Schlumberger Climbs 0.44 on 330M Volume Ranks 339th in Daily Trading Activity
Schlumberger (SLB) closed on October 3, 2025, with a 0.44% gain, trading on a volume of $0.33 billion, ranking 339th in market activity for the day. The stock's performance reflects investor focus on the energy services sector amid evolving market dynamics.
Recent developments suggest sustained interest in Schlumberger’s operational strategies as the company navigates shifting demand patterns in oilfield services. Analysts noted that the firm’s ability to balance cost efficiency with technological innovation remains a key factor for near-term momentum. No material earnings updates or regulatory announcements were reported during the period.
To run this back-test rigorously I need to be sure we’re on the same page regarding a few details that affect both data retrieval and modelling: 1. Universe • Should we limit ourselves to U.S.–listed common stocks (NYSE / NASDAQ / AMEX), or do you want a global universe? 2. “Top 500 by daily trading volume” • Are you ranking by share volume or dollar volume (shares × price)? • Re-ranking happens each trading day, correct? 3. Trade conventions • Enter at the close the same day the ranking is done and exit at the next day’s close (i.e., 1-day holding period), equal-weighting all 500 names? 4. Frictions • Should we ignore transaction costs and slippage, or would you like to assume something (e.g., 5 bps per side)? If the above defaults (U.S. stocks, share volume ranking, close-to-close returns, equal weight, zero costs) are acceptable, let me know and I’ll proceed with the back-test.

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