Download and Clean Stock Price History Data

Frequently, stock price data are used in teaching time series statistics or to carry out personal analyses for the best stocks to buy. This R-script downloads and clean all stock price history (measured daily) for user-input stocks back to 1970. It is unlimited use, meaning that you can buy this script once and download price history for stocks as many times as you want!

Prices for multiple stocks can be downloaded simultaneously and an example of the resulting data is shown below:

Note: R is required in order to use this product, and RStudio is recommended for the best experience. See the below videos for tutorials on how to download and install R and RStudio on Mac or Windows:

1. Mac - https://www.youtube.com/watch?v=JqV-USGR6AA
2. Windows - https://www.youtube.com/watch?v=TFGYlKvQEQ4