Bid and ask
The bid is what buyers offer; the ask is what sellers want. The spread is a cost.
A practical glossary of market, order, risk, and performance terms written for use—not memorization.
Trading language matters because every term describes a real decision, cost, risk, or market behavior.
These reference images support the lesson so visitors can connect the concepts to real trading screens, setups, and decision points.

A practical glossary of market, order, risk, and performance terms written for use—not memorization.
The bid is what buyers offer; the ask is what sellers want. The spread is a cost.
Liquidity describes how easily you can enter or exit without moving price.
Volatility creates opportunity and risk at the same time.
Position size connects the setup to account risk.
Drawdown measures decline from a peak and affects capital and psychology.
A system can win often and still fail if losses are too large.
Learn mechanics terms first.
Then learn order terms.
Then learn risk terms.
Finally connect them inside your journal.
For every new term, write one sentence explaining how it can cost or save you money.
Important: education should improve preparation and risk awareness, but it does not remove market risk or guarantee profit.
Trading involves risk, including the loss of capital. Use these materials for education, verify important information independently, and make decisions that fit your own circumstances.
Read the full disclaimer →