Trading glossary

Short explanations with related lessons. Terminology and contract conventions can differ by instrument and provider.

Base currency

The first currency in a pair; the quote states its value in the second currency.

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Quote currency

The second currency in a pair, used to express the base currency price.

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Pip

A conventional FX price unit. Confirm the convention for the actual symbol.

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Tick

The minimum permitted price increment of a particular instrument.

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Lot

A contract quantity whose number of units is defined by the product and provider.

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Spread

The difference between bid and ask; it can change with market conditions.

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Commission

An explicit trading fee. Check whether the quoted amount covers one side or both.

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Slippage

The difference between a stated reference price and the actual execution price.

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Margin

Collateral supporting an exposure under the contract; it is not the maximum loss.

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Effective leverage

Relevant position exposure divided by account equity, using consistent currency values.

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Equity

Account value including open profit or loss as defined by the platform.

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Stop order

An order triggered at a specified level; actual execution depends on order type and venue.

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Limit order

An order at a specified price or better, without a guarantee that it will execute.

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R multiple

A realised result divided by stated initial monetary risk; retain the original denominator.

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Drawdown

A decline from a previous peak in a specified equity or balance series.

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Backtest

A rule-based historical simulation whose results depend on data and execution assumptions.

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Look-ahead bias

Using information that would not yet have existed at the simulated decision time.

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Trading journal

A record of decisions, rules, executions and results used for structured review.

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Sources & further reading: CFTC · Investor.gov