ascii Data from the beginning of trading in New York (1790).

Intraday 1-minute ohlc:

S&P500 – 8/2023 +
GLD  – 7/2024 +
IWM – 8/2024 +
NASDAQ  – 5/2024 +
NDX  – 7/2024 +
NYA  – 7/2024 +

daily:

Industrial Average – 1885 – 2025

S&P500 – 1950 – 2025

NASDAQ – 1971 – 2025

Dow Transport Average – 1896 – 2025

Dow Utilities Average – 1929 – 2025

monthly:

Industrial Average – 1790+

Averages represented during the different daily time periods:

14-Stock Average 1885

12-Stock Average 1886 – 1889

20-Stock Average 1890 – 1896

12-Industrials 1897 – 7/31/1914 (market close)

20-Industrials 12/12/1914 (market reopen) – 10/1/1928

30-Industrials 10/2/1928 – 2025

Order