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stock-info-explorer — Claude Code skill: Yahoo Finance quotes and charts

Pulls Yahoo Finance data through yfinance, computes indicators on your machine and saves a PNG chart. Handy when you want a quick read on a ticker without leaving the terminal.

Install into Claude Code · Skills CLI (Vercel) All methods and platforms ↓ 
npx skills add sundial-org/awesome-openclaw-skills --skill stock-info-explorer -a claude-code
Open on GitHub

What stock-info-explorer does

One script, scripts/yf.py, run with uv run --script, gives you five modes. price returns the current quote (a bare ticker works too), fundamentals prints the key company figures, history draws the trend in ASCII, pro renders a high-resolution chart, and report does a text summary plus a Pro chart with Bollinger Bands, RSI and MACD, ending with a CHART_PATH: line. The default pro output shows volume and MA5/20/60 as candles; append line to switch the style.

Indicators are calculated locally from price history — Yahoo's ready-made series aren't reliable enough. So no API key is involved. Panels are opt-in flags: --rsi for RSI(14), --macd for MACD(12,26,9), --bb for Bollinger(20,2), --atr for ATR(14), and --vwap accumulates across the chosen range.

Symbols follow Yahoo's format: AAPL, BTC-USD, USDKRW=X, or a Korean listing like 005930.KS. Coverage varies by market — some symbols carry no volume at all, so their volume panel comes out empty. You need uv installed.

What it helps with

  • check a ticker's latest price without opening a broker app
  • produce a candlestick PNG with volume and moving averages
  • add RSI and MACD panels to a chart in one command
  • pull a short fundamentals snapshot of a company
  • get a text summary and a chart image from a single call

Example prompts for the agent

  • Show me the current quote for TSLA
  • Build a pro chart for NVDA over 6mo with --rsi and --macd
  • Run the report for 000660.KS over six months

How to install stock-info-explorer

1Skills CLI (Vercel)

npx skills add sundial-org/awesome-openclaw-skills --skill stock-info-explorer -a claude-code

2Manually: put the files in place

~/.claude/skills/stock-info-explorer/SKILL.md

Copy the whole skill folder; for one project use .claude/skills/stock-info-explorer/

Step by step, with commands for each platform: How to install skills in Claude Code: five ways

Questions about stock-info-explorer

How do I install stock-info-explorer in Claude Code?

Run npx skills add sundial-org/awesome-openclaw-skills --skill stock-info-explorer -a claude-code. The skill lands at ~/.claude/skills/stock-info-explorer/SKILL.md.

What does stock-info-explorer do?

It covers five jobs for a ticker: quote, fundamentals summary, ASCII trend, chart rendering, and a combined report that writes both text and a PNG.

Does it need an API key for Yahoo Finance?

No. yfinance handles the data fetch, and the script derives every technical indicator itself from price history.

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