so the market’s 62% YES price leans towards the visitors but not by a huge margin.[1][2][3] That is broadly consistent with how the teams have looked over the last two weeks: Houston has won eight of its last 10 and has produced a stronger recent run on the road, while San Diego has stayed competitive at home but has been more uneven overall.[1][3][8]
Historically, this kind of pricing is usually explained by a modest edge rather than a mismatch. Houston’s stronger offensive baseline and recent pitching numbers point to a higher floor, while San Diego’s home record and better ERA keep the game close enough that a one-game market can swing quickly on line-up news or a bullpen-heavy finish.[3][7][14][15] Comparable recent games between these clubs have already shown that the gap is narrow: each side has taken one game in the current series, and both have been involved in low-scoring results decided by one or two runs.[1][2][6]
The main catalysts to watch are starting pitcher confirmations, any late rest for regulars, and the status of each club’s already-fragile pitching depth. Fox Sports noted a long injury list for San Diego, including Jason Adam, Joe Musgrove, Nick Pivetta, Lucas Giolito and others, which matters because the Padres have leaned on a thinner run-prevention group.[8] Houston, meanwhile, has recently been driven by Cam Smith’s two-homer game in the opener and steady production from the middle of the order, so any absence for Yordan Alvarez, Jeremy Peña or a late bullpen reshuffle would be material to the price.[1][8]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $979K.
Methodology
Sports-specific comparison page for Houston Astros vs. San Diego Padres. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
Trade Houston Astros vs. San Diego Padres on March Madness Predictions
Live order book, 0% fees, USDC settlement in seconds.
Open live market →