Why Can’t I Export More Than 100K Bars On MT5 Export script

[Jaylon Nichols]

I have “Max bars in chart” set to “Unlimited”.

But when I change the “Maximum count of bars” from 100K to 500k It does not export any bars.

It works with 100k but why does it not work with 500k?

[Jaylon Nichols]

UPDATE!
It does work It just takes a long time. Like 5 – 10min to load.

[Alan Northam]

Jaylon:  The problem with downloading the historical data from MT4 or MT5 is that the broker usually doesn’t provide much data.  To make sure you are downloading the maximum possible data from your broker follow the procedure as explained by in the following video:

If the maximum data available from your broker is not sufficient to do the required backtesting then Petko has another procedure you can use to get more data to use so you can get a reliable backtest over your required lookback period.  See the following video:

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