Datadog Shares Slide 1.8 as $520M Volume Plummets 30% to Rank 217th in U.S. Trading

On October 7, 2025, Datadog (DDOG) closed with a 1.80% decline, trading at $0.52 billion in volume—a 30.29% drop from the previous day. The stock ranked 217th in trading activity among U.S. equities.

Recent developments suggest mixed investor sentiment. A reduction in trading volume signals potential profit-taking or caution ahead of earnings or product announcements. Analysts note the stock’s performance aligns with broader market volatility, though sector-specific dynamics remain under scrutiny.

To run this back-test accurately, I need to firm-up a few implementation details: Market universe, execution convention, rebalancing and weighting, and benchmark. Once these points are set, I can pull the data, generate the day-by-day trading signals, and run the back-test from 2022-01-01 through today.