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/financial-statements

Analyze financial statements for investment decisions: derive EBITDA and free cash flow (FCFF/FCFE) from the income statement and cash flow statement, compute ROIC, margins, and DuPont ROE decomposition, and assess quality of earnings via accruals and working capital trends. Use

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finance-skills
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$ npx -y skills add JoelLewis/finance_skills --skill financial-statements --agent claude-code

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Analyze financial statements for investment decisions: derive EBITDA and free cash flow (FCFF/FCFE) from the income statement and cash flow statement, compute ROIC, margins, and DuPont ROE decomposition, and assess quality of earnings via accruals and working capital trends. Use

SKILL.md

financial-statements.SKILL.md
name: financial-statements
description: "Analyze financial statements for investment decisions: derive EBITDA and free cash flow (FCFF/FCFE) from the income statement and cash flow statement, compute ROIC, margins, and DuPont ROE decomposition, and assess quality of earnings via accruals and working capital trends. Use when the user asks about 'reading a 10-K', 'income statement vs cash flow statement', 'how to calculate free cash flow', 'FCFF vs FCFE', 'EBITDA adjustments', 'ROIC vs WACC', 'DuPont analysis', 'quality of earnings', 'accruals ratio', 'cash conversion cycle', 'revenue recognition red flags', 'deferred taxes', or 'cost basis and embedded capital gains'. Also trigger for fundamental analysis questions like whether reported earnings are backed by cash, whether a company creates value above its cost of capital, or the tax consequences of selling an appreciated position."

Financial Statements

Core Concepts

The Three Statements and How They Articulate

  • **Income statement**: revenue minus expenses over a period, on an accrual basis. Ends in net income.
  • **Balance sheet**: assets = liabilities + equity at a point in time. Net income (less dividends) rolls into retained earnings, linking the two statements.
  • **Cash flow statement**: reconciles net income to actual cash movement, split into operating (CFO), investing (CFI), and financing (CFF) activities. It starts from net income, adds back non-cash charges (D&A, stock-based compensation, impairments), and adjusts for working capital changes. The ending cash ties back to the balance sheet cash line.

Accrual accounting means reported earnings and cash generation can diverge for long stretches. Most analytical work is about measuring and interpreting that divergence.

EBITDA and Its Adjustments

EBITDA = EBIT + Depreciation & Amortization. It approximates pre-tax, pre-financing operating cash generation and is capital-structure neutral, which is why EV/EBITDA multiples use it. "Adjusted EBITDA" further strips items management deems non-recurring (restructuring, litigation, stock-based compensation). Scrutinize each add-back: recurring "one-time" charges and stock-based compensation are real economic costs. EBITDA ignores capex entirely, so it flatters capital-intensive businesses.

Free Cash Flow — FCFF and FCFE

**FCFF** (free cash flow to the firm) is cash available to all capital providers:

  • From CFO: FCFF = CFO + Interest × (1 − τ) − Capex
  • From EBITDA/EBIT: FCFF = EBIT × (1 − τ) + D&A − ΔNWC − Capex, where EBIT = EBITDA − D&A and EBIT × (1 − τ) is NOPAT

**FCFE** (free cash flow to equity) is cash available to shareholders after debt service:

  • FCFE = CFO − Capex + Net borrowing
  • FCFE = FCFF − Interest × (1 − τ) + Net borrowing

FCFF pairs with WACC (enterprise DCF); FCFE pairs with cost of equity (equity DCF). Never mix them.

ROIC and the ROIC-vs-WACC Test

ROIC = NOPAT / Invested capital, where NOPAT = EBIT × (1 − τ) and invested capital = total debt + equity − excess cash (equivalently, net working capital + net fixed assets). A company creates value only when ROIC exceeds WACC; growth at ROIC below WACC destroys value. Persistent ROIC above WACC is the quantitative signature of a moat — it validates (or refutes) qualitative competitive-advantage claims.

Margin Analysis and DuPont Decomposition

  • Gross margin = Gross profit / Revenue — pricing power and input costs
  • Operating margin = EBIT / Revenue — adds operating cost discipline
  • Net margin = Net income / Revenue — adds financing and tax effects

DuPont decomposes ROE into three levers:

ROE = (Net income / Revenue) × (Revenue / Assets) × (Assets / Equity) = Net margin × Asset turnover × Equity multiplier

Two companies with identical ROE can have very different quality: one earns it through margins and turnover, the other through leverage. Rising ROE driven solely by the equity multiplier is a risk signal, not an operating improvement.

Quality of Earnings

Earnings are high quality when backed by cash and generated by recurring operations:

  • **Accruals ratio** = (Net income − CFO) / Average total assets. Persistently positive and rising accruals mean earnings outpace cash — historically a predictor of poor forward returns and restatements.
  • **Revenue recognition red flags**: receivables growing much faster than revenue, heavy quarter-end shipments (channel stuffing), bill-and-hold sales, aggressive percentage-of-completion estimates, growing unbilled receivables.
  • **One-offs**: recurring "restructuring" charges, gains on asset sales folded into operating income, reserve releases boosting earnings.
  • **Capitalization games**: capitalizing costs that peers expense (software development, customer acquisition) shifts expense from the income statement to the balance sheet and inflates both earnings and CFO (the spend moves to CFI).

Working Capital Dynamics

Net working capital (NWC) = current operating assets − current operating liabilities (exclude cash and short-term debt). Growth normally consumes working capital; a rising cash conversion cycle consumes more. The cash conversion cycle:

CCC = DSO + DIO − DPO

where DSO = Receivables / Revenue × 365, DIO = Inventory / COGS × 365, DPO = Payables / COGS × 365. A lengthening CCC ties up cash and often precedes inventory write-downs or receivable problems; a negative CCC (customers pay before suppliers are paid) means growth generates cash.

Deferred Taxes and Cost Basis

Book (GAAP) and tax accounting diverge on timing. Accelerated tax depreciation makes cash taxes lower than book tax expense early in an asset's life, creating a **deferred tax liability** (DTL); it reverses later. Net operating losses and warranty reserves create **deferred tax assets** (DTAs), which are only worth carrying if future taxable income will absorb them. The US federal corporate rate applied in these calculations is 21% as of 2026.

For taxable investors, the same timing logic applies at the p

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Ships withfinance-skills

A collection of Claude Code skill plugins for financial services. 91 skills across 7 domain plugins teach Claude investment management, regulatory compliance, advisory workflows, trading operations, and more — so it can assist with finance questions, build

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Repo: JoelLewis/finance_skills

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