Glossary · 30 terms

Trading terms, plainly named.

A short reference for the words traders throw around in journals, podcasts, and prop-firm rules. Honest definitions, no jargon-for-jargon's-sake.

B1 term
D1 term
E2 terms

Equity Curve

Metrics

A time-series plot of an account's cumulative equity. Smooth upward curves suggest robust systems; jagged or stair-step curves often hide risk.

F1 term
I1 term
L3 terms

Leverage

Risk & sizing

The ratio of position size to account equity — amplifies gains and losses equally and compresses the timeline to ruin without raising expected return.

Lot Size

Order types

The standardized unit of trade size in forex — standard, mini, micro, and nano lots define how much currency you control per trade.

M3 terms

Max Drawdown

Risk & sizing

The largest peak-to-trough decline of an equity curve, in dollars or percent. Captures the worst losing streak the account actually survived.

O1 term
P6 terms

Pip

Market structure

The smallest standard price increment in forex — typically 0.0001 on majors and 0.01 on JPY pairs, worth $10 per standard lot on USD pairs.

Position Sizing

Risk & sizing

The decision of how much capital to risk on a single trade, typically as a percentage of equity. The most consequential decision outside of edge.

R2 terms
S5 terms

Slippage

Order types

The gap between expected fill price and actual fill price — usually adverse, worst on news, gaps, and triggered stop orders.

Spread

Market structure

The bid-ask price difference paid every time you cross it — a direct, recurring cost on every trade, expressed in pips or dollars.

See alsoPipSlippage
T3 terms
W1 term