Key insights
- A new free tool has been developed to track historical data from Finviz stock screeners, allowing users to monitor strategy performance over time against the S&P 500. While currently lacking historical data, it aims to provide a valuable resource for evaluating the efficacy of various screening methodologies as a leading indicator for stock selection.
If you use Finviz, you know the screener is great for finding stocks - you set some filters, sort by performance and get a list. But that list is just a snapshot of today. Run it next week and it's different, and there's no record of what it looked like before. No memory.
So I built a small free app that fixes that one thing: every day it saves the top results of a screener. That turns a screener into a living strategy/portfolio you can actually track over time - and it charts its performance against SPY, so you can see whether the screener's logic would have beaten the market or not.
That's the whole idea: keep a history of the screener and then get a real perfomance view of that strategy.
The screeners currently in the app are based on this older post: Collection of Finviz screeners
There's also a community widget where you can:
- Suggest a Finviz screener (just paste the URL) and vote on the ones you'd like added, * and send ideas for features you'd want me to build;
It's free, no signup, no ads: https://stocks-screener.noletovictor.com
Happy to hear which screeners or features you'd want added.
One honest note: I built this today (2026-06-23), so there's no historical data yet. The charts start basically empty and fill in day by day. It's a bit frustrating to launch with nothing to show, but I think it's the start of something interesting, and the history only gets more useful from here.