On the optimizer internal error, be sure you state which optimizer is having the problem. There are six different optimizers. You might try a different one.
It might be that the strategy as stated can't be optimized. Have you tried to optimize it "manually" (without the optimizer)? What were your results? Will manual optimization give you a positive WinRate at all? Perhaps you need a better exit strategy.
It might be that the strategy as stated can't be optimized. Have you tried to optimize it "manually" (without the optimizer)? What were your results? Will manual optimization give you a positive WinRate at all? Perhaps you need a better exit strategy.
The error you're seeing is (I believe) coming from a finantic Optimizer. Can you try either the Exhaustive or the Shrinking Window?
In addition to superticker's suggestions:
Please show:
* Optimizer Settings
* Output of Log Viewer
Please show:
* Optimizer Settings
* Output of Log Viewer
Also: Your screenshots are not readable.
Please post smaller areas of the screen or even better relevant parts of the screen only.
Please post smaller areas of the screen or even better relevant parts of the screen only.
Also:
A good bug report contains the sequence of actions.
Example:
* First I run manual backtest, Resulting in 1000 trades, APR 15.2 %
* I have 2 optimizable Parametesr with ranges *** and ***
* Run exhautive Optimizer, took a very long time, results are: ***
* Configured SMAC Optimizer
* Runs much faster, results are ***
A good bug report contains the sequence of actions.
Example:
* First I run manual backtest, Resulting in 1000 trades, APR 15.2 %
* I have 2 optimizable Parametesr with ranges *** and ***
* Run exhautive Optimizer, took a very long time, results are: ***
* Configured SMAC Optimizer
* Runs much faster, results are ***
QUOTE:
Also: Your screenshots are not readable.
Actually they're full size, so @DrKoch please right-click and choose "Open image in new tab" (e.g. Firefox).
Also, @Henk might want to know that if he strikes Ctrl-C then the error message text can be copied to the clipboard. That's a handy Windows shortcut known by few. You can use this in addition to attaching a screenshot.
I open my strategy Bollinger squeeze

then I click on optimize
and this is the error message:
---------------------------
Optimization Exception
---------------------------
internal error: bad result list from IntervalsFinder
---------------------------
OK
---------------------------
then I click on optimize
and this is the error message:
---------------------------
Optimization Exception
---------------------------
internal error: bad result list from IntervalsFinder
---------------------------
OK
---------------------------
I forgot to add
Log viewer
Optimization works again after removing the extension. Thanks.
I am on holiday currently, so I can't say for sure, but I think this (Explanation-) message comes from the Variable Importance viewer.
It is generated when there are not enough optimization runs/results for it to produce meaningful results.
Just make sure your optimization settings and parameter settings allow for enough results.
It is generated when there are not enough optimization runs/results for it to produce meaningful results.
Just make sure your optimization settings and parameter settings allow for enough results.
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