HPs 380M Volume Surge Propels It to 298 on Dollar Volume List Despite 023 Price Dip

On October 7, 2025, HP Inc. (HPQ) traded with a volume of $0.38 billion, reflecting an 86.1% increase from the previous day's trading activity. This placed the stock at rank 298 among all listed equities in terms of dollar volume. Despite the surge in liquidity, shares closed marginally lower by 0.23%.

Recent market dynamics suggest heightened institutional interest in HP's liquidity profile. The significant jump in trading volume indicates potential strategic positioning by market participants, though the muted price movement implies a balance between buy and sell pressures. Analysts note that the stock's performance aligns with broader sector trends but lacks catalysts to drive directional momentum.

Technical indicators show mixed signals for near-term positioning. While the elevated volume suggests short-term volatility, the lack of follow-through in price action raises questions about the sustainability of any emerging trends. Market observers are monitoring whether the increased liquidity will translate into a sustained trading pattern or dissipate as a one-day anomaly.

To run this back-test rigorously I need to pin down a few implementation details: 1. Market universe - Should we screen all U.S. listed common stocks (NYSE + NASDAQ), or a different universe (e.g., only S&P 1500, only stocks above a minimum price, etc.)? 2. Rebalancing mechanics - Do we buy the top-500 by previous day’s dollar volume at that day’s close and exit at the next day’s close (i.e., close-to-close return)? Equal-weight each name, or weight by dollar volume or market-cap? 3. Costs & constraints - Assume zero commissions/slippage, or apply a round-trip cost (e.g., 5 bps per trade)? Any liquidity filter besides being in the top-500 by volume? Let me know your preferences on these points and I’ll proceed with the data pull and back-test.