Quandl is a data delivery platform that includes many free datasets. Its website is https://www.quandl.com. The following are a few programs written in R or Python to download data from the platform. The following program retrieves the latest 50 trading days' data for International Business Machine (IBM):
> library(Quandl) > x<- Quandl.dataset.get("WIKI/ibm", list(rows=50)) > head(x,2) Date Open High Low Close Volume Ex-Dividend 1 2018-01-09 163.90 164.530 163.060 163.83 4333418 0 2 2018-01-08 162.66 163.905 161.701 163.47 5101023 0 Split Ratio Adj. Open Adj. High Adj. Low Adj. Close Adj. Volume 1 1 163.90 164.530 163.060 163.83 4333418 2 1 162.66 163.905 161.701 163.47 5101023
Note that we just need to issue...