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Marketwatch

skill-gauss314-skills-marketwatch · by gauss314

Scraper de MarketWatch: quotes, financials (income/balance/cash flow), SEC filings, analyst estimates, options chain, historical OHLCV. Sin API key.

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Install

$ agentstack add skill-gauss314-skills-marketwatch

✓ scanned · ✓ verified — works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • Prompt-injection patterns
  • Secret / credential exfiltration
  • Dangerous shell & filesystem operations
  • Untrusted network calls
  • Known-malicious package signatures

What it can access

  • Network access No
  • Filesystem access No
  • Shell / process execution No
  • Environment & secrets No
  • Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

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About

MarketWatch — Financial Data Scraper

Scraper de MarketWatch que extrae quotes en tiempo real, financial statements (income, balance sheet, cash flow), SEC filings, analyst estimates, options chain y historical prices para acciones US y ADRs globales.

No requiere API key. Los datos se extraen del HTML de las páginas públicas.


⚠️ Aviso Legal

  • MarketWatch no tiene API pública oficial. Este scraper accede a datos públicamente disponibles en la web.
  • MarketWatch usa Datadome para protección anti-bot. El scraper utiliza headers de navegador completo para bypass.
  • Respetá los términos de servicio de MarketWatch.
  • Implementá rate limiting (mín 3 segundos entre requests, recomendado 5s).
  • El sitio puede cambiar su estructura HTML, rompiendo el scraper.

Instalación

pip install requests beautifulsoup4

Scripts

| Script | Descripción | |--------|-------------| | [fetchmarketwatch.py](./scripts/fetchmarketwatch.py) | Script principal: todos los endpoints |


Uso rápido

# Quote + perfil de compañía
python scripts/fetch_marketwatch.py --ticker AAPL --quote --profile

# Income statement anual (por defecto)
python scripts/fetch_marketwatch.py --ticker MSFT --income

# Income statement trimestral
python scripts/fetch_marketwatch.py --ticker AAPL --income --quarterly

# Balance sheet + cash flow trimestral
python scripts/fetch_marketwatch.py --ticker NVDA --balance --cashflow --quarterly

# Todos los financials (income + balance + cashflow)
python scripts/fetch_marketwatch.py --ticker AAPL --financials

# SEC filings (10-K, 10-Q, 8-K)
python scripts/fetch_marketwatch.py --ticker AAPL --sec-filings

# Analyst estimates + target price
python scripts/fetch_marketwatch.py --ticker AAPL --analyst

# Options chain
python scripts/fetch_marketwatch.py --ticker AAPL --options

# Historical OHLCV
python scripts/fetch_marketwatch.py --ticker AAPL --historical

# Todo lo disponible
python scripts/fetch_marketwatch.py --ticker GGAL --all

# A JSON
python scripts/fetch_marketwatch.py --ticker AAPL --all --output aapl.json

# Control de rate limiting
python scripts/fetch_marketwatch.py --ticker AAPL --quote --delay 5

Endpoints disponibles

| Flag | Data | Frecuencia | Períodos | |------|------|------------|----------| | --quote | Precio, cambio, performance (5d, 1m, YTD) | Tiempo real | 1 snapshot | | --profile | Ratios clave, sector, industria, empleados | Actual | 1 snapshot | | --income | Income Statement | Anual / Trimestral | ~5 años | | --balance | Balance Sheet | Anual / Trimestral | ~5 años | | --cashflow | Cash Flow Statement | Anual / Trimestral | ~5 años | | --financials | Income + Balance + Cash Flow (atajo) | Según --quarterly | ~5 años | | --sec-filings | SEC filings (10-K, 10-Q, 8-K) | Histórico | ~20+ entradas | | --analyst | Estimaciones, target price, recomendaciones | Trimestral/anual | ~15+ campos | | --options | Options chain (calls/puts por strike) | Fechas de expiración | Todas disponibles | | --historical | OHLCV histórico diario | Diario | ~1-3 meses | | --all | Todos los anteriores | Según --quarterly | - |


Datos disponibles por endpoint

Quote

Precio actual, cambio ($), cambio (%), Close anterior, y tabla de performance (5 Day, 1 Month, 3 Month, YTD, 1 Year).

Company Profile

Hasta 29 ratios financieros incluyendo: P/E Current, P/E Ratio, EPS, Market Cap, Shares Outstanding, Revenue/Employee, Employees, Dividend Yield, Beta, etc.

Financial Statements

Cada statement contiene ~40-60 items (Revenue, COGS, Gross Profit, Operating Income, Net Income, EBITDA, EPS, etc. para income; Cash, Receivables, Total Assets, Debt, Equity, etc. para balance sheet; Operating Cash Flow, Free Cash Flow, Capex, etc. para cash flow).

SEC Filings

Listado de filings con: Filing Date, Document Date, Type (10-K, 10-Q, 8-K), Category.

Analyst Estimates

Average Recommendation, Average Target Price, Number of Ratings, High/Median/Low target, Current/Next Year Estimates, y tabla de cambios de rating por firma.

Options

Options chain organizada por fecha de expiración con calls y puts, strikes, precios, volumen, open interest.

Historical

OHLCV diario con Date, Open, High, Low, Close, Volume (últimos ~60 días).


Protección anti-bot (Datadome)

MarketWatch usa Datadome para protegerse de scraping automatizado.

| Situación | Síntoma | Solución | |-----------|---------|----------| | Muchos requests seguidos | 401 Unauthorized | Aumentar --delay (mín 3s, ideal 5s) | | IP bloqueada temporalmente | 401 incluso con delay | Esperar 5-10 minutos | | Headers incorrectos | 401 inmediato | Usar headers de navegador (ya incluidos) | | Sin session cookies | 401 | El scraper maneja cookies automáticamente |

Recomendación: No más de 4-5 endpoints por ticker por ejecución.


Estructura del skill

skills/marketwatch/
├── SKILL.md                              # Este archivo
├── references/
│   └── REFERENCE.md                      # Documentación completa de todos los endpoints
└── scripts/
    └── fetch_marketwatch.py              # Script principal

> 📖 Referencia completa: Para entender en detalle cada endpoint, columnas de options, campos de financials, estructura de historical data, etc., consultá [references/REFERENCE.md](./references/REFERENCE.md).

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.