FinForesight: A Diagnostic Backtesting Benchmark for Deep Research Systems in Financial Forecasting Researchers introduced FinForesight, a diagnostic backtesting benchmark for evaluating deep research systems on financial forecasting, warning that historical backtests may reward memorized outcomes or information retrieved rather than genuine forecasting ability. The benchmark targets the difficulty of assessing whether such systems synthesize evolving evidence and reason under uncertainty. No performance figures or results were disclosed in the available text. Anticipating financial outcomes requires synthesizing evolving evidence and reasoning under uncertainty, making deep research systems promising tools for forecasting. Yet evaluating forecasting ability is challenging because historical backtests may reward memorized outcomes or information retrieved