Cool, that helped a lot, thanks! Best, Matthias
Am Samstag, 18. November 2023, 15:44:30 CET schrieb Martin Blais:
> Check out the section on trading in the docs.
> You can choose a booking method, e.g. FIFO, or do it manually (if you use
> the "specific lot identification" method).
> One trick that works well when doing by is to run bean-doctor to get the
> context around a transaction, it gives you the contents of the account just
> before the transaction with the individual lots and you can just select the
> ones you want to reduce and copy-paste them.
> If you specify a booking method it does it for you; you can use bean-doctor
> context to view the selected lots in the same way.
> Hope this helps,
>
>
>
>
> On Sat, Nov 18, 2023 at 3:44 AM Matthias Beyer <m...@beyermatthias.de>
>
> wrote:
> > Hi Blais,
> > Hi beancount list,
> >
> > I am a long term beancount user but only lately got into how to work with
> > beancount and stock trading.
> >
> > I moved my stock trades from "normal syntax", like:
> >
> > 2023-11-18 * "Buy some"
> >
> > Assets:Stock +10 COOLSTOCK @ 10 EUR
> > Assets:Bank:Account -105 EUR
> > Expenses:Commissions
> >
> > to the appropriate one
> >
> > 2023-11-18 * "Buy some"
> >
> > Assets:Stock +10 COOLSTOCK {10 EUR}
> > Assets:Bank:Account -105 EUR
> > Expenses:Commissions
> >
> > because I just recently learned about how to actually use beancount for
> > stock
> > trading.
> >
> > Now, my issue is that I buy ETF for a rather long time now, recurringly
> > (each
> > months 1st). That means that there are a lot of postings for ETFs. I know
> > about the (experimental) "recurring" plugin, but I assume that this won't
> > work
> > here because of the everchanging prices.
> > Either way, I wouldn't actually use that plugin, because I auto-import
> > transactions from my bank account and would need to filter out
> > transactions
> > that are already done by a recurring order.
> >
> > But that aside, my question is about something different actually: Do I
> > move my
> > ETF postings from the first syntax (from above) to the second? It is not
> > that
> > this is quite some effort (vim scripting ftw) but rather that it becomes
> > quite
> > complex once I sell ETF again, right? Because I would essentially "match"
> > my
> > ETF against the buying orders, although I probably do not sell the exact
> > same
> > amount that I bought order-by-order!
> >
> > E.G.
> >
> > * buy 100 EUR worth of ETF at 10
> > * buy 100 EUR worth of ETF at 11
> > * buy 100 EUR worth of ETF at 12
> > * buy 100 EUR worth of ETF at 13
> > * buy 100 EUR worth of ETF at 14
> > * buy 100 EUR worth of ETF at 15
> > * buy 100 EUR worth of ETF at 16
> > ... years pass
> > Now I have to sell. ETF is at 50 now and I want to have 100 out of it
> > every
> > transaction.
> > So what I do now is
> > * sell 100 EUR worth of ETF that I bought at 10
> >
> > The first 5 transactions of this work perfectly well... because the amount
> > I
> > bought at 10 is now worth 500 of my currency. But after that I have to
> > sell
> > <some fraction> of what I bought at 11 to get out 100 and for the last bit
> > of
> > what I bought at 11 I also have to sell some fraction of what I bought at
> > 12
> > to get out 100 of my currency. And this gets even more complex in
> > real-life
> > because the ETF of course does not stay at 50 during my time that I am
> > selling, but is still moving in price and also because/if I do not want to
> > get
> > out 100 but, say, 550 of my currency...
> >
> > Does my logic check out?
> >
> > Is there any "simple" solution to that? I can totally see the benefit of
> > actually doing that calculation! It's just that I am looking for a less
> > complex alternative to not burden my future self with work that might be
> > unnecessary! :-)
> >
> > I am really looking forward to your answer!
> > Thank you very much for beancount!
> > Have a great weekend,
> > best from Germany
> > Matthias
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