read.csv(“http://ichart.finance.yahoo.com/table.csv?s=SPY”) Not Working

匆匆过客 提交于 2019-12-01 10:58:26

The fix is right there in the error message: use https not http:

R> spy <- read.csv("https://ichart.finance.yahoo.com/table.csv?s=SPY")
R> head(spy)
        Date   Open   High    Low  Close   Volume Adj.Close
1 2017-04-19 234.52 234.95 233.18 233.44 66861500    233.44
2 2017-04-18 233.72 234.49 233.08 233.87 80188300    233.87
3 2017-04-17 233.11 234.57 232.88 234.57 63559500    234.57
4 2017-04-13 233.64 234.49 232.51 232.51 83019800    232.51
5 2017-04-12 234.74 234.96 233.77 234.03 76322100    234.03
6 2017-04-11 234.90 235.18 233.34 235.06 85727700    235.06
R> 

And if you are using the function getReturns from the stockPortfolio package, use the modified getReturns function in the link below:

https://gist.github.com/Maiae/46a058243819ae0973fd38708a32fc31

It basically replaces http:// with https://

Yahoo stoped service if you want to run with small dataset download csv from here and use

https://github.com/datasets/s-and-p-500-companies

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