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/finviz

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

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gauss314-skills
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Install
$ npx -y skills add gauss314/skills --skill finviz --agent claude-code

How it fires

How this skill gets triggered: by you, by Claude, or both.

  • Fires itselfAuto-invocation. Claude auto-loads it when your prompt matches the work.Auto-invocation is when the right skill fires by itself at the right moment, driven by a FLOW.md router and a hook, instead of you invoking it by name. It is the difference between a skill being installed and a skill actually getting used.Read the full definition →
  • You can call itInvoke it directly when you want it.
  • Slash command/finviz

Context preview

The summary Claude sees to decide when to auto-load this skill.

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

SKILL.md

finviz.SKILL.md
name: finviz
description: "Scraper de Finviz: datos fundamentales, técnicos, insider trading, news y screener para acciones US. Sin API oficial."
license: MIT

Finviz — Scraper de Datos Financieros

Scraper de [Finviz](https://finviz.com/) 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`.

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⚠️ 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.

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Instalación de dependencias

pip install requests beautifulsoup4

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Scripts

| Script | Descripción | |--------|-------------| | **[fetch_quote.py](./scripts/fetch_quote.py)** | Extrae perfil, fundamentales, técnicos, noticias e insider trading de un ticker. |

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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

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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 |

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Estructura del skill

skills/finviz/
├── SKILL.md                     # Este archivo
├── references/
│   └── QUOTE_REFERENCE.md       # Referencia de campos extraídos
└── scripts/
    └── fetch_quote.py           # Scraper principal
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Ships withgauss314-skills

Open-source collection of skills compatible with the SKILL.md standard. Developed for the AI courses at UCEMA.

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