Silicon Investor SM gives opening price as well as high, low, close, adjusted volume, and adjusted close. The user can toggle the 200-day display from descending to ascending order. We found IBM, Unicom, and Ford Motor Co. back to January 2, 1968. Finance offers Historical Quotes in daily, weekly, or monthly increments. We found daily quotes for IBM going back to 1962 and Unicom Corp. to 1970.
Finance also includes dividends.
The source we use most often for historical stock prices is the Daily Stock Price Record , formerly called the ISL Daily Stock Price Index . Each volume contains prices for a calendar quarter. Newspapers For dates earlier than our holdings of the Daily Stock Price Record , we consult the Wall Street Journal , which we own back to 1970, and the New York Times , back to 1900. Newspapers also list a selection of stocks traded on regional exchanges, such as the Chicago Stock Exchange. Many newspapers publish daily stock price listings, though some have more comprehensive lists than others.