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Fetch and analyze historical stock data for any ticker symbol. Use when the user asks to "look up", "fetch", "get data for", or "analyze" a specific stock ticker. Retrieves price history, volume, and basic statistics.
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
SOC 職業分類に基づく
Benchmark a stock against sector averages and assess its market position, share, and competitive advantages. Use when you need to understand a company's competitive landscape, peer ranking, or sector standing.
Calculate fundamental financial metrics (P/E, ROE, profit margin, market cap) and assess valuation as overvalued, fairly valued, or undervalued. Use when you need deep financial analysis of a company's fundamentals.
Analyze the sentiment of financial news and aggregate coverage into key themes. Use when you need to assess market sentiment, gauge media coverage, or decide whether news about a stock is bullish, bearish, or neutral.
Assemble a complete interactive HTML dashboard (Chart.js) from a JSON config. Use AFTER research is complete to render summary cards, sections, and charts into a single shareable report file.
Compare performance of multiple stocks side-by-side. Use when the user asks to "compare", "contrast", "which is better", or analyze "multiple stocks" together. Calculates returns, volatility, and correlations.
Analyze investment risk metrics for stocks including volatility, beta, VaR, and downside risk. Use when the user asks about "risk", "volatility", "how safe", "beta", or wants to understand risk profile.
| name | stock-lookup |
| description | Fetch and analyze historical stock data for any ticker symbol. Use when the user asks to "look up", "fetch", "get data for", or "analyze" a specific stock ticker. Retrieves price history, volume, and basic statistics. |
This skill fetches historical stock market data for any ticker symbol using yfinance. It provides price history, trading volume, and basic statistics.
Use this skill when the user:
Extract the ticker symbol from the user's request (e.g., "AAPL", "TSLA", "MSFT").
Default to the last 6 months unless the user specifies otherwise:
There's a helper script fetch_stock.py in this skill directory that you can use:
uv run python .claude/skills/stock-lookup/fetch_stock.py --ticker AAPL --period 6mo --output tmp/aapl_data.json
Arguments:
--ticker (required): Stock ticker symbol--period (optional): Time period (1mo, 3mo, 6mo, 1y, 2y, 5y, max). Default: 6mo--output (required): Output file path (use absolute path in tmp/)--format (optional): Output format (json or csv). Default: jsonAfter fetching data, read the output file and provide insights:
The helper script returns JSON with this structure:
{
"ticker": "AAPL",
"period": "6mo",
"data_points": 125,
"date_range": {
"start": "2025-08-01",
"end": "2026-02-03"
},
"current_price": 270.01,
"statistics": {
"mean": 268.72,
"min": 246.70,
"max": 286.19,
"std_dev": 9.45,
"volatility_pct": 3.52
},
"history": [
{"date": "2025-08-01", "open": 269.88, "high": 271.23, "low": 268.12, "close": 270.15, "volume": 45234100},
...
]
}
User: "Look up Apple stock for the last year"
Agent Workflow:
uv run python .claude/skills/stock-lookup/fetch_stock.py --ticker AAPL --period 1y --output tmp/aapl_1y.jsonuv run python to execute the script (not plain python)