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I have some questions with how the CAGR statistic is being calculated in the summary statistics section. For instance I set my algorithm start data to July 18 2016 (Exactly 2 years ago), and over this period it returns 53.77%. I've always thought the CAGR formula would ((EndVal/StartVal)^(1/Years))-1 or ((1.5377/1)^(.5))-1, which is 24.00%. However in the summary statistics it is saying 10.84% for my CAGR. I'm using a long SetWarmup period and this is the only thing I can think of as the reason for such a dramatic difference. Is this intentional? Just thought I'd bring it up since now I have to recalculate those statistics to check them.
Thank you!
SLPAdvisory
Did some checking and the CAGR output the summary gave me is equal to what the CAGR formula is if the start date is the start of the warmup period, instead of the start date of the algorithm
Jared Broad
Interesting! Do you mind posting an example which exaggerates the issue? This is the LEAN CAGR calculation. If you can isolate and prove a bug we'll post an issue and flag for a fix.
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SLPAdvisory
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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