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Limiting set holdings to once a day

 I have an algo that has different holdings for long or short periods.  It runs on hourly bars.  I am using a position flag to tell it if it is long or short with an if , elsif statement.  The issues is sometimes in back testing it will fluctuate during on day long , short, long, or short , long, short.

I would like to limit it so that it will only generate one signal per trading day.  Any sugguestions.

 

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When you call SetHoldings you could cache self.Time.day then check against that again before you do your next SetHoldings.

# In Initialize
self.LastTime = None

# In OnData
if not self.LastTime == self.Time.day:
self.SetHoldings('SPY', 0.5)
self.LastTime = self.Time.day


Or you could use Scheduled Events: 

https://www.quantconnect.com/docs/algorithm-reference/scheduled-events#Scheduled-Events-DateTime-Rules

 

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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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