OEF is trading 3.18% higher at $399.25 after rising sharply from its September 22 close of $386.93; the move remains unexplained, with no clear catalyst identified for September 23, 2026.

  • OEF is a diversified S&P 100 ETF.
  • Broader U.S. index futures were nearly flat.
  • Thin pre-market liquidity or stale pricing may explain the move.