Investment thesis web app (stock screener tool)
Build a web app around a specific investment thesis, such as filtering stocks by network effects and founder-led criteria, with backtesting against the S&P 500. Charge $5-10/month for access, premium features like IPO alerts, small-cap filters, or expanded exchange coverage. Vibe code using tools like Replit or Bolt and pull from Yahoo Finance data.
Startup Budget
Up to $500
Difficulty
Intermediate
Business Type
Online
Location
Online Only
Time Commitment
Part-time
Revenue Potential
$800-$10000/month
Skills Needed
Watch the Full Breakdown
Watch on YouTube — Chris Koerner
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