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financial-data-analysis

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Methods for acquiring, cleaning, and analyzing financial datasets for research

skills/domains/finance/financial-data-analysis/SKILL.md

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# Financial Data Analysis

A practical skill for sourcing, processing, and analyzing financial data in academic research contexts. Covers data acquisition from public APIs, cleaning workflows, and standard analytical techniques used in empirical finance research.

## Data Acquisition

### Public Financial Data Sources

| Source | Data Type | Access | Python Package |
|--------|-----------|--------|---------------|
| Yahoo Finance | Prices, fundamentals | Free | `yfinance` |
| FRED (St. Louis Fed) | Macroeconomic indicators | Free (API key) | `fredapi` |
| SEC EDGAR | Company filings (10-K, 10-Q) | Free | `sec-edgar-downloader` |
| WRDS (Wharton) | CRSP, Compustat, IBES | University subscription | `wrds` |
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