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Trading glossary

Use this glossary for plain-language definitions before reading the longer guide. Definitions are educational, linked to primary references and do not guarantee broker permissions, execution or outcomes.

Published: 22 Oct 2026 · Last updated: 22 Oct 2026, 14:17 UTC

Definitions

Flash PMI
A preliminary purchasing-managers’ index release published before the final PMI. It is an early survey signal, not a complete measure of economic activity. Primary reference
CPI
The consumer price index tracks changes over time in the prices paid for a basket of goods and services. The basket, method and release calendar matter. Primary reference
Margin
Collateral or funds required under a product’s rules to support a position. Margin is not a guarantee against loss and requirements can change. Primary reference
Leverage
Exposure that is larger than the trader’s own capital. The nominal multiple in an illustration is not a promise that a broker or product will permit that multiple. Primary reference
Market order
An instruction seeking the best available price when it reaches the market. Execution is prioritised over a guaranteed price, especially in a fast or thin market. Primary reference
Limit order
An order with a maximum buy price or minimum sell price. It can control price boundaries but may not execute. Primary reference
Stop-loss
A trigger-based order instruction intended to manage an exit when a condition is reached. A gap, halt, illiquidity or rejection can cause a worse fill or no fill; it is not insurance. Primary reference

Use the definitions carefully

Product rules, broker controls, exchange notices and regulations change. Read the current contract and risk disclosure before using a term to describe a real order. The glossary is educational and is not a recommendation, quote or suitability assessment.