S&P 500 Hurst Analysis: Projection into Mid-March 20-Week Cycle Low

The current 40-week cycle began at the November 21, 2025 trough. Its primary components are two 20-week cycles, which averaged 16.9 weeks (118 days = Delta cycle) over recent iterations. 

 

 SPY (daily candles), September 2025 to May 2026.

The low of the first 20-week cycle is expected to occur between March 17 and March 19 (Tue–Thu).
 

► 10-day cycle (7.6 days) low = Feb 24 (Tue)
► 20-day cycle (15.4 days) low = Mar 3 (Tue)
► 40-day cycle (31 days) low = Mar 17 (Tue)
► 80-day cycle (57 days) low = Mar 18 (Wed)
► 20-week cycle (118 days) low = Mar 19 (Thu)

 

The 40-week cycle (and 18-month cycle) trough is projected into late July (±).

 

See also:
TPR (August 5, 2025)  - Insights into J.M. Hurst's 40-Week Cycle AKA the 9-Month Cycle.

TPR (2025) - J.M. Hurst’s Cyclic Theory.

S&P 500 Index vs Delta Cycle | August 2018 - Update

| Aug 06 (Mon) Low | Aug 7 (Tue) up + High | Aug 08 (Wed) Sideways-to-Low |
Aug 09 (Thu) Sideways-to-High | Aug 10 (Fri) Sideways-to-Low | Aug 13-15 (Mon-Wed) High.
There will be a Partial Solar Eclipse (Super New Moon) on Aug 11 (Sat) 09:46 (EDT).

Russell 2000 Index vs Delta Cycle | August 2018 - Update

| Aug 06 (Mon) Low | Aug 7 (Tue) up + High | Aug 08 (Wed) Sideways-to-Low |
Aug 09 (Thu) Sideways-to-High | Aug 10 (Fri) Sideways-to-Low | Aug 13-15 (Mon-Wed) High |

S&P 500 Index vs Delta Cycle | August 2018

Jul 30 (Mon) Low | Aug 2 (Thu) High | Aug 06 (Mon) Low | 
Aug 15 (Wed) High | Aug 30 (Thu) Low |  Sep 10 (Mon) High

S&P 500 Index vs Delta of Inverted VIX | August 2018

Jul 30 (Mon) Low | Aug 2 (Thu) High | Aug 06 (Mon) Low |  Aug 14 (Tue) High

Russell 2000 Index vs Delta Cycle | August 2018

Jul 30 (Mon) Low | Aug 2 (Thu) High | Aug 06 (Mon) Low |  Aug 15 (Wed) High