OneMedNet Soars 148.54% on $670M Surge Jumps to 182nd Most Traded Stock Amid Sector Rally

On October 6, 2025, OneMedNet (ONMD) surged 148.54% with a trading volume of $670 million, representing a 583,337.4% increase from the previous day. The stock ranked 182nd in trading activity among listed equities. This sharp price movement followed a series of developments in the healthcare technology sector, though no direct corporate announcements were disclosed during the period.

Analysts noted that the volatility could be attributed to broader market sentiment shifts rather than company-specific news. The stock's performance aligned with a thematic rebound in digital health equities, driven by renewed investor confidence in the sector's long-term growth potential. However, the absence of fundamental catalysts such as earnings reports, product launches, or partnership updates limited the ability to isolate the exact drivers of the price action.

Market participants highlighted the stock's liquidity profile as a key factor. The extraordinary volume spike suggests potential algorithmic trading activity or large-scale institutional positioning, though no official statements confirmed such activity. The lack of regulatory filings or press releases further obscures the rationale behind the price surge.

I can certainly help you study that idea, but the tooling we have available here is designed for single-ticker event or signal back-tests. Running a daily, cross-sectional strategy that re-sorts the entire market each day and builds a 500-stock portfolio would require a custom engine that the current tool set doesn’t expose. A few ways we could still move forward: 1. Approximation route • Pick an existing ETF or index that already holds a large-cap, high-liquidity basket (for example, the equal-weight S&P 500 ETF “RSP”). • Back-test the “one-day-hold / daily-rebalance” idea on that single ticker. • This wouldn’t be a perfect replica of “top 500 by volume,” but it does give us a sense of how an equally weighted, broad large-cap basket performs with a 1-day holding period. 2. Clarify the universe and constraints so that we can break the question into smaller parts the tools can handle (e.g., focus on one specific ticker at a time, or treat “top-volume day” as an event on a single stock). 3. Export the requirement for an offline, fully custom back-tester (outside the current chat environment). Please let me know which path you’d prefer—or if you’d like a different approximation—so I can proceed accordingly.