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Hello All,
Sorry in advance for this newbie question. If I want my algorithm to use data from a previous a candle, is a rolling window the only way to do do that? For example, if I want my algorithm to buy when the RSI close two candles prior was < 30 and the most recent RSI close bounced by at least 5, what would be the most efficient way to code that?
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Rahul Chowdhury
Hey Garret,
Although rolling windows aren't the only way to accomplish what you want, they are the most efficient way.
I've written up an example for you to see rolling windows work. In this algorithm, I created a SymbolData class, which can hold any indicators and rolling windows we need for each symbol. An event handler method, which is called every time our RSI indicator is updated, will also add values to our rolling window.
Check out the comments for more details on how it works!
Garrett Grow
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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