One of my favorite articles on investing, and a sobering read any time I get tempted to try active investing. Does anybody know if there are any online tools t

One of my favorite articles on investing, and a sobering read any time I get tempted to try active investing. Does anybody know if there are any online tools that generates these RTM charts? For a while that's been my go-to toy project when testing out a new language/framework, but it'd be nice if there was something online integrated into legit data feeds for stock/fund performance.