In October 2026 the Dow rose 1.7%, from 50,906.05 on Sep 30 to 51,770.31 on Oct 30, while the Nasdaq‑100 fell 6.7%, from 30,408.50 to 28,384.85. The gap of 8.4 points ranks 17th of 501 months since February 1985; the last larger gap was October 2022.
The Nasdaq‑100 set its record close of 31,224.69 on Oct 6, 2026 and ended the month 9.1% below it. The Dow’s record close was 54,349.12 on Aug 5, 2026; on Oct 30 it was 4.7% below. For 2026 through Oct 30, the Nasdaq‑100 was up 12.4% and the Dow 7.7%. The months before were mixed: in July the Dow beat the Nasdaq‑100 by 6.9 points, and in September the Nasdaq‑100 led by 7.5.
These are dated readings. The history above describes what followed past gaps; it is history, not a signal, and it does not say what November 2026 or the next year will bring. Concentration in the largest stocks is covered in the Magnificent 7 vs the other 493.