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historical data alignment with timezone

1 replies

7 years ago #115118

I do not quite understand importance of the alignment of the historical data with timezone of the environment the EA will work in.

Let say my data is aligned with GMT timezone. I found the right strategy and use it with the broker at GMT+2 datacenter.

What difference does it make?

Why alignment is critical?

Is it only critical on short timeframes? What would be considered a short time frame? 30M, 15M and lower?

Leonid

7 years ago #136916

If the strategy uses pivots, Today’s Open, Daily H, Daily L, Daily O, Daily C, trades in a specific time range, exits at end of day, or references a specific time or hour then your backtesting will be invalid on different timezone data.

If it only uses indicators and none of the above then it doesn’t matter.

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