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.
On Fri, Nov 22, 2024 at 12:07 PM Anatoly Schmidt <as8...@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"),
> 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.
>
> The same 401 comes out when I run my (more complicated) script.
>
> Thanks again, Alec
>
>
> On Fri, Nov 22, 2024 at 11:53 AM Dirk Eddelbuettel <e...@debian.org> wrote:
>
>>
>> On 22 November 2024 at 11:41, Anatoly Schmidt wrote:
>> | I (and my students) used to download historical prices from yahoo
>> finance
>> | with the Quantmod function getSymbols(). It seems that it now requires
>> | yahoo premium service. Is there a way around? If not, are there other
>> free
>> | sources for downloading prices?
>>
>> Can you show an actual request that fails? I have multiple recurrent jobs
>> using Yahoo!, and I do not have any premium service.
>>
>> Current R and quantmod on Ubuntu demo:
>>
>> > suppressMessages(library(quantmod))
>> > X <- getSymbols("SPY", from="2024-11-01") # yahoo by default
>> > X
>> 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
>> >
>>
>> and I am running this fairly 'vanilla' apart from the usual behaviour
>> setters
>> I had for well over a decade which overcome some of the very initial
>> design
>> choices:
>>
>> ## quantmod stuff -- see help(getSymbols)
>> options(getSymbols.auto.assign=FALSE,
>> getSymbols.warning4.0=FALSE,
>> getSymbols.yahoo.warning=FALSE)
>>
>> Hth, Dirk
>>
>> --
>> dirk.eddelbuettel.com | @eddelbuettel | e...@debian.org
>>
>
[[alternative HTML version deleted]]
_______________________________________________
R-SIG-Finance@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-sig-finance
-- Subscriber-posting only. If you want to post, subscribe first.
-- Also note that this is not the r-help list where general R questions should
go.
