In J.M. Funk's chart of the "56-Year Cycle of Prosperity and Depression," the year 2025
belongs to the sequence of 1801-1857-1913-1969. This sequence is
[...] labeled "Panic. Dumping."
S&P 500 1969 - 70 = 2025 - 26 ?
Reference:
2025 in J.M. Funk’s '56-Year Cycle of Prosperity and Depression'.