Reference

Trading Glossary

A comprehensive reference of 33 essential forex trading terms. Each definition links to the lesson where the concept is first introduced.

A

Ask Price

Pricing

The price at which a broker or market maker is willing to sell a currency pair. Also known as the offer price. This is the price you pay when opening a buy (long) position.

First introduced →
Related:Bid PriceSpread

ATR (Average True Range)

Indicators

A technical indicator that measures market volatility by calculating the average range of price movement over a specified period, typically 14 periods.

First introduced →
Related:VolatilityStop Loss
B

Base Currency

Fundamentals

The first currency listed in a currency pair. In EUR/USD, the euro (EUR) is the base currency. It represents the currency you are buying or selling.

First introduced →
Related:Quote CurrencyCurrency Pair

Bid Price

Pricing

The price at which a broker or market maker is willing to buy a currency pair from you. This is the price you receive when opening a sell (short) position.

First introduced →
Related:Ask PriceSpread

Bollinger Bands

Indicators

A technical indicator consisting of a middle band (SMA) and two outer bands set at standard deviations above and below. Used to identify overbought/oversold conditions and volatility.

First introduced →
Related:Standard DeviationMean ReversionSMA
C

Candlestick

Charts

A chart element showing four price points for a time period: open, high, low, and close. The body represents the open-to-close range; wicks show the high and low.

First introduced →
Related:OHLCDojiHammer

Currency Pair

Fundamentals

Two currencies quoted against each other, showing how much of the quote currency is needed to buy one unit of the base currency. Example: EUR/USD = 1.1000 means 1 euro costs 1.10 US dollars.

First introduced →
Related:Base CurrencyQuote CurrencyMajor Pair
D

Doji

Patterns

A candlestick pattern where the open and close prices are virtually equal, creating a cross or plus sign shape. Signals market indecision.

First introduced →
Related:CandlestickSpinning Top

Drawdown

Risk Management

The decline from a peak in account equity to a subsequent trough, expressed as a percentage. Maximum drawdown measures the largest peak-to-trough decline.

First introduced →
Related:Risk ManagementEquity
E

ECN (Electronic Communication Network)

Infrastructure

A system that connects market participants (banks, brokers, traders) directly, allowing them to trade without a traditional dealing desk intermediary.

First introduced →
Related:STPLiquidity Provider

Equity

Account

The current value of your trading account, calculated as balance plus or minus unrealized profit/loss from open positions.

First introduced →
Related:BalanceMarginFree Margin

Expert Advisor (EA)

Automation

An automated trading program written in MQL5 for MetaTrader 5 that executes trades based on pre-defined rules without manual intervention.

First introduced →
Related:MQL5Algorithmic TradingVPS
F

Fibonacci Retracement

Tools

A technical tool that uses horizontal lines at key Fibonacci ratios (23.6%, 38.2%, 50%, 61.8%, 78.6%) to identify potential support and resistance levels.

First introduced →
Related:Fibonacci ExtensionGolden RatioSupportResistance

FOMO (Fear of Missing Out)

Psychology

An emotional state where a trader enters positions impulsively because they fear missing a profitable move. A common cause of poor entry timing and overtrading.

First introduced →
Related:Revenge TradingEmotional Control
H

Hedging

Risk Management

Opening a position in the opposite direction to an existing trade to reduce risk exposure. Can be a direct hedge (same pair) or a correlation hedge (correlated pair).

First introduced →
Related:CorrelationRisk Management
L

Leverage

Fundamentals

Borrowed capital from a broker that allows you to control a larger position than your account balance would normally allow. Expressed as a ratio (e.g., 1:100 means $1 controls $100).

First introduced →
Related:MarginMargin CallRisk

Liquidity

Market

The ease with which an asset can be bought or sold without significantly affecting its price. Major forex pairs like EUR/USD have very high liquidity.

First introduced →
Related:SpreadSlippageVolume

Lot

Fundamentals

A standardized unit of measurement for a forex trade. Standard lot = 100,000 units, mini lot = 10,000, micro lot = 1,000, nano lot = 100.

First introduced →
Related:Position SizePip Value
M

MACD (Moving Average Convergence Divergence)

Indicators

A momentum indicator showing the relationship between two EMAs (typically 12 and 26 period). Consists of the MACD line, signal line, and histogram.

First introduced →
Related:EMAMomentumDivergence

Margin

Fundamentals

The amount of money required in your account to open and maintain a leveraged position. It is not a fee but a portion of your equity set aside as collateral.

First introduced →
Related:LeverageMargin CallFree Margin

Margin Call

Risk Management

A notification from your broker that your account equity has fallen below the required margin level. May result in forced closure of positions if the margin level is not restored.

First introduced →
Related:Stop OutMargin LevelLeverage
O

Order Block

Advanced

In smart money concepts, the last candle before a significant move that represents where institutional orders were placed. Used as a zone for potential entries.

First introduced →
Related:Supply ZoneDemand ZoneLiquidity
P

Pip

Fundamentals

The smallest standard unit of price movement in forex. For most pairs, 1 pip = 0.0001 (fourth decimal). For JPY pairs, 1 pip = 0.01 (second decimal).

First introduced →
Related:PipetteSpreadPip Value

Position Sizing

Risk Management

The process of determining how many lots/units to trade based on your account size, risk tolerance, and the distance to your stop loss.

First introduced →
Related:Risk ManagementLotStop Loss
Q

Quote Currency

Fundamentals

The second currency in a currency pair. In EUR/USD, the US dollar (USD) is the quote currency. It shows how much of this currency is needed to buy one unit of the base.

First introduced →
Related:Base CurrencyCurrency Pair
R

Resistance

Technical Analysis

A price level where selling pressure historically prevents price from rising further. Acts as a ceiling that price struggles to break above.

First introduced →
Related:SupportFlip ZoneBreakout

RSI (Relative Strength Index)

Indicators

A momentum oscillator ranging from 0 to 100 that measures the speed and magnitude of price movements. Readings above 70 suggest overbought; below 30 suggest oversold.

First introduced →
Related:OverboughtOversoldDivergence
S

Spread

Pricing

The difference between the bid (sell) and ask (buy) price of a currency pair. This is a primary cost of trading and a source of broker revenue.

First introduced →
Related:Bid PriceAsk PricePip

Stop Loss

Risk Management

An order placed to automatically close a losing position at a predetermined price level to limit potential losses.

First introduced →
Related:Take ProfitTrailing StopRisk Management

Support

Technical Analysis

A price level where buying pressure historically prevents price from falling further. Acts as a floor that price struggles to break below.

First introduced →
Related:ResistanceFlip ZoneBreakdown

Swap Rate

Costs

The interest rate differential between two currencies in a pair, charged or credited when holding a position overnight. Also called rollover.

First introduced →
Related:Carry TradeRolloverInterest Rate
T

Take Profit

Risk Management

An order placed to automatically close a profitable position at a predetermined price level to secure gains.

First introduced →
Related:Stop LossRisk-Reward RatioExit Strategy
V

Volatility

Market

A statistical measure of the degree of price variation over time. High volatility means large price swings; low volatility means small, steady movements.

First introduced →
Related:ATRBollinger BandsRisk

This glossary covers the core terminology used throughout the FX Foundations curriculum. Terms are linked to the lesson where they are first introduced and explained in full context. For a comprehensive learning experience, follow the structured curriculum.