Mutual fund prices precision

[David T.]

AC, 

My experience doesn’t match yours; if I fill out the shares and purchase price, the price is set by GnuCash, and the shares stay accurate—as others have described.

Is it possible that your account is set to 2 decimal places? That would explain the rounding you describe.

David

> On Aug 1, 2015, at 8:08 PM, AC <gnucash at acarver.net> wrote:
> 
> On 2015-08-01 16:37, farleykj wrote:
>> I tried this out, via the following, pretty much as you described:
>> (1) enter 47.889 shares in that column.
>> (2) enter 4.76 in the price column
>> Make no other entries, <tab> through to the next line of the split.
>> The result is the total is calculated as 227.95. This results in the price
>> per share being adjusted to the 4.75997 value. The number of shares is
>> unchanged. Thus I don't understand what you mean by the final share count
>> being off.
>> I suspect what's happening is because the registers are only allowing the
>> balance column to represent numbers with two decimal places, since we're
>> dealing with dollars and cents. It calculates the total to be 47.889 * 4.76
>> = 227.95164, rounds that to 227.95, then recalculates the price to be
>> 4.75997.
> 
> Somewhere it's causing the shares or the balance of the account to be
> off slightly.  My balances are showing three decimal places currently
> and I've even set the accounts to have six decimal places with no
> apparent change.  This account is off by about one whole point whereas
> the other fund accounts differ from the statement by 0.01 or so.  The
> others have fewer transactions than this one so it seems to be a
> cumulative effect.  The balance column doesn't line up with any of the
> statements over time, it's slowly drifting apart.
> 
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