Glossary

The words traders use.

Plain-English definitions — save yourself an hour of Googling.

Ask
The lowest price a seller is willing to accept.
Bid
The highest price a buyer is willing to pay.
Break of Structure (BOS)
Price breaking a prior swing high or low, signaling a shift in trend.
Candlestick
A price chart element showing open, high, low, and close over one period.
Drawdown
The peak-to-trough decline in an account or trading system.
Fair Value Gap (FVG)
An imbalance between three candles that price often revisits.
Funded Account
A trading account backed by a prop firm after passing an evaluation.
Liquidity Sweep
A rapid move that takes out stops before reversing.
Long
A position that profits when price rises.
Market Structure
The pattern of highs and lows that defines the trend.
Order Block
A zone of institutional orders that often acts as future support or resistance.
PDT Rule
US rule limiting sub-$25K margin accounts to 3 day trades in 5 rolling days.
Position Size
The number of shares or contracts sized to a specific risk amount.
Risk/Reward (R:R)
The ratio of potential profit to potential loss on a trade.
Short
A position that profits when price falls.
Stop-Loss
A predefined exit price that limits loss on a trade.
Support / Resistance
Price levels where buyers or sellers have historically stepped in.
Tilt
Emotional trading state that causes rule violations, often after a loss.
Volume
The number of shares or contracts traded in a period.