
Us Stock Analysis
Interpret US equity fundamentals—margins, ROE, P/E, PEG, and related ratios—when researching holdings or side-portfolio decisions.
Install
npx skills add https://github.com/tradermonty/claude-trading-skills --skill us-stock-analysisWhat is this skill?
- Profitability reference: gross, operating, and net margins plus ROE, ROA, and ROIC with formulas
- Valuation reference: P/E (trailing and forward), PEG, and interpretation guidance
- DuPont framing for ROE decomposition (margin × turnover × leverage)
- Industry-comparison lens for margin and return metrics
- Compact formula-first cheat sheet for agent-led equity homework
Adoption & trust: 2.5k installs on skills.sh; 1.8k GitHub stars; 2/3 security scanners passed (skills.sh audits).
Recommended Skills
Journey fit
Canonical shelf is Grow analytics because the skill is a metrics reference for measuring business and stock health, not for shipping product code. Analytics subphase fits structured interpretation of financial data solo builders use to track investments alongside their ventures.
Common Questions / FAQ
Is Us Stock Analysis safe to install?
skills.sh reports 2 of 3 security scanners passed. Review the Security Audits panel on this page before installing in production.
SKILL.md
READMESKILL.md - Us Stock Analysis
# Financial Metrics Reference ## Profitability Metrics **Gross Profit Margin** - Formula: (Revenue - COGS) / Revenue × 100 - Measures: Production efficiency and pricing power - Higher is better; compare to industry average **Operating Profit Margin** - Formula: Operating Income / Revenue × 100 - Measures: Operational efficiency - Excludes financing and tax effects **Net Profit Margin** - Formula: Net Income / Revenue × 100 - Measures: Overall profitability after all expenses - Bottom line efficiency **Return on Equity (ROE)** - Formula: Net Income / Shareholders' Equity × 100 - Measures: Profitability relative to shareholder investment - DuPont Analysis: ROE = Net Margin × Asset Turnover × Equity Multiplier **Return on Assets (ROA)** - Formula: Net Income / Total Assets × 100 - Measures: Efficiency in using assets to generate profit **Return on Invested Capital (ROIC)** - Formula: NOPAT / Invested Capital × 100 - NOPAT = Net Operating Profit After Tax - Invested Capital = Total Debt + Total Equity - Cash - Measures: Return on all capital (debt + equity) ## Valuation Metrics **Price-to-Earnings (P/E) Ratio** - Formula: Stock Price / Earnings Per Share - Trailing P/E: Uses past 12 months earnings - Forward P/E: Uses estimated future earnings - Interpretation: Higher P/E = higher growth expectations or overvaluation **Price-to-Earnings-to-Growth (PEG) Ratio** - Formula: P/E Ratio / Earnings Growth Rate - Interpretation: PEG < 1 potentially undervalued; PEG > 1 potentially overvalued **Price-to-Book (P/B) Ratio** - Formula: Stock Price / Book Value Per Share - Book Value = Total Assets - Total Liabilities - Useful for asset-heavy industries **Price-to-Sales (P/S) Ratio** - Formula: Market Cap / Total Revenue - Useful for unprofitable companies or comparing revenue multiples **Enterprise Value (EV)** - Formula: Market Cap + Total Debt - Cash - Represents total company value **EV/EBITDA** - Formula: Enterprise Value / EBITDA - EBITDA = Earnings Before Interest, Tax, Depreciation, Amortization - Capital structure neutral valuation metric **EV/Sales** - Formula: Enterprise Value / Revenue - Useful when comparing companies with different profitability **Dividend Yield** - Formula: Annual Dividend Per Share / Stock Price × 100 - Measures: Income return from stock ## Growth Metrics **Revenue Growth Rate** - Formula: (Current Revenue - Prior Revenue) / Prior Revenue × 100 - YoY (Year-over-Year), QoQ (Quarter-over-Quarter) **Earnings Per Share (EPS) Growth** - Formula: (Current EPS - Prior EPS) / Prior EPS × 100 - Track both reported and adjusted EPS **Compound Annual Growth Rate (CAGR)** - Formula: (Ending Value / Beginning Value)^(1/Years) - 1 - Smoothed growth rate over multiple years ## Liquidity Metrics **Current Ratio** - Formula: Current Assets / Current Liabilities - Measures: Short-term liquidity - > 1.5 generally considered healthy **Quick Ratio (Acid-Test)** - Formula: (Current Assets - Inventory) / Current Liabilities - More conservative than current ratio - > 1.0 generally considered healthy **Cash Ratio** - Formula: Cash and Cash Equivalents / Current Liabilities - Most conservative liquidity measure ## Leverage Metrics **Debt-to-Equity (D/E) Ratio** - Formula: Total Debt / Total Equity - Measures: Financial leverage - Industry-dependent; lower generally safer **Debt-to-Assets Ratio** - Formula: Total Debt / Total Assets - Shows proportion of assets financed by debt **Interest Coverage Ratio** - Formula: EBIT / Interest Expense - Measures: Ability to pay interest - > 2.5 generally considered safe ## Efficiency Metrics **Asset Turnover** - Formula: Revenue / Average Total Assets - Measures: Efficiency in using assets to generate sales **Inventory Turnover** - Formula: COGS / Average Inventory - Higher = more efficient inventory management **Receivables Turnover** - Formula: Revenue / Average Accounts Receivable - Days Sales Outstanding (DSO) = 365 / Receivables Turnover ## Cash Flow Metrics **