The 2026 Atlantic hurricane season's pronounced suppression under developing El Niño conditions, which have elevated vertical wind shear across the main development region, stands as the dominant factor behind the 95.9% market-implied probability of no Category 5 landfall in the conterminous United States before 2027. Only one hurricane, Isaias, has formed so far, making landfall as a Category 2 near Destin, Florida, in mid-October amid hostile steering and shear patterns. Historical records show just four such intense U.S. mainland strikes since 1851, underscoring their rarity even in active seasons. With the season nearing its close and official outlooks from NOAA and Colorado State University favoring below-normal activity through November, only an anomalous late-season rapid intensification over unusually warm Gulf waters could alter the outcome.