finviz

Research

Scraper de Finviz: datos fundamentales, técnicos, insider trading, news y screener para acciones US. Sin API oficial.

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How to use this skill

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Source SKILL.md: https://github.com/gauss314/skills/blob/HEAD/skills/finviz/SKILL.md

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Copying this prompt does not install or run the skill. Review third-party files before use. Codex skill guide

Finviz — Scraper de Datos Financieros

Scraper de Finviz que extrae datos fundamentales (P/E, EPS, PEG, márgenes, etc.), técnicos (RSI, MACD, SMA, ATR), insider trading, noticias y screener para acciones del mercado US.

Finviz no tiene API pública oficial. Este skill scrapea el HTML de las páginas públicas usando requests + BeautifulSoup.

⚠️ Aviso Legal

Finviz no tiene API pública oficial. Este scraper accede a datos públicamente disponibles en la web.
Respetá los términos de servicio de Finviz.
Implementá rate limiting (mín 2 segundos entre requests).
No uses este scraper para uso comercial sin verificar los ToS de Finviz.
El sitio puede cambiar su estructura HTML, rompiendo el scraper.

Instalación de dependencias

pip install requests beautifulsoup4

Scripts

Script	Descripción
fetch_quote.py	Extrae perfil, fundamentales, técnicos, noticias e insider trading de un ticker.

Uso rápido

# Fetch completo de un ticker
python scripts/fetch_quote.py --ticker AAPL

# Solo fundamentales
python scripts/fetch_quote.py --ticker AAPL --fields fundamentals

# Output a archivo JSON
python scripts/fetch_quote.py --ticker MSFT --output msft_data.json

# Múltiples tickers
python scripts/fetch_quote.py --ticker AAPL,MSFT,GOOGL

# Headlines de noticias (default: 5)
python scripts/fetch_quote.py --ticker NVDA --news-headlines 10

Campos extraídos del quote page

Fundamentales

Campo	Descripción
`Market Cap`	Capitalización de mercado
`P/E`	Price-to-Earnings ratio
`Forward P/E`	Forward P/E
`PEG`	PEG ratio
`P/S`	Price-to-Sales
`P/B`	Price-to-Book
`EPS (ttm)`	Earnings Per Share (trailing 12 months)
`EPS next Y`	Estimated EPS next year
`Sales`	Revenue
`Profit Margin`	Profit margin
`ROE`	Return on Equity
`ROA`	Return on Assets
`Debt/Eq`	Debt-to-Equity
`Dividend %`	Dividend yield
`Insider Own`	Insider ownership
`Instit Own`	Institutional ownership
`Short Float`	Short float percentage
`Target Price`	Analyst target price
`Rating`	Analyst rating

Técnicos

Campo	Descripción
`RSI (14)`	Relative Strength Index
`SMA 20`	Simple Moving Average 20d
`SMA 50`	Simple Moving Average 50d
`SMA 200`	Simple Moving Average 200d
`MACD`	MACD value
`ATR`	Average True Range
`BB`	Bollinger Bands midpoint
`Volatility`	Volatility
`Beta`	Beta

Estructura del skill

skills/finviz/
├── SKILL.md                     # Este archivo
├── references/
│   └── QUOTE_REFERENCE.md       # Referencia de campos extraídos
└── scripts/
    └── fetch_quote.py           # Scraper principal