S&P 500 Seasonality vs Advance/Decline Line

S&P 500 Seasonality

Historical monthly return patterns

-0.20%

-300.00%

Average

Advance/Decline Line

NYSE advancing vs declining stocks

5,800

-17.14%

Normal

Indicator Comparison

	S&P 500 Seasonality	Advance/Decline Line
Current	-0.20%	5,800
Change	-300.00%	-17.14%
Status	Average	Normal
Data Source	Yahoo Finance ^GSPC	Yahoo Finance / WSJ
Update Frequency	Monthly	Daily
Last Updated	August 13, 2026	August 12, 2026