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On September 24, 2025,
(JPM) closed with a 0.22% gain, trading on a volume of 2.29 billion shares, ranking it 33rd in terms of trading activity for the day.Recent market analysis highlights mixed momentum in the banking sector, with JPMorgan’s performance reflecting broader sectoral trends. Institutional activity remained subdued, as large-cap financial stocks faced cautious positioning ahead of upcoming macroeconomic data releases. Analysts noted limited directional bias in pre-market activity, with order flow concentrated in mid-cap growth sectors rather than defensive financials.
Positioning metrics suggest short-term traders maintained disciplined risk management, with no significant institutional block trades reported. Technical indicators showed moderate bullish pressure, though momentum indicators remained within neutral ranges. Market participants appeared focused on earnings visibility for the remainder of the quarter rather than immediate macroeconomic catalysts.
To build an accurate back-test I need to pin down a few practical details that weren’t fully specified in your request. Once these are confirmed I’ll generate the data-retrieval plan and run the back-test automatically.
1. Stock universe • Should we use all liquid U.S. common stocks (NYSE + NASDAQ + AMEX), or limit ourselves to a defined list such as the S&P 500 constituents? • If you prefer a non-U.S. universe, please specify.
2. Ranking & trade timing • Entry time: rank by today’s trading volume and enter at today’s close, or at tomorrow’s open? • Exit time: leave the position at the next day’s close (24-hour hold) or at the next day’s open?
3. Weighting • Equal-weight each of the 500 names, or weight by traded volume / market cap?
4. Trading frictions • Assume zero transaction costs/slippage, or apply a cost (e.g., 0.05 % per leg)?
If you’re happy with common defaults, here is what I would use: • Universe: All U.S. common stocks that have traded every day since 2022-01-03. • Entry: buy at the same-day close after ranking. • Exit: sell at the next-day close. • Weighting: equal weight across the 500 names. • Friction: none.
Please confirm or adjust any of the above so I can proceed.

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