As of mid-May, official National Hurricane Center monitoring shows no active tropical systems in the Atlantic basin with any realistic path to intensification and U.S. landfall before May 31. The primary driver behind the 96.6% market-implied probability for “No” is the well-established climatological start of the Atlantic hurricane season on June 1, when sea-surface temperatures and atmospheric conditions first reliably support organized cyclone development. Current steering patterns and wind shear further suppress early formation, aligning with historical data that record only a handful of pre-June hurricanes in the past century. Traders therefore price in near-certainty absent an unprecedented May anomaly, though any sudden warm-water surge or model shift could still introduce limited uncertainty before the month ends.