I am back testing a strategy on VIX through Yahoo finance. The problem is that whatever starting date I enter it always start at 02/02/2010. I checked the historical data on my computer and I have data since 01/01/2005 and I can chart it. For those of your who are curious about it, I do not trade VIX I add it as a second bar series on ES but again because of the VIX the back testing starts only on 02/02/2010.
Anybody has any suggestions?
Thanks,
aseke

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