The stock market on October 20, 1980
October 20, 1980, a Monday. The S&P 500 rose 0.83% to close at 132.61. Of 4,625 US stocks that traded, 1,409 rose and 1,538 fell.
The S&P 500+0.83%closed at 132.61
How big a move#7,703of 24,799 trading days since 1928
$100 in the index since$5,810price only, to September 24, 2026
Stocks that rose1,409of 4,625; 1,538 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Pogo Producing Co (PPP) | +10.8% |
| Delhi Intl Oil Corp (DLH) | +8.7% |
| Ual Corp. (UAL) | +8.7% |
Biggest falls among the 500 largest companies
| Transamerica (TA) | -3.9% |
| Intl. Flavors & Frag. (IFF) | -3.9% |
| Whirlpool (WHR) | -3.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 17, 1980 · Every October 20 · October 21, 1980 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.