Ratio Analysis
What you will learn
Check ratio definitions, reporting periods and accounting context before interpreting a number.
Read and apply
Read the Ratio Analysis book page (opens in a new tab)
On the book page, choose one idea relevant to the objective above. Write what evidence would support it and what could weaken it. Then complete the filing or source activity below and return to these course questions.
Check your understanding
Choose an answer, then open the feedback.
What does a profitability ratio describe?
A. A relationship between profit and a sales, asset or equity measure. B. A guaranteed future return. C. The current share price alone.Show answer and feedback
A. The numerator and denominator, period and accounting choices all matter.
What does a current ratio compare?
A. Revenue to market cap. B. Current assets to current liabilities. C. Dividends to share price.Show answer and feedback
B. It is a short-term liquidity measure, not a complete solvency test.
Why compare ratios across periods and peers carefully?
A. They are universally identical. B. One year proves a trend. C. Business models, accounting and conditions can differ.Show answer and feedback
C. A ratio needs context, notes and more than one observation.
Why question: Why is one ratio insufficient to judge a company’s financial health?
Show a sample explanation
Liquidity, profitability, leverage, cash flow and business risks describe different things; a single number can hide important context.
Try a current-ratio calculation
Open the prefilled SEC filing search. Open Apple’s prefilled SEC filing search. In the latest 10-K balance sheet, record current assets and current liabilities for the same date, then divide assets by liabilities. Label the date and explain one limitation of this snapshot.
Key takeaways
- The numerator and denominator, period and accounting choices all matter.
- The current ratio is a short-term liquidity measure, not a complete solvency test.
- A ratio needs context, notes and more than one observation.
This activity is for financial education. An example or book framework does not guarantee investment results.
AI responses are for educational purposes. Always verify with official course materials.
This lesson teaches a concept. It is general education, not advice about your money. Before you act on anything you learn here, speak to someone licensed.
Sources and reference material
Primary sources and original reference material for the concepts discussed on this page.
- SEC EDGAR: Apple company filings
- SEC: Beginners' Guide to Financial Statements
- SEC Investor.gov: Price-to-Earnings Ratio
- FINRA: Evaluating Stocks
References added 14 October 2026.
AI responses are for educational purposes. Always verify with official course materials.
This lesson teaches a concept. It is general education, not advice about your money. Before you act on anything you learn here, speak to someone licensed.
This lesson teaches a concept. It is general education, not advice about your money. Before you act on anything you learn here, speak to someone licensed.
