Underfolio

Every trading day › 1969

The stock market on October 21, 1969

October 21, 1969, a Tuesday. The S&P 500 rose 0.77% to close at 97.20. Of 2,191 US stocks that traded, 1,253 rose and 671 fell.

The S&P 500+0.77%closed at 97.20
How big a move#8,405of 24,799 trading days since 1928
$100 in the index since$7,926price only, to September 24, 2026
Stocks that rose1,253of 2,191; 671 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Reliance Group Inc (REL)+10.0%
National Gypsum Co (NGCO)+8.1%
Flagstar Corp+7.6%

Biggest falls among the 500 largest companies

Natomas Co (NOM)-10.1%
Aquitaine Co Canada Ltd (AQC)-8.5%

Stock moves count dividends; the index is price only. Market values after 2024 are estimates.

‹ October 20, 1969 · Every October 21 · October 22, 1969 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.