\documentclass[aps,onecolumn,nofootinbib,floatfix]{revtex4-2} \usepackage{graphicx} \usepackage{amsmath} \usepackage{amssymb} \usepackage{hyperref} \usepackage{booktabs} \begin{document} \title{Lookahead Bias in Vectorized Backtesting: A Noise Harness Diagnostic} \author{Sentinel Research} \affiliation{Sentinel Research} \email{danielcruces71@gmail.com} \date{\today} \begin{abstract} % TODO: 150-250 words. Must state: (1) the defect found (lookahead bias in a % vectorized backtester), (2) the diagnostic method (pure-noise GBM harness), % (3) the headline numbers (Sharpe 14.49 under the bug vs Sharpe -0.25 fixed), % (4) why this matters for anyone running vectorized backtests at scale. \end{abstract} \maketitle \input{sections/01_introduction} \input{sections/02_related_work} \input{sections/03_problem_formalization} \input{sections/04_the_lookahead_bug} \input{sections/05_noise_harness_methodology} \input{sections/06_experimental_setup} \input{sections/07_results} \input{sections/08_discussion_and_conclusion} \bibliography{references} \end{document}