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Houston Astros vs. San Diego Padres

Sports snapshot for "Houston Astros vs. San Diego Padres" with league data and platform comparison on a single page.

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% Volume: $979K Liquidity: $878K Closes: 17 Aug 2026
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Houston Astros vs. San Diego Padres

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
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.

OutcomeProbability
1st 5 Innings O/U 2.5100%
1st 5 Innings O/U 3.585%
O/U 6.575%
1st 5 Innings O/U 4.574%
Houston Astros vs. San Diego Padres62%
O/U 7.561%
1st 5 Innings O/U 6.559%
O/U 8.550%
1st 5 Innings Spread -1.550%
1st 5 Innings Spread -1.550%
Extra Innings48%
Spread -1.545%
O/U 9.536%
1st 5 Innings O/U 5.533%
Spread -2.532%
O/U 10.528%
Spread -1.520%
Spread -2.512%
NRFI0%

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]

Sources: 1 · 2 · 3 · 4 · 5

Live Data & Statistics

The Polymarket order book prices 1st 5 Innings O/U 2.5 at 100% for "Houston Astros vs. San Diego Padres".

1st 5 Innings O/U 2.5 100% Other 0%

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.
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