Problem setting up equations for dutching system

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Problem setting up equations for dutching system

Postby Mweyawa » Mon Jun 29, 2026 12:01 pm

Hi Gavin,
My Excel equations for a dutching system aren't working, and I can't see why. They work perfectly when I tested them in Training Mode, but when I go into Live Mode I get the error message "FAILURE" in the Status column, and "INVALID_BET_SIZE" in the Report column.
The parameters for the dutching system are very simple: (1) back favourite and second favourite only. (2) the favourite odds must be 3.00 odds or more. I have attached the Excel spreadsheet, and in case it's easier for you, these are the cell locations and equations:

BC1 stake (manual entry)
BC2 Total odds =I8+I9
BC3 Favourite percent of stake =I8/BC2
BC4 2nd Favourite Percent of Stake =I9/BC2
BC8 Stake for Favorite =IF(I8>2.98,BC1*BC4)
Stake for Second Favourite =IF(I8>2.98,BC1*BC3)

Please let me know if you need anything else. All the best, David
.
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Re: Problem setting up equations for dutching system

Postby Gavin » Thu Jul 02, 2026 7:15 pm

Hi David,

I'm guessing that you might have forgotten to round the stake sizes to whole currency units (for example, up to the next nearest pence).

Your formulae should be surrounded by the ROUND() function.

Kind regards,

Gavin
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Re: Problem setting up equations for dutching system

Postby Mweyawa » Fri Jul 03, 2026 12:12 pm

Genius, Gavin! It took me a while to work out what to do with ROUND (I'm really poor on these things), but it's working fine now. Thank you very much - I really appreciate it. All the best, David
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Re: Problem setting up equations for dutching system

Postby Gavin » Fri Jul 03, 2026 12:16 pm

Hi David,

You're very welcome. I'm really glad to hear that my comment was helpful.

Happy trading,

Gavin
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