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WP39

The Invisible Balance Sheet

Can Intraday Financial Markets Detect Corporate Deterioration Before Accounting Disclosures?

Simon-Pierre Boucher · UQO Working Papers · November 2026 · v1.0

Do one-minute financial markets see a firm's forthcoming accounting deterioration before daily markets do? This paper builds a strictly point-in-time panel of 3,796 U.S. listed firms and 102,522 firm-quarters (2013–2026) from 6.7 billion raw one-minute bars and quarterly statements with filing and release dates, and…