{"type": "article", "title": "Machine Learning and the Random Walk Puzzle: Forecasting the CAD/USD Exchange Rate with Expanding Window Evaluation and SHAP Interpretability", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/machine-learning-and-the-random-walk-puzzle-forecasting-the-cad-usd-exchange-and", "original_source": "https://arxiv.org/abs/2606.15058", "published": "2026-06-16T04:00:00+00:00", "accessed": "2026-06-16", "id": "machine-learning-and-the-random-walk-puzzle-forecasting-the-cad-usd-exchange-and"}