Strategy tester

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Hi everyone,
I’m having an issue with MT5 Strategy Tester where the test doesn’t start at all (0% progress, no trades, no clear errors in the log).

The EA is relatively complex (multi-timeframe: M5 entries, H1 confirmation, H4 trend, multiple indicator handles, CopyBuffer usage, trade throttling). The same logic works fine on a live/demo chart, but in the Strategy Tester just refuses to run and i forced to roll back to an earlier more stable build in order to complete the test.

My question is:
Is reverting to an older MT5 build the only reliable solution in cases like this, or are there known fixes/workarounds for recent builds?

I’m trying to understand whether this is a platform/build limitation or something that can be handled purely in code.

Any insight from people who’ve dealt with similar tester behavior would be appreciated.

Thanks in advance.

 
Milan Tasic:

Hi everyone,
I’m having an issue with MT5 Strategy Tester where the test doesn’t start at all (0% progress, no trades, no clear errors in the log).

The EA is relatively complex (multi-timeframe: M5 entries, H1 confirmation, H4 trend, multiple indicator handles, CopyBuffer usage, trade throttling). The same logic works fine on a live/demo chart, but in the Strategy Tester just refuses to run and i forced to roll back to an earlier more stable build in order to complete the test.

My question is:
Is reverting to an older MT5 build the only reliable solution in cases like this, or are there known fixes/workarounds for recent builds?

I’m trying to understand whether this is a platform/build limitation or something that can be handled purely in code.

Any insight from people who’ve dealt with similar tester behavior would be appreciated.

Thanks in advance.

Step 1: contact your EA developer.
 
Oleksandr Medviediev #:
Step 1: contact your EA developer.
Thanks for the reply.

I am the EA developer, and the logic has already been verified:
– The EA runs correctly on live and demo charts
– All indicator handles are valid
– No runtime errors or invalid handles are reported
– The issue appears only in the Strategy Tester on recent MT5 builds

Rolling back to an earlier stable build makes the tester work again with the same code.

That’s why I’m trying to understand whether this is a known Strategy Tester build related limitation, or if there are specific tester related constraints (multi-timeframe data loading, CopyBuffer timing, indicator initialization order, etc.) that should be handled differently in recent builds.

Thanks again

 
Milan Tasic # :
Thanks for the reply.

I am the EA developer, and the logic has already been verified:
– The EA runs correctly on live and demo charts
– All indicator handles are valid
– No runtime errors or invalid handles are reported
– The issue appears only in the Strategy Tester on recent MT5 builds

Rolling back to an earlier stable build makes the tester work again with the same code.

That’s why I’m trying to understand whether this is a known Strategy Tester build related limitation, or if there are specific tester related constraints (multi-timeframe data loading, CopyBuffer timing, indicator initialization order, etc.) that should be handled differently in recent builds.

Thanks again

The version you are using has this bug in the tester. Update to the latest beta version, and it has been fixed.
 
Thanks for clarification, much appreciated.
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