Financial Analysis

This skill calculates and interprets key financial ratios from company financial statements. It analyzes profitability (ROE, ROA, margins), liquidity (current ratio, quick ratio), leverage (debt-to-equity), efficiency (asset turnover), and valuation metrics (P/E, P/B, EV/EBITDA) with industry-specific benchmarking and actionable recommendations.

This skill provides comprehensive documentation for building production-grade backtesting systems for trading strategies. It covers common pitfalls like look-ahead bias and survivorship bias, includes implementation patterns for event-driven and vectorized backtesters, walk-forward optimization, Monte Carlo analysis, and performance metrics calculation.