Help importing historical stock prices
Mike or Penny Novack
mpnovack at mtdata.com
Tue Jun 21 08:15:58 EDT 2016
On 6/20/2016 9:47 AM, Jim Vincent wrote:
> So if I want accurate data for past periods, don't I need market prices for securities at those time?
Yes, but you are perhaps confusing obtaining data from gnucash from
BEFORE you were using gnucash (going back and and filling in) with being
able to have that information going FORWARD.
Let's say, for example, you want quarterly evaluations. Then you run the
Balance Sheet at the end of each quarter and EXPORT that (add date to
each file name and put into a directory with a name like "Quarterly
Balance Sheets". To run each of these, as the time comes to run it, you
do not need "historical" values, just current values.
Do you see a problem with that?
But I think what you are asking is along the lines of "I wasn't doing
that for X number of past years. How do I go back and produce that
data?" Well that is a rather different problem. The simple answer is
that unless you can recreate an environment where gnucash would have
access to that "valuation data" you can't. But that isn't gnucash's
fault. It isn't gnucash that is failing but whatever you are using as
the source of the "valuation data" (that is something coming from
OUTSIDE of gnucash).
Look, going back and recreating a lost output is something they used to
pay me to do. It involved setting up an ENVIRONMENT where the system
dates were set to what was wanted, the program versions restored to what
they were as of that date, and all the data files and databases restored
to that date from backups made at the time. If you DON'T have that data,
can't be done.
Michael D Novack
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