In-depth guides on investment research, financial statement analysis, and how AI is transforming the way serious investors work.
EBITDA (Earnings Before Interest, Taxes, Depreciation, and Amortization) measures operating profitability before financing and accounting decisions. Learn the formula, what analysts use it for, and where it misleads.
Free cash flow (FCF) is operating cash flow minus capital expenditures — the cash a business actually generates after maintaining its asset base. Learn the formula, how FCF differs from net income, and how analysts use FCF yield.
Gross margin measures what percentage of revenue remains after direct production costs. Learn the formula, what a good gross margin looks like by industry, how it differs from operating margin, and what declining gross margin signals.
The P/E ratio measures what investors pay per dollar of earnings. Learn the formula, what distinguishes trailing from forward P/E, how to use the PEG ratio, and why a 'good' P/E depends entirely on context.
Return on equity (ROE) measures how much profit a company generates per dollar of shareholder equity. Learn the formula, the DuPont decomposition, what makes a good ROE, and when high ROE is misleading.
Alphabet earned $73.3B in free cash flow in 2025. The 10-K footnotes reveal $244.4B in off-balance-sheet commitments most investors miss — purchase commitments, uncommenced leases, credit derivatives. Full segment analysis using actual SEC filing data.
Earnings calls contain more signal than most analysts extract. Here's how to analyze prepared remarks, Q&A dynamics, language shifts, and guidance framing — the 7 elements that separate productive earnings call analysis from passive listening.
A stock screening process filters thousands of companies down to the handful worth researching deeply. Here's how to build one using quantitative filters, qualitative gates, and a ranked watchlist.
An income statement shows a company's revenue, expenses, and profit over a period. Here's how to read one, analyze margin trends, and catch the red flags analysts miss.
A 5-stage due diligence checklist for stock research — covering business understanding, financial statements, management quality, risk assessment, and valuation. Built for analysts who need a systematic process, not a general overview.
Financial ratio analysis uses 12 quantitative measures across profitability, leverage, liquidity, and valuation to evaluate any stock. Here's exactly how analysts use them — with formulas, benchmarks, and the red flags that trigger deeper research.
A 10-K filing contains everything an analyst needs to assess a company — but only if you read it in the right order. This 8-step process covers every section from MD&A through footnotes, with the red flags that matter and the sections most analysts skip.
The cash flow statement reveals actual cash generation — separating accounting profits from business reality. Here's how analysts read it, what signals matter, and what red flags to catch before the income statement does.
Financial statements reveal whether a company earns real money, carries dangerous debt, or generates actual cash. Here's how to read the income statement, balance sheet, and cash flow statement — and what to look for in each.
A balance sheet shows what a company owns, what it owes, and what's left for shareholders. Here's how to read one and use it to make better investment decisions.
Fundamental analysis evaluates a company's intrinsic value through financial statements, ratios, and competitive position. Here's how professional investors actually do it.
Off-balance-sheet risks hide in footnotes — purchase obligations, pension liabilities, contingent debt, and unconsolidated entities. Here's exactly how to find them before they find you.