Research Working Papers

Working paper library

The working papers of the series that have gone through quality control, each in its revised version, with full metadata, quality-control record, versions and citation tools.

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WP41

Multi-Resolution Context in Intraday Probabilistic Return Forecasting: A Pre-Registered, Matched-Budget Measurement on 300 U.S. Instruments

CHRONOS-X: a Multi-Resolution Patch Transformer against matched baselines, 5 to 60 minutes ahead, 2018–2025

Simon-Pierre Boucher · UQO Working Papers · November 2026 · v1.1

Does multi-resolution context improve calibrated probabilistic forecasts of equity and ETF returns 5–60 minutes ahead? We test five pre-registered hypotheses with a Multi-Resolution Patch Transformer, its one-minute-only twin and ten baselines on 234 million one-minute bars of 300 instruments, with day-cluster…