finance
This skill fetches market quotes and historical series for stocks, ETFs, indices, FX, and crypto and maintains a local watchlist. It instructs running commands like `python scripts/market_quote.py`, spawns subprocesses via `subprocess.run`, performs network calls to `https://open.er-api.com/v6/latest/<BASE>`, writes to `.cache/market-tracker/watchlist.json`, and references env vars `TWELVEDATA_API_KEY` and `ALPHAVANTAGE_API_KEY`.