Hi,
I just started using Quantconnect a few days ago and as I was backtesting my first algorithm I noticed that it only runs the test for this month, April 2020. And whenever I want to set the start date further in the past, March or Februrary, I get this message :
The starting date for symbol ABC, 2020-03-01, has been adjusted to match map file first date 2020-04-03.
What should I go so that I can set any start date I want?
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Hi Orlando,
Usually, when we use a start date that is earlier than the earliest date of our data subscriptions, the start will be adjusted so that we avoid empty sections in our back test. However in this case, ABC has data going back as a far as 2001, which means this message should not be thrown. It's hard to debug the issue without seeing a code snippet or back test. Please attach the code which produced this message. It will be very helpful in understanding the issue.
Best
Rahul
The material on this website is provided for informational purposes only and does not constitute an offer to sell, a solicitation to buy, or a recommendation or endorsement for any security or strategy, nor does it constitute an offer to provide investment advisory services by QuantConnect. In addition, the material offers no opinion with respect to the suitability of any security or specific investment. QuantConnect makes no guarantees as to the accuracy or completeness of the views expressed in the website. The views are subject to change, and may have become unreliable for various reasons, including changes in market conditions or economic circumstances. All investments involve risk, including loss of principal. You should consult with an investment professional before making any investment decisions.
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