Research preview

A sudden shutdown of dozens of restaurants along the Gulf Coast illustrates how extreme weather can cause abrupt, localized market shocks. For quantitative traders, such events are a reminder that models built on historical data can easily mistake random noise for signal, especially when the underlying environment changes dramatically. The Anatomy of a Weather‑Driven Market Shock When a hurricane approaches, businesses that rely on foot traffic—restaurants, retail stores, and service providers—may close temporarily or reduce hours. The abrupt loss of sales translates into a sharp, short‑term dip in transaction volumes for related securities, such as regional restaurant chains, suppliers, and even local utilities....