Underfolio

Every trading day › 1981

The stock market on October 15, 1981

October 15, 1981, a Thursday. The S&P 500 rose 0.77% to close at 119.71. Of 5,005 US stocks that traded, 1,465 rose and 1,482 fell.

The S&P 500+0.77%closed at 119.71
How big a move#8,423of 24,799 trading days since 1928
$100 in the index since$6,436price only, to September 24, 2026
Stocks that rose1,465of 5,005; 1,482 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Phoenix Resource Cos (PHN)+8.8%
M/a-com (MAI)+6.8%
Unisys (UIS)+6.4%

Biggest falls among the 500 largest companies

Placer Dome Inc (PDG)-5.9%
Smith International (SII)-4.0%
Lucky Stores (LKS)-3.8%

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

‹ October 14, 1981 · Every October 15 · October 16, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.