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Not anymore, the yahoo finance is unfortunately broken...

• jason_slack 9y ago
  I have it working pulling historical data based on symbol
  • SirLJ 9y ago
    Sure, but there are maybe over 10000 companies including non existing ones and you need them all for your back testing to be valid...
    • jason_slack 9y ago
      I see your point. Scripting this and running on cron could help.
      • SirLJ 9y ago
        Make sure the delisted companies are included...