Stock Monitoring & Alert System

An automated stock monitoring platform that scrapes market data, calculates fair value, and alerts investors when prices drop below target thresholds.

Investors following a value-investing approach needed to know when a stock's market price dropped below what they considered its fair value, based on their own custom valuation criteria, but doing that meant manually checking prices and re-running calculations throughout the trading day, which wasn't practical to sustain. Without automation, opportunities could easily be missed simply because no one was watching the market at the right moment. Investors needed the monitoring and the valuation math handled automatically, with an alert only when it actually mattered.

Sitetisfy built a system combining JS Puppeteer for automated data scraping with Laravel for backend processing, continuously pulling market data from public sources rather than requiring anyone to check manually. The system applies custom valuation formulas, factoring in EPS, P/E ratio, and other indicators, to calculate each stock's fair value, then compares that against the current market price on an ongoing basis. When a stock's price drops below its calculated fair value, the system automatically sends an email alert, so investors only need to act when there's actually an opportunity worth their attention.

Key Features

Automated data scraping from market sources

Custom valuation using EPS, P/E ratio, and other indicators

Fair value calculation engine

Automated email alerts on price thresholds

Watchlist management for tracked stocks

Historical price and valuation trend logging

Configurable alert thresholds per investor preference

Built With

  • JS Puppeteer
  • Laravel
  • MySQL
  • Web Scraping
Stock Monitoring & Alert System

Screenshots

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