S&P 500 Seasonality vs Advance/Decline Line

S&P 500 Seasonality

Historical monthly return patterns

-1.00%

-1,100.00%

Average

Advance/Decline Line

NYSE advancing vs declining stocks

4,400

-37.14%

Normal

Indicator Comparison

	S&P 500 Seasonality	Advance/Decline Line
Current	-1.00%	4,400
Change	-1,100.00%	-37.14%
Status	Average	Normal
Data Source	Yahoo Finance ^GSPC	Yahoo Finance / WSJ
Update Frequency	Monthly	Daily
Last Updated	September 27, 2026	September 25, 2026