# StockSpy.ai > StockSpy.ai is a Chrome extension for retail investors that analyses financial articles for relevance to a personal stock portfolio. It classifies news events as catalysts, macro shifts, sector signals, or noise, and returns BULLISH, BEARISH, or NEUTRAL signals per ticker with short-term and long-term outlook. ## What it does StockSpy.ai reads any financial article the user has open in their browser and assesses whether it is relevant to the stocks in their personal watchlist. It returns a relevance score (0–100), a reading verdict, and — on request — a detailed Deep Dive with per-ticker signals. The analysis works like a buy-side equity analyst: it first identifies what each portfolio company actually does, then classifies the news event type, then matches the transmission mechanism to each company's specific business model and development stage. ## Key concepts - **Prescan**: lightweight analysis of article title and opening paragraphs returning a relevance score and verdict - **Deep Dive**: full-article analysis returning event classification, thesis status, urgency, mechanism, and 3 signal bullets per ticker - **Event types**: CATALYST | SCIENTIFIC | MACRO_SHIFT | SECTOR_SIGNAL | NOISE - **Thesis status**: CONFIRMED | CHALLENGED | INVALIDATED | UNAFFECTED - **Urgency**: TIME_SENSITIVE | MONITOR | LONG_TERM | NO_ACTION ## Plans - Free: 3 tickers, 3 scans/day, no account required - Pro: 8 tickers, unlimited scans, $9/month - Elite: 20 tickers, unlimited scans, $19/month ## Links - [Homepage](https://stockspy.ai) - [Chrome Web Store](https://chromewebstore.google.com/detail/calkpfolcgepomhhcmlcapbdpemfidcc) - [Privacy Policy](https://stockspy.ai/privacy.html) - [Terms & Conditions](https://stockspy.ai/terms.html) ## Disclaimer StockSpy.ai is for informational and research purposes only. It does not provide financial advice, investment recommendations, or trading signals. AI analysis may contain errors. Always conduct your own research before making investment decisions.