Access real-time and historical stock market data, forex rates, cryptocurrency prices, commodities, economic indicators, and 50+ technical indicators via the Alpha Vantage API. Use when fetching stock prices (OHLCV), company fundamentals (income statement, balance sheet, cash flow), earnings, options data, market news/sentiment, insider transactions, GDP, CPI, treasury yields, gold/silver/oil prices, Bitcoin/crypto prices, forex exchange rates, or calculating technical indicators (SMA, EMA, MACD, RSI, Bollinger Bands). Requires a free API key from alphavantage.co.

通过 Alpha Vantage API 获取实时和历史的股票市场数据、外汇汇率、加密货币价格、大宗商品、经济指标以及50多种技术指标。适用于获取股票价格（OHLCV）、公司基本面（损益表、资产负债表、现金流量）、财报、期权数据、市场新闻/情绪、内部交易、GDP、CPI、国债收益率、黄金/白银/原油价格、比特币/加密货币价格、外汇汇率，或计算技术指标（SMA、EMA、MACD、RSI、布林带）。需要从 alphavantage.co 获取免费的API密钥。