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Is there a way to use a trailing stop but instead for identifying the bottom?

I am trying to basically follow a bottom point as if using a trailing stop in reverse. Once the market moves up a certain percentage, it would trigger a buy signal. Thanks in advance for any help - hopefully I don't sound dumb.

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Some of the built-in indicators here may be helpful.

Would be quite simple to code your own Indicator as well. Simple logic without any indicators would follow something like:

def Initialize(self):
self.lowestSPY = 999 # Lowest observed price
self.buyThreshold = 0.1 # Percent change from lowest price to trigger buy

def OnData(self, data):

close = data['SPY'].Close

# Reset the lowest price
if close < self.lowestSPY:
self.lowestSPY = close
return

# Measure how much price changed from lowest price
pctChange = ( close / self.lowestSPY ) - 1.0

# Buy SPY when triggered
if pctChange > self.buyThreshold:
self.SetHoldings('SPY', 1)

 

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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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