[R-SIG-Finance] Downloading historical prices

[Anatoly Schmidt]

I reloaded quantmod, and my script works now fine.
Still, one cannot download prices from the yahoo finance website to a xls
file for free anymore.
Thank you all.
Alec

On Fri, Nov 22, 2024 at 12:40 PM Dirk Eddelbuettel <edd using debian.org> wrote:

>
> On 22 November 2024 at 12:13, Anatoly Schmidt wrote:
> | I had to delete the screenshot as my message below violates the size
> constraint
> | imposed by r-sig-finance. It can be seen on the yahoo finance website.
>
> Yep. And we are not fan of screen shots either.
>
> | On Fri, Nov 22, 2024 at 12:07 PM Anatoly Schmidt <as8098 using nyu.edu> wrote:
> |
> |     Thank you Dirk,
> |     I concluded that yahoo requires premium service after seeing the
> lock on
> |     the download  link. Here is a screenshot. When I click on the lock,
> yahoo
> |     invites me to subscribe a premium service:
> |
> |
> |     When I run your example
> |     X <- getSymbols("SPY", from="2024-11-01"),
>
> You can't do the assignment unless you set the option I showed in my
> initial email.
>
> |     I have the following output:
> |
> |     Warning: SPY download failed; trying again.
> |     Error in getSymbols.yahoo(Symbols = "SPY", env = <environment>,
> verbose = FALSE,  :
> |       Unable to import “SPY”.
> |     SPY download failed after two attempts. Error message:
> |
> |     HTTP error 401.
>
> So we need to debug this.
>
> For kicks, I just installed quantmod and its five depedencies on a fresh
> r2u
> container running Ubuntu 24.04.  No options, no nothing:
>
>   root using d17b04bef87d:/# R -q
>   > library(quantmod)
>   Loading required package: xts
>   Loading required package: zoo
>
>   Attaching package: ‘zoo’
>
>   The following objects are masked from ‘package:base’:
>
>       as.Date, as.Date.numeric
>
>   Loading required package: TTR
>   Registered S3 method overwritten by 'quantmod':
>     method            from
>     as.zoo.data.frame zoo
>   > getSymbols("SPY", from="2024-11-01")
>   [1] "SPY"
>   > SPY
>              SPY.Open SPY.High SPY.Low SPY.Close SPY.Volume SPY.Adjusted
>   2024-11-01   571.32   575.55  570.62    571.04   45667500       571.04
>   2024-11-04   571.18   572.50  567.89    569.81   38217000       569.81
>   2024-11-05   570.74   576.74  570.52    576.70   39478300       576.70
>   2024-11-06   589.20   591.93  585.39    591.04   68182000       591.04
>   2024-11-07   593.08   596.65  593.00    595.61   47233200       595.61
>   2024-11-08   596.17   599.64  596.17    598.19   46444900       598.19
>   2024-11-11   599.81   600.17  597.00    598.76   37586800       598.76
>   2024-11-12   598.68   599.29  594.37    596.90   43006100       596.90
>   2024-11-13   597.37   599.23  594.96    597.19   47388600       597.19
>   2024-11-14   597.32   597.81  592.65    593.35   38904100       593.35
>   2024-11-15   589.72   590.20  583.86    585.75   75988800       585.75
>   2024-11-18   586.22   589.49  585.34    588.15   37084100       588.15
>   2024-11-19   584.71   591.04  584.03    590.30   49412000       590.30
>   2024-11-20   590.38   590.79  584.63    590.50   50032600       590.50
>   2024-11-21   593.40   595.12  587.45    593.67   46565100       593.67
>   >
>
> So the arrow still points at your setup.
>
> Dirk
>
>
> --
> dirk.eddelbuettel.com | @eddelbuettel | edd using debian.org
>

	[[alternative HTML version deleted]]