Robinhood Rises 1.91% as $4.38B Volume Ranks 20th in U.S. Stocks

. 18, , . stocks by dollar volume. The surge followed a strategic shift in its commission-free trading model, as the platform introduced enhanced risk-management protocols for volatile securities. Analysts noted the move signals a recalibration of its risk appetite, aligning with broader industry trends toward regulatory compliance amid heightened scrutiny of retail trading platforms.

, driven by expanded access to derivatives and crypto products. However, , reflecting investments in cybersecurity infrastructure and staff training. The company remains focused on balancing user growth with margin stability, as it navigates a competitive landscape marked by price wars among fintech rivals.

To run this back-test accurately I need to pin down a few implementation details: 1. Market universe • Should we screen every U.S. common stock (NYSE + NASDAQ + AMEX), or another universe (e.g., S&P 500 constituents, Chinese A-shares, etc.)? 2. Selection rule timing • Do we rank stocks by the previous trading day’s dollar volume, then buy them at the next day’s open (typical procedure)? • Or do you want to rank and buy on the same day’s close? 3. , , , etc.? 4. Transaction cost & slippage assumptions • e.g., , , ? 5. Benchmark (optional) • Would you like the strategy compared to a benchmark (e.g., ? Once I have these details I can lay out the data-retrieval steps, call the tools, and deliver the full back-test.