I want to research significant one-day moves–up and down–in various stocks and am looking for online tools to help with this. For example, I might ask for all one-day down moves in a stock that exceeded 2% during the last three years. Or a list of the 25 biggest one-day up moves during the last year. A plus would be the ability to display a bar chart and color qualifying days. My purpose is to identify these outliers that might be ripe for option selling.
Obviously, I could download data and do this on a spreadsheet, but I am looking for a quicker and easier path. Are there any online tools–free is better–that can accomplish this?
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