The stock market on September 15, 1975
September 15, 1975, a Monday. The S&P 500 fell 0.50% to close at 82.88. Of 4,617 US stocks that traded, 732 rose and 1,464 fell.
The S&P 500-0.50%closed at 82.88
How big a move#12,372of 24,799 trading days since 1928
$100 in the index since$9,296price only, to September 24, 2026
Stocks that rose732of 4,617; 1,464 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Continental Telecom (CTC) | +4.4% |
| Noram Energy Corp | +4.2% |
| Goodyear Tire & Rubber (GT) | +2.7% |
Biggest falls among the 500 largest companies
| Beker Industries | -7.8% |
| Delta Air Lines (DAL) | -7.3% |
| Aetna (AET) | -6.8% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 12, 1975 · Every September 15 · September 16, 1975 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.