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Our own explainers: real charts, plain words. The encyclopedia is the reference; videos show it in action.Latest: Your Broker Wins Every Trade: Count the Costs (3 Day Trading Rules)
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The trading encyclopedia that shows its sources.
Trading explained in plain English: 97 entries on terms, patterns, indicators, orders, risk and markets, plus a glossary of 794 terms and a history of money from the shell to bitcoin. Every fact links to where it came from. When something is a habit or a myth, we say so.
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Popular entries
- Position sizing
Picking how big a trade is, based on how much you are willing to lose. - Leverage
Trading with borrowed money, so a small deposit controls a bigger position. Gains and losses both get bigger. - Stop-loss
A stop order used to cap the loss on an open trade. - Do chart patterns work? What the research says
Short version: the evidence is mixed, and patterns are hard to define objectively. - How do retail traders actually do?
What regulators and researchers measured, figure by figure. - Bid, ask and spread
The bid is what buyers offer, the ask is what sellers want. The gap between them is the spread.
Gurus: facts and fables
We also test popular trading claims with fixed rules and costs included. Verdict: HOLDS UP FAILS AFTER COSTS or FAILED OUR TEST
- "Buy at the open and you win 51–54% of the time"
FAILED OUR TEST Win rate on SPY: roughly right. An edge: not shown. Crypto at the US open: lost even before costs.
Education only, not financial advice. No signals. Backtests are hypothetical: real trading can be worse. Past results don't predict future results.