| Outcome | Probability | Yes Bid | Yes Ask | 24h Change | Volume | |
|---|---|---|---|---|---|---|
| St. Louis -2.5 first 5 innings | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| St. Louis -1.5 first 5 innings | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| Tampa Bay -1.5 first 5 innings | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| Tampa Bay -2.5 first 5 innings | 0% | 0¢ | 0¢ | — | $0 | Trade → |
This market asks which side will cover the run differential over the first five innings of the Tampa Bay vs St. Louis game; it matters because first-five outcomes isolate starting pitching and early-lineup performance separate from late-game bullpen and extras.
First-five markets focus on the game's opening half and are driven largely by the two starters and the top of each lineup; teams can have consistent early-innings profiles that differ from full-game performance. Historical head-to-heads, ballpark tendencies, and recent starter usage all provide useful context for this matchup without relying on late-inning bullpen noise.
Market prices reflect traders' collective view about which team will be ahead or by how much after five innings; because this market only settles on the first five innings, prices react strongly to starter and lineup announcements, weather, and any early-game disruptions.
It is a market on the run differential after the first five innings of this specific game; the outcome is determined by the official score at the conclusion of the fifth inning (per the exchange's settlement rules) rather than the final game score.
Starter identity heavily influences this market: pitchers with strong early-inning strikeout rates and low walk rates suppress scoring and make low-run outcomes more likely, while starters with high first-inning run rates or limited recent rest increase the chance of a wider early spread.
Resolution follows the exchange's official rules: if the game does not reach the defined settlement point for the first five innings, the market may be voided or determined based on later completion; resumed games normally settle on the official score once five innings are completed.
Key movers are last-minute changes to the starting pitcher or batting order, official injury news or scratches, announced bullpen strategy (e.g., opener), and any confirmed weather or field-condition updates.
Look at each starter's first-inning and first-five-inning run/strikeout/walk splits, both teams' runs scored allowed/produced in innings 1–5, left/right platoon splits versus the scheduled pitchers, and how the venue has historically affected early-inning scoring between these clubs.