Share New Research 
With reference to the SymbolData class in this example:
EMACrossUniverseSelectionExample
Has anyone an example of using composite indicators in this class? EG something like the following which is not working as regards the composite indicator.
class SymbolData(QCAlgorithm):
def __init__(self, symbol):
self.symbol = symbol
self.fast = ExponentialMovingAverage(100)
self.slow = ExponentialMovingAverage(300)
self.mix = IndicatorExtensions.Minus(ExponentialMovingAverage(300),ExponentialMovingAverage(100))
def update(self, time, value):
if self.fast.Update(time, value) and self.slow.Update(time,value) and self.mix.Update(time,value):
fast = self.fast.Current.Value
slow = self.slow.Current.Value
mix - self.mix.Current.Value
Anthony FJ Garner
This works if you amend line 6 as follows:
self.mix = IndicatorExtensions.Minus(self.fast,self.slow)Anthony FJ Garner
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.
To unlock posting to the community forums please complete at least 30% of Boot Camp.
You can continue your Boot Camp training progress from the terminal. We hope to see you in the community soon!