Will Yoshinobu Yamamoto lead Pro Baseball in earned run average (ERA) for the 2026 regular season

30-day trend

Analysis

This probability represents the 8% chance that Yoshinobu Yamamoto finishes the 2026 Major League Baseball season with the lowest earned run average among all qualifying pitchers. The market assessment reflects that Yamamoto faces significant competition from other elite arms, particularly Jacob Misiorowski (priced at 44¢), Shohei Ohtani (11¢), and younger emerging talents. ERA leadership depends on both Yamamoto's individual performance and injury avoidance through a full season, as well as whether competing pitchers maintain or exceed current performance levels. The outcome will be determined when MLB releases final 2026 regular season statistics in early October, with the resolution depending on which pitcher achieves the lowest ERA among those meeting the minimum innings pitched requirement (typically 50 innings for seasonal ERA titles in some contexts, though MLB ERA champions are determined by lowest ERA among qualified pitchers).

• ›Yamamoto's age (28 in 2026) and recent performance trajectory relative to younger competitors like Misiorowski and established peers like Ohtani
• ›Durability and injury history—ERA leadership requires pitching deep into the season without significant time on the injured list
• ›Competitive field strength—the market prices multiple pitchers substantially higher, indicating deeper perceived advantages in their 2026 positioning
• ›Qualifying innings requirement—Yamamoto must accumulate sufficient innings pitched to be eligible for ERA title consideration
• ›Performance regression or improvement trends visible through mid-season data points that would inform late-season probability adjustments

What moved the line

• Jul 4Shohei Ohtani↓5pp16→11¢ · Kalshi
• Jul 11Shohei Ohtani↓4pp9→5¢ · Kalshi
• Jul 4Cristopher Sánchez↓3pp9→6¢ · Kalshi

Recently closed in general

• Will the 2Y U.S. Treasury yield be above 4.19% on Jul 6, 2026last 60% · 1d
• Will the 30Y U.S. Treasury yield be above 4.94% on Jul 6, 2026last 86% · 1d
• Will the 10Y U.S. Treasury yield be above 4.54% on Jul 6, 2026last 65% · 1d
• Will Donald Trump make between 80 and 99 Truth Social posts the week of Apr 19, 2026last 48% · 6d
• Which city will host the 2026 RNC midterm conventionlast 96% · 8d

These markets stopped trading. Last odds and any captured outcome are shown above — full settlement detail lives at the venue.

How we compute these odds