Archer Aviation Surges 3.06% on Regulatory Optimism, Ranked 378th in $260M Trading Volume
Archer Aviation (ACHR) rose 3.06% on September 12, 2025, with a trading volume of $260 million, ranking 378th in market activity that day. The stock's performance was driven by renewed investor confidence in its electric vertical takeoff and landing (eVTOL) aircraft development timeline, following recent regulatory updates and production milestones. Analysts noted improved sentiment around the company's ability to meet its 2026 certification target, which has historically been a key price driver for the stock.
Recent developments include confirmation of a critical component supplier agreement that reduces production risks, along with positive technical evaluations from third-party aviation experts. While the market remains selective with high-growth tech plays, Archer's focus on near-term regulatory clarity has positioned it as a more tangible bet compared to peers with longer development horizons. Institutional buyers appear to be incrementally increasing exposure ahead of potential catalysts in the coming quarter.
To run this back-test properly I need to build the portfolio day-by-day from a very large universeUPC--, because "top 500 by trading volume" is a cross-sectional rule that changes every session. Before I launch the data-gathering routine, could you confirm (or adjust) the following working assumptions so I can set the process up correctly: 1. Universe • All U.S. common stocks listed on NYSE, NASDAQ and AMEXAXP-- (delisted names included for survivorship-bias control). 2. Re-balancing rule • Each trading day, after the close, sort that day’s universe by dollar trading volume (shares × close). • Buy an equal-weighted basket of the top 500 names at that day’s close; sell them at the next day’s close (one-day holding period). • Re-invest proceeds the next day using the same rule. 3. Pricing / execution assumptions • Use official daily close prices (no bid/ask or slippage adjustment). • Ignore transaction costs for now (can add later if desired). 4. Back-test window • 2022-01-03 through 2025-09-11 (latest available full trading day). If that matches what you have in mind I’ll start the data-retrieval and back-testing workflow immediately. If you’d like any changes (e.g., a different market, fewer constituents, transaction-cost assumptions, etcETC--.) just let me know.
Encuentre esos activos que tengan un volumen de transacciones excepcionalmente alto.
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