Historical data going back >30 yrs

N

NoWorries

Many data vendors offer EOD data going back 15-20 yrs. Can anyone recommend a source for EOD securities data going back much longer (1950~), ideally split-adjusted and (most important) including delisted stocks?
 
that's very helpful, thanks. It seems Yahoo does not show delisted securities though, so it's a first step. Eventually, I'm looking for a data source that includes delisted securities as well, in order to avoid survivorship bias.
 
The CRSP database from the Univ or Chicago.

A product called MarketQA from Quantitative Analytics.

A product called Unfair Advantage from Commodity Systems Inc.

Ford Equity Research Database from Ford Equity Research.

A company called Global Financial Data.

The Factset database, maybe?
 
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