HOW TO EXPORT ASCII DATA FROM YAHOO
Go to Yahoo Finance Enter a symbol. Click on Historical Prices. Change the begin date and periodicity to what you want. Click Get Prices. The browser page will reload with the data series you requested.
Scroll to the bottom of the page and Click Download to Spreadsheet.
Your Excel (or other spreadsheet) program will load automatically with the Yahoo data already set up in columns as in the below image.
Name the file whatever
you want. Then save the file in the directory of your choice.
Click on the option button Yahoo.