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Investing, in plain English.

Bite-sized, jargon-free lessons on everything from "what is a stock" to options Greeks and Roth IRAs. Written for humans, refreshed by AI.

Looking for a quick term? Browse the Trading terms glossary — scalping, pips, tick size, margin, rollover, momentum, mean reversion.

Browse by category

Market Basics

6 lessons

Start here. How markets, brokers, and orders actually work.

Stocks

47 lessons

Reading a stock, valuing it, and understanding what moves the price.

ETFs & Funds

5 lessons

Index funds, ETFs, mutual funds — the building blocks of most portfolios.

Options

5 lessons

Calls, puts, and the strategies traders use to manage risk and speculate.

Forex

8 lessons

Currency pairs, pips, sessions, and how to read the ForexFactory economic calendar.

Futures

6 lessons

Contracts, tick size, margin, and the mechanics of trading ES, NQ, CL, GC and friends.

Trading Styles

6 lessons

Scalping, day trading, swing trading, position trading — which style actually fits you.

Retirement

5 lessons

IRAs, 401(k)s, Roth vs Traditional, and planning for the long run.

Retirement & Long-term

7 lessons

Index funds, annuities, and the vehicles built to compound money over decades — with honest tradeoffs.

Personal Finance

5 lessons

Budgeting, emergency funds, debt, and the habits that compound wealth.

Glossary & Abbreviations

10 lessons

Every term, ticker symbol, and abbreviation you'll see on this site — defined in plain English.

Popular lessons

What is a stock?
A share of ownership in a company — explained without jargon.
How stock exchanges work
What the NYSE and Nasdaq actually do when you click 'buy'.
Bid, ask, and the spread
Why the price you see isn't always the price you get.
Market vs limit vs stop orders
The four order types every investor should know.
Bull markets vs bear markets
What these terms mean and how to stay sane in both.
What is a market index?
S&P 500, Dow, Nasdaq — what they measure and why people watch them.
The P/E ratio, explained simply
What price-to-earnings tells you — and what it doesn't.
Market cap: small, mid, and large
How company size affects risk and growth potential.

⚠ Disclaimer: Educational analytics tool only — not investment advice. Signals reflect past price data and may fail without warning. Trading rules and regulations change frequently. Consult a licensed financial advisor or registered stockbroker before making any trade. Cert Training Hub LLC bears no liability for any financial loss resulting from use of this platform.