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Recommended Initial Data period for Building

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Andre Alexa

Customer, bbp_participant, 7 replies.

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3 years ago #268108

Hello, I am new here. I am building strategies for EURUSD on H1 using default Breakout config.

The data I use for the building is 2011 – 2018 (Eight years) and I set Data range parts with 10 OOS (the last option). I on purpose leave 2019-202 as out of sample for the final OOS test.

I manage to generate  promising strategies using the robustness tests as instructed in the training videos.

All final strategies are great when I backtest using long term data such as  2003-Today (17 years) or 2011 – Today (10 years).
However if I run the strategies on 2018-2020 (now) meaning the last 3 years I can see the strategies are struggling. The equity curves are bad. With that fact, seems these strategies are failing to make stable profit for the past 3 years market data.

It seems cuvefitting is still happening even after the strategies have been tested rigorously.

Am I already in the right track? Or am I choosing the data period wrong in the building process?
Should I focus SQX to train on the most recent years (for example 2015-2020)?

Thank you,

Andre

 

 

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