Yahoo Finance Command Line Tool

Command line tool to download pricing data from yahoo finance with a time period and symbol.

Usage

./yahoo <from_date> <to_date> <symbol>

Example

./yahoo 2020-01-01 2020-06-01 "^DJI" This command will download daily data for the Dow Jones Index from Jan 1st 2020 to Jun 1st 2020

Errors

There are a number of reasons this tool can fail

• from_date is after to_date
• either from_date or to_date is after today's date
• the dates are incorrectly formatted: i.e., not %Y-%m-%d
• yahoo responded with an error code