Obtain historical and near real time data related to stocks, index and currencies from the Yahoo Finance API.
# Install rfm from CRAN
install.packages("yahoofinancer")
# Or the development version from GitHub
# install.packages("pak")
pak::pak("rsquaredacademy/yahoofinancer")
To retrieve data from Yahoo Finance for a single stock, create an
instance of the Ticker
class by passing the company’s ticker symbol as
an argument:
aapl <- Ticker$new('aapl')
# get historical market data
head(aapl$get_history(start = '2024-10-20', interval = '1d'))
#> date volume high low open close adj_close
#> 1 2024-10-21 13:30:00 36254500 236.85 234.45 234.45 236.48 236.2201
#> 2 2024-10-22 13:30:00 38846600 236.22 232.60 233.89 235.86 235.6008
#> 3 2024-10-23 13:30:00 52287000 235.14 227.76 234.08 230.76 230.5064
#> 4 2024-10-24 13:30:00 31109500 230.82 228.41 229.98 230.57 230.3166
#> 5 2024-10-25 13:30:00 38802300 233.22 229.57 229.74 231.41 231.1557
#> 6 2024-10-28 13:30:00 36087100 234.73 232.55 233.32 233.40 233.1435
# meta info
# regular market price
aapl$regular_market_price
#> [1] 226.425
# 52 week high
aapl$fifty_two_week_high
#> [1] 237.49
# previous close
aapl$previous_close
#> [1] 225.12
To retrieve data from Yahoo Finance for an index, create an instance of
the Index
class by passing the index symbol as an argument:
nifty_50 <- Index$new('^NSEI')
# get historical data
head(nifty_50$get_history(start = '2024-01-20', interval = '1d'))
#> date volume high low open close adj_close
#> 1 2024-01-23 03:45:00 449700 21750.25 21192.60 21716.70 21238.80 21238.8
#> 2 2024-01-24 03:45:00 407500 21482.35 21137.20 21185.25 21453.95 21453.95
#> 3 2024-01-25 03:45:00 418100 21459.00 21247.05 21454.60 21352.60 21352.6
#> 4 2024-01-29 03:45:00 376700 21763.25 21429.60 21433.10 21737.60 21737.6
#> 5 2024-01-30 03:45:00 375100 21813.05 21501.80 21775.75 21522.10 21522.1
#> 6 2024-01-31 03:45:00 410600 21741.35 21448.85 21487.25 21725.70 21725.7
head(currency_converter('GBP', 'USD', '2024-01-20', '2024-01-30'))
#> date high low open close volume adj_close
#> 1 2024-01-22 1.273075 1.268826 1.270083 1.269986 0 1.269986
#> 2 2024-01-23 1.274714 1.265534 1.270826 1.270696 0 1.270696
#> 3 2024-01-24 1.277368 1.268681 1.269422 1.269197 0 1.269197
#> 4 2024-01-25 1.274226 1.269293 1.271844 1.271876 0 1.271876
#> 5 2024-01-26 1.275754 1.267732 1.270696 1.270826 0 1.270826
#> 6 2024-01-29 1.271941 1.266320 1.269712 1.269761 0 1.269761
Yahoo!, Y!Finance, and Yahoo! finance are registered trademarks of Yahoo, Inc.
yahoofinancer is not affiliated, endorsed, or vetted by Yahoo, Inc. It’s an open-source tool that uses Yahoo’s publicly available APIs, and is intended for research and educational purposes.
You should refer to Yahoo!’s terms of use (here, here, and here) for details on your rights to use the actual data downloaded. Remember - the Yahoo! finance API is intended for personal use only.
Please note that the yahoofinancer project is released with a Contributor Code of Conduct. By contributing to this project, you agree to abide by its terms.