Invest · Company fundamentals education

Company Fundamentals Explained

Learn to interpret business financial statements—one number at a time. Adjust hypothetical figures to see how common fundamentals are calculated.

Six educational measuresNo market-data feedNo account required

What this tool does—and does not do

This is an educational calculation sandbox. The numbers below describe fictional examples, not any listed company. No ticker lookup, data retrieval, buy/sell score, stock recommendation, or personalized analysis is provided.

Use annual reports and issuer filings to find actual figures, verify definitions and accounting periods, and check currencies before comparing companies. Calculators use the numbers you enter and do not retrieve stock prices or financial records.

Explore the numbers

Six fundamental measures

Choose a metric, change the example inputs, and see what the resulting number does—and does not—mean.

Calculated illustrative result
20.00%

Values are hypothetical and not sourced from a real company. For monetary measures, use the same currency and units for both inputs.

Formula

(Current revenue − prior revenue) ÷ prior revenue × 100

What it means

Shows how sales changed between two periods. Growth alone does not prove profitability or cash generation.

Important limitation

Acquisitions, currencies, and one-time changes can distort year-over-year comparisons.

Build good research habits

How to read a company's financial statements

1. Find original statements

Use the company's annual report, audited financial statements, and official regulatory filings rather than an unsourced ratio screenshot.

2. Check the period and units

Confirm whether figures cover a quarter or full year, whether amounts are in thousands or millions, and which reporting currency is used.

3. Watch for definitions

Cash flow, earnings, debt and adjusted measures are not interchangeable. Read the issuer's reconciliation notes where applicable.

4. Compare trends in context

Review multiple years and similar companies; a single high or low ratio rarely establishes business quality or investment suitability.

For source documents, start with U.S. SEC filings or Canadian SEDAR+ filings. External sources may require manual company and document searches.

Educational information only: This educational tool contains fictional numbers and simplified arithmetic, not current prices, financial advice, tax advice, an evaluation of any issuer, or a prediction of returns. Verify company-specific facts against original filings. No subscription or third-party market-data API is used.