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Historical price data limitation - cant load price data for dates older than 1 year before test starting date

MQL5 Consultation Trading robot/indicator debugging

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Spécifications

PROBLEM: 
It seems that when my EA runs at the strategy tester it cannot access data that are sufficiently old.

In particular, it loads data that are maximum one year old from the date that I wish to start running the EA but not older than that.

For in the following example if I start the EA on 2019.01.01 the oldest date for which it can access price data,irrespective of the timeframe used, is 2018.01.02.

2021.02.28 14:17:48.157 USDJPY,M1: history cache allocated for 1180536 bars and contains 370922 bars from 2018.01.02 00:00 to 2018.12.31 21:00

2021.02.28 14:17:48.157 USDJPY,M1: history begins from 2018.01.02 00:00

2021.02.28 14:17:49.057 USDJPY,M30: history cache allocated for 39401 bars and contains 12414 bars from 2018.01.02 00:00 to 2018.12.31 21:00

2021.02.28 14:17:49.058 USDJPY,M30: history begins from 2018.01.02 00:00

2021.02.28 14:17:49.236 USDJPY,H4: history cache allocated for 4927 bars and contains 1554 bars from 2018.01.02 00:00 to 2018.12.31 20:00

2021.02.28 14:17:49.237 USDJPY,H4: history begins from 2018.01.02 00:00

That particular date comes up as the result in both of the following cases:

datetime(SeriesInfoInteger(_useSymbol,PERIOD_M1,SERIES_FIRSTDATE))

datetime(SeriesInfoInteger(_useSymbol,PERIOD_M1, SERIES_TERMINAL_FIRSTDATE))

My question regarding this particular example is the following:

Does anybody know how I can force the EA to load price data for dates older than 2018.01.02 00:00 (one year before the date on which I start running the EA)?

Given that 2018.01.02 00:00 is the very first date in the history of the symbol on the server, is it possible for this date to be changed?


I have already tried the following but have not managed to make any of the proposed solution work..

A)  ChartNavigate() (after reading https://www.mql5.com/en/forum/229215 )

B) ROMAN KOTOV’s proposed code, comment #8( https://www.mql5.com/en/forum/229215)

C) CheckLoadHistory() (https://www.mql5.com/en/docs/series/timeseries_access)

D) CopyTime () (Alain Verleyen’ proposal at comment #3) (https://www.mql5.com/en/forum/286608 )

Any help would be massively appreciated.

Thank you for your time in advance.


PROCEDURE: 

I will share with the developer an example EA on which he will add his code to achieve the requested result (which will be clearly stated below). 

In the end I expect to get the source code so that I can add it at my own algo.

Once he has received the payment, I also expect the developer to spend maximum 30 minutes to explain to me clearly how he did it. 


DESIRED RESULT:

The code that the developer will write should enable the example algo to access pricedata (irrespective of the timeframe) for a date that is up to 3 years older than the starting date of the test.
For instance if I run the example algo on the strategy tester from 2016.01.01 to 2019.01.01, the example algo containing the code I will receive from the developer, should be able to recall price data from dates within the following timewindow 2013.01.01-2016.01.01.   

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