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On October 9, 2025,
(DOM) traded with a volume of $360 million, marking a 56.51% increase from the previous day's activity. The stock ranked 309th in trading volume among U.S. equities, while rival pizza chain (DPZ) fell 1.98% during the session.Recent market movements reflect broader sector dynamics rather than company-specific news. The surge in DOM's volume aligns with renewed investor interest in food services stocks following regulatory updates on supply chain cost controls. Analysts noted that the volume spike occurred amid a consolidation phase in the fast-casual dining sector, with DOM's pricing strategy under renewed scrutiny as competitors adjust menu costs.
For back-testing analysis, the following parameters require clarification to ensure accuracy: 1. **Universe Definition**: Should the benchmark include all U.S. equities or focus on indices like S&P 500/Russell 3000? 2. **Execution Assumptions**: Will trades be modeled using close-to-close prices or open-to-close pricing? 3. **Position Weighting**: Equal weighting across 500 names or market-cap weighting? 4. **Bias Considerations**: Should delisted stocks be excluded for simplicity, or is survivorship-bias correction required? These parameters will determine the data collection methodology and back-test scope, which will run from January 3, 2022, to the latest trading day.

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