Finance Study Guides

39 in-depth guides covering the essential vocabulary of investing, personal finance, and economics — written for beginners, with real US examples and no jargon.

Investing

In-Depth Financial Education Guides

Each guide on this page provides a comprehensive, encyclopedic explanation of a core financial concept — written for learners at every level, from complete beginners to those refreshing knowledge before making financial decisions. Guides average over 1,600 words and include real numerical examples, comparison tables, FAQ sections, key takeaway summaries, and links to the interactive vocabulary puzzle for each topic.

All guides cover YMYL (Your Money, Your Life) financial topics and are written to educational standards. They are updated annually to reflect current contribution limits, tax brackets, and regulatory changes. Content is for educational vocabulary instruction only — not personalized financial advice.

39 guides covering: Personal Finance · Investing · Economics · Retirement · Tax · Credit · Insurance · Real Estate

Investing

What Is a Stock?

Ownership stakes, market cap, P/E ratios, bull and bear markets, and how to start investing in equities.

Investing

What Is a Dividend?

How dividends work, yield, payout ratios, ex-dividend dates, DRIPs, and dividend aristocrats.

Investing

What Is Compound Interest?

The Rule of 72, how compounding frequency affects growth, and why starting early matters so much.

Investing

What Is an ETF?

How ETFs work, expense ratios, types of ETFs, and how to buy your first exchange-traded fund.

Investing

What Is a Mutual Fund?

Active vs passive funds, load fees, expense ratios, and how mutual funds compare to ETFs.

Investing

What Is a Bond?

Coupons, yields, duration, Treasury vs corporate bonds, and why bond prices move opposite to rates.

Investing

What Is Investing?

Stocks, bonds, equity, return, risk, portfolio, index, margin, and broker — the essentials before your first trade.

Investing

What Is Cryptocurrency?

Bitcoin, blockchain, wallets, mining, DeFi, stablecoins, halving — a clear beginner's guide to crypto with real US examples.

Investing

What Is Portfolio Strategy?

Asset allocation, diversification, rebalancing, benchmarking, drawdown — build and manage a winning investment portfolio.

Investing

What Are Index Funds?

How passive index funds work, why low expense ratios matter, and why 90% of active funds underperform the index.

Investing

What Is Real Estate Investing?

Cash flow, appreciation, leverage, REITs, and the key metrics every real estate investor tracks.

Investing

What Is the Stock Market?

How stock exchanges work, market indices, bull and bear markets, and how prices are determined.

Personal Finance
Personal Finance

What Is a Credit Score?

How FICO scores work, the 5 factors that affect your score, and proven strategies to improve it.

Personal Finance

What Is a Budget?

The 50/30/20 rule, zero-based budgeting, fixed vs variable expenses, and the best free tools.

Personal Finance

What Is a 401k?

Contribution limits, employer matching, vesting schedules, and traditional vs Roth 401k.

Personal Finance

What Is Debt?

APR, debt avalanche vs snowball methods, consolidation strategies, and how to become debt-free.

Personal Finance

What Is Insurance?

Premiums, deductibles, copays, types of coverage every American needs, and how to lower costs.

Personal Finance

What Is an Emergency Fund?

How much to save, where to keep it, how to build it fast, and when it is appropriate to use it.

Personal Finance

What Is a Mortgage?

Principal, amortization, escrow, equity, refinancing, underwriting, and how to navigate the home loan process.

Personal Finance

What Is a Roth IRA?

Tax-free growth, contribution limits, income limits, backdoor Roth strategy, and how to open one.

Personal Finance

Banking Basics

Checking vs savings accounts, FDIC insurance, ACH transfers, wire transfers, and how to choose the right bank.

Personal Finance

How to Save for College

529 plans, FAFSA, grants, scholarships, subsidized vs unsubsidized loans, and minimizing student debt.

Personal Finance

How to Buy a Home

Pre-approval, down payments, PMI, inspections, contingencies, closing costs, and what to expect on closing day.

Personal Finance

What Is Net Worth?

How to calculate net worth, benchmarks by age, and the most effective strategies to grow it over time.

Personal Finance

How to Plan for Retirement

IRAs, 401(k)s, Social Security claiming, the 4% rule, RMDs, and sequence of returns risk.

Personal Finance

High-Yield Savings Accounts

Why online banks pay 50× more than traditional banks, how APY works, and when to use CDs vs HYSAs.

Personal Finance

Investing for Beginners

How to open your first account, what to buy, dollar-cost averaging, and the 5 principles of long-term wealth.

Personal Finance

What Is Tax?

Marginal vs effective rates, deductions vs credits, capital gains tax advantages, and key tax-saving strategies.

Economics
Economics

What Is Inflation?

What causes inflation, how the Fed fights it with interest rates, and how to protect your money.

Economics

What Is GDP?

How GDP is calculated, nominal vs real GDP, growth rates, and how it affects your finances.

Economics

What Is Supply and Demand?

Market equilibrium, price ceilings and floors, elasticity, and real examples from the US economy.

Economics

What Is a Recession?

Contractions, unemployment, bailouts, austerity, depression — causes and how to protect your finances.

Economics

What Is the Federal Reserve?

Monetary policy, benchmark rates, quantitative easing, tapering, and stagflation explained.

Economics

What Is an Interest Rate?

Federal funds rate, mortgage rates, prime rate, bond yields, and how the Fed controls the price of money.

Economics

What Is Unemployment?

Frictional, structural, and cyclical unemployment — how it's measured, how benefits work, and how to protect your finances.

Economics

What Is Fiscal Policy?

Government spending, taxation, budget deficits, national debt, fiscal multiplier, and how fiscal policy differs from monetary policy.

Economics

What Is Central Banking?

How the Federal Reserve sets interest rates, what quantitative easing does, and why central bank independence matters.

Economics

What Is Trade Economics?

Comparative advantage, tariffs, trade deficits, exchange rates, and how global trade affects every American.

Economics

What Are Economic Indicators?

How to read GDP, nonfarm payrolls, PMI, consumer confidence, and the yield curve — and why markets react to them.