yfinance-data

1# yfinance Data Skill
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3If your host has not already executed the shell probes below (for example, in Codex), run the commands inside the `!` wrappers with its shell tool before choosing a setup path. Use the actual output; if shell access is unavailable, report that limitation.
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5Fetches financial and market data from Yahoo Finance using the [yfinance](https://github.com/ranaroussi/yfinance) Python library.
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7**Important**: yfinance is not affiliated with Yahoo, Inc. Data is for research and educational purposes.
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9---
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11## Step 1: Ensure yfinance Is Available
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13**Current environment status:**
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15```
16!`python3 -c "exec('try:\n import yfinance\n print(\'yfinance \' + yfinance.__version__ + \' installed\')\nexcept Exception:\n print(\'YFINANCE_NOT_INSTALLED\')')"`
17```
18 
19If `YFINANCE_NOT_INSTALLED`, install it before running any code:
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21```python
22import subprocess, sys
23subprocess.check_call([sys.executable, "-m", "pip", "install", "-q", "yfinance"])
24```
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26If yfinance is already installed, skip the install step and proceed directly.
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28---
29 
30## Step 2: Identify What the User Needs
31 
32Match the user's request to one or more data categories below, then use the corresponding code from `references/api_reference.md`.
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34| User Request | Data Category | Primary Method |
35|---|---|---|
36| Stock price, quote | Current price | `ticker.info` or `ticker.fast_info` |
37| Price history, chart data | Historical OHLCV | `ticker.history()` or `yf.download()` |
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