Your price annotation is incorrect (the price on that date woudl be
different), don't include it, it'll insert the wrong price in the price
database.


On Sat, Jun 22, 2024 at 10:16 PM fin <f...@anthive.com> wrote:

> Brian Lalor wrote:
> > I know this has been discussed a few times, but the docs are still
> incorrect and I’m unable to find a complete example.  I’m using beancount
> v2 because Fava’s not been updated for v3, yet.
> >
> > NVDA recently split 10:1. I previously purchased 2 shares:
> >
> > option "operating_currency" "USD"
> >
> > 2024-02-14 open Equity:Opening-Balances
>        USD
> >
> > 2024-02-14 open Assets:Cash
>        USD
> > 2024-02-14 pad Assets:Cash Equity:Opening-Balances
> >
> > 2024-02-14 open Assets:Stocks:NVDA
>         NVDA
> > 2024-02-14 commodity NVDA
> >
> > 2024-02-14 * "Buying some NVDA" ""
> >     Assets:Stocks:NVDA
>    2.00 NVDA {733.09 USD}
> >     Assets:Cash
> >
> > 2024-05-31 balance Assets:Stocks:NVDA
>      2 NVDA
> > 2024-05-31 balance Assets:Cash
>    0.00 USD
> >
> > The pre-split stock price (per Yahoo and bean-price) was 1,096.33, and
> my Fidelity account confirms that I have 20 shares.  Per the docs[1], I
> would do (I think):
> >
> > 2024-06-02 * "NVDA 10:1 stock split" ""
> >     Assets:Stocks:NVDA
>      -2 NVDA {1,096.33 USD}
> >     Assets:Stocks:NVDA
>      50 NVDA {109.633 USD}
> >
> > bean-check fails, however:
> >
> > nvidia_split.beancount:24:      No position matches
> "Posting(account='Assets:Stocks:NVDA', units=-2 NVDA,
> cost=CostSpec(number_per=Decimal('1096.33'), number_total=None,
> currency='USD', date=None, label=None, merge=False), price=None, flag=None,
> meta={'filename': 'nvidia_split.beancount', 'lineno': 29})" against balance
> (2.00 NVDA {733.09 USD, 2024-02-14})
> >
> > Explicitly using the lot in that transaction fails, too:
> >
> > 2024-06-02 * "NVDA 10:1 stock split" ""
> >     Assets:Stocks:NVDA -2 NVDA {733.09 USD, 2024-02-14} @ 1096.33 USD
> >     Assets:Stocks:NVDA 20 NVDA {109.633 USD}
> >
> > The error is:
> >
> > nvidia_split.beancount:24:      Transaction does not balance: (726.4800
> USD)
> >
> >    2024-06-02 * "NVDA 10:1 stock split" ""
> >      Assets:Stocks:NVDA  -2.00 NVDA {733.09 USD, 2024-02-14} @ 1096.33
> USD
>
>
>   I write those as (but I also include a label):
>
>       Assets:Stocks:NVDA     -2 NVDA {733.09 USD, 2024-02-14} @ 733.09 USD
>       Assets:Stocks:NVDA     20 NVDA {73.309 USD, 2024-02-14}
>
>
>   IMO the basis and purchase date of this lot should not be changed by a
> split.
>
> $ hld
>
> Account                 Units  Currency  Cost Currency  Average Cost
> Price  Book Value  Market Value
> ------------------  ---------  --------  -------------  ------------
> -----  ----------  ------------
> Assets:Cash         -1,466.18       USD            USD
>     -1,466.18     -1,466.18
> Assets:Stocks:NVDA      20.00      NVDA            USD         73.31
>      1,466.18
> ------------------  ---------  --------  -------------  ------------
> -----  ----------  ------------
>
>
>
> >
> > So it seems the price of 1096.33 is being ignored and I’m trying to
> purchase 20 shares at 109.633 USD using 2*733.09 USD and the “gain” of
> 363.24 USD per share is being lost.
> >
> > What is the proper way to reflect a stock split?
> >
> > Thanks,
> > Brian
> >
> > [1]:
> https://beancount.github.io/docs/trading_with_beancount.html#stock-splits
> > —
> > Brian Lalor (he/him)
> > bla...@bravo5.org
> >
>
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