Research preview

The recent statement that a specific satellite communications system is owned and controlled by the U.S. government raises questions for quantitative traders who rely on real‑time data streams. When a single nation can impose speed limits or usage restrictions, the statistical properties of the data feeding high‑dimensional models can change abruptly. This article explains how such geopolitical risk propagates through big‑data pipelines, why regularisation remains essential, and what concrete steps traders can take to safeguard model performance. 1. Data Velocity as a Model Input High‑frequency price signals, order‑book updates, and alternative data such as news sentiment are often transmitted via satellite links....