Research preview

Hawi Feysa’s stunning win at the Chicago Marathon, where she ran 2:13:33 and improved her personal best by 84 seconds, offers a vivid illustration of performance improvement, risk management, and strategic timing. Quantitative traders can draw parallels between elite endurance racing and the construction of efficient investment portfolios. The Power of a Late‑Stage Surge Feysa’s decisive surge in the final miles mirrors a trader’s execution of a well‑timed market entry. In marathon terms, a surge adds a few seconds per kilometer, which over the last 5 km translates into a substantial gain—enough to overturn a two‑time Boston champion....