Get the current price and key market data for a stock.

Args: ticker: Stock ticker symbol, e.g. 'AAPL', 'MSFT', 'TSLA'

Get historical OHLCV price data for a stock.

Args: ticker: Stock ticker symbol, e.g. 'AAPL' period: Time period - '1d','5d','1mo','3mo','6mo','1y','2y','5y','10y','ytd','max' interval: Data interval - '1m','2m','5m','15m','30m','60m','90m','1h','1d','5d','1wk','1mo','3mo'

Get company profile and descriptive information for a stock.

Args: ticker: Stock ticker symbol, e.g. 'AAPL'

Get income statement data (revenue, gross profit, EBITDA, net income, EPS).

Args: ticker: Stock ticker symbol, e.g. 'AAPL' period: 'annual' or 'quarterly'

Get balance sheet data (assets, liabilities, equity, debt).

Args: ticker: Stock ticker symbol, e.g. 'AAPL' period: 'annual' or 'quarterly'

Get cash flow statement (operating, investing, financing, free cash flow).

Args: ticker: Stock ticker symbol, e.g. 'AAPL' period: 'annual' or 'quarterly'

Get earnings history showing EPS estimates vs actuals and surprise percentages.

Args: ticker: Stock ticker symbol, e.g. 'AAPL'

Search for SEC filings for a company.

Args: ticker: Stock ticker symbol, e.g. 'AAPL' form_type: Filing type - '10-K', '10-Q', '8-K', 'DEF 14A', 'S-1', etc. limit: Maximum number of filings to return (1-20)

Retrieve key sections from an SEC filing as markdown text.

For 10-K filings the important sections are: business, risk_factors, mda (Management Discussion & Analysis), financials.

Args: ticker: Stock ticker symbol, e.g. 'AAPL' form_type: Filing type - '10-K' or '10-Q' filing_date: Exact filing date YYYY-MM-DD; leave empty for most recent sections: Comma-separated section names to retrieve, or 'all' for a summary. Common values: 'business', 'risk_factors', 'mda'

Get basic company facts from SEC EDGAR (CIK, name, registered tickers).

Also retrieves TTM (trailing twelve months) revenue and net income from the company's XBRL filings when available.

Args: ticker: Stock ticker symbol, e.g. 'AAPL'

Calculate key financial ratios for a stock.

Returns valuation ratios (P/E, P/B, P/S, EV/EBITDA), profitability (ROE, ROA, profit margin, EBITDA margin), and leverage (debt/equity, current ratio, quick ratio).

Args: ticker: Stock ticker symbol, e.g. 'AAPL'

Analyse YoY / period-over-period growth trends for a financial metric.

Args: ticker: Stock ticker symbol, e.g. 'AAPL' metric: Line item to analyse. Common values: 'Total Revenue', 'Gross Profit', 'Net Income', 'Operating Income', 'EBITDA', 'Free Cash Flow', 'Total Assets', 'Total Debt' periods: Number of annual periods to include (1-8)

Compare multiple stocks side-by-side on a single metric.

Args: tickers: List of ticker symbols, e.g. ['AAPL', 'MSFT', 'GOOGL'] metric: Metric to compare. Options include: 'pe_ratio_ttm', 'pe_ratio_forward', 'price_to_book', 'price_to_sales_ttm', 'ev_to_ebitda', 'profit_margin', 'roe', 'roa', 'debt_to_equity', 'current_ratio', 'revenue_growth_yoy', 'earnings_growth_yoy', 'market_cap', 'current_price', 'dividend_yield'

Estimate intrinsic value using a simplified Discounted Cash Flow (DCF) model.

Uses trailing free cash flow from Yahoo Finance as the base, projects it forward, and discounts back to present value.

Args: ticker: Stock ticker symbol, e.g. 'AAPL' growth_rate: Annual FCF growth rate for the projection period (e.g. 0.10 = 10%) discount_rate: Weighted average cost of capital / required return (e.g. 0.10 = 10%) terminal_growth_rate: Perpetual growth rate after projection period (e.g. 0.03 = 3%) projection_years: Number of years to project (1-10)