NIO's $490M Volume Ranks 231st in U.S. Trading Activity as Deliveries Surge 55% Year-Over-Year

On September 8, 2025, , . , ranking 231st in daily activity, reflecting renewed investor interest amid strategic developments.

, . This record performance underscores NIO’s aggressive production targets, . .

NIO expanded its partnership with insurance tech firm Cheche Group to streamline post-sales services, including policy issuance and claims management. CEO emphasized the collaboration’s potential to enhance customer experience and drive growth as delivery volumes scale. The third-generation ES8, , also gained attention for its competitive positioning and safety features.

To run this back-test rigorously I need to pin down a few practical details: 1. Universe • Should we use all U.S. common stocks listed on NYSE + NASDAQ + AMEX, or a different universe? 2. Volume definition • Rank by “shares traded” or by “dollar volume” (price × shares)? 3. Portfolio construction • Equal-weight the 500 names each day and hold them for exactly one trading day (i.e., buy at today’s close, sell at tomorrow’s close)? • Any transaction-cost assumption? (e.g., 5 bp per leg) 4. Benchmark / comparison • Compare against SPY, or is raw return sufficient? Once these points are confirmed I can fetch the daily volume data, identify the top-500 list each day from 2022-01-03 to the present, build the one-day-hold portfolio, and generate a full performance report.