S&P 500 (daily bars): 40-day cycle trough due (± 3 CD) December 23 (Tue).
While the 20-week, 40-week, and 18-month cycles all remain in decline, a counter-trend Santa Claus rally of uncertain
magnitude is expected into year-end early-January 2026 (see 'Schematic Structure of Hurst's Nominal 40-Day Cycle' below).
Next 80-day, 40-week, and 18-month troughs are currently projected to around January 25 (Mon), 2026.
[Actual average lengths of the nominal 20-day, 40-day, 80-day, 20-week, and higher-order cycles of
each instrument are indicated in the stacked, color-coded boxes at the bottom right of the charts.]
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NASDAQ (daily bars): 40-day cycle trough due ± December 23 (Tue).
Next 80-day, 40-week, and 18-month cycles troughs are currently projected to around January 25 (Mon), 2026.
Crude Oil (WTI, daily bars): 40-day cycle trough due ± December 19-21 (Fri-Sun).
Next 80-day, 40-week, and 18-month cycles troughs are currently projected to around February 17 (Tue), 2026.
Gold (daily bars): 40-day and 80- day cycles troughs are due between ± December 28 (Sun) and January 5 (Mon), 2026.
Next 40-week and 18-month cycle troughs are currently projected to around late February-mid March 2026.
Bitcoin (daily bars): 40-day cycle trough due ± December 20 (Sat).
Next 80-day, 40-week, and 18-month cycles troughs are currently projected to around January 19 (Mon), 2026.
[Cycle Analysis as of December 18, 2025 | 11:00 a.m. EST]
See also:
