The Bruce Overnight Edge: December Top Symbols and Concentration

An Active December

Bruce Markets is refusing to slow down as we approach the end of the year. We are seeing sustained activity and broad participation across the board. The typical narrative of a quiet December has been replaced by the reality of high engagement with our clients.

By The Numbers¹

The breadth of this market is the real story. Month to date in December, clients have traded over 1,800 unique symbols on the Bruce ATS. This represents a 81% increase in unique symbols traded over November.

Bruce’s top 10 names for notional ($) represented 54% of the total amount of notional traded month to date.

Bruce’s top 10 names for volume (shares) represented 48% of the total amount of notional traded month to date.

Bruce Notes

• Extra Federal Holidays - We have received questions regarding the President’s recent Executive Order about additional federal holidays. We want to confirm that this order does not affect our market hours. The Bruce overnight session will continue to operate as scheduled.
• End of Year Holiday Schedule
  • Wednesday December 24, 2025 - No overnight session
  • Thursday December 25, 2025 - Regular overnight session starting at 8:00pm ET
  • Wednesday December 31, 2025 - No overnight session
  • Thursday January 1, 2026 - Regular overnight session starting at 8:00pm ET

The Bruce Markets Team

¹ All data is from internal Bruce ATS sources through trade date 12/19/2025