Trading Dictionary
Understand the language of the market.
135 terms, each with a plain-language explanation, the mistakes people actually make, and a path to the concept that comes next. Many carry a live tool you can change.
135 terms
- Altcoin
Any cryptocurrency other than bitcoin.
Crypto - Analysis Paralysis
Being unable to act because you are still looking for more confirmation.
Trading Psychology - Ask
The lowest price a seller is currently willing to accept for an asset.
Basics - Assignment
When an option seller is required to fulfill the contract’s obligation.
Options - ATR
The average size of an instrument’s price range per period, including gaps.
Indicators - Base Currency
The first currency in a pair — the one being bought or sold.
Forex - Bear Market
An extended period of falling prices and generally negative sentiment.
Market Structure - Bid
The highest price a buyer is currently willing to pay for an asset.
Basics - Bollinger Bands
A moving average with volatility bands plotted a set number of standard deviations above and below.
Indicators - Bracket Order
An entry order submitted together with its stop loss and take profit.
Orders - Break-Even Win Rate
The win rate a strategy needs, at a given risk/reward, just to avoid losing money.
Risk Management - Breakout
When price moves decisively beyond an established support or resistance level.
Technical Analysis - Broker
The firm that routes your orders to the market and holds your account.
Basics - Bull Market
An extended period of rising prices and generally positive sentiment.
Market Structure - Call Option
A contract giving the right, but not the obligation, to buy an asset at a set price before expiration.
Options - Candlestick
A chart element showing the open, high, low and close for one period.
Technical Analysis - Carry Trade
Borrowing in a low-interest currency to hold a higher-interest one, collecting the difference.
Forex - Circuit Breaker
An automatic trading pause triggered by an extreme price move.
Stocks - Cold Storage
Holding crypto assets offline, away from exchanges and internet-connected systems.
Crypto - Compounding
Growth applied to a balance that already includes previous growth.
Risk Management - Confirmation Bias
Seeking out information that supports a position while discounting evidence against it.
Trading Psychology - Consolidation
A period where price moves sideways in a narrow range without clear direction.
Technical Analysis - Correlation Risk
The hidden risk of holding several positions that tend to move together.
Risk Management - Currency Pair
Two currencies quoted against each other, showing how much of one buys the other.
Forex - Delta
How much an option’s price moves for a $1 move in the underlying.
Options - Divergence
When price makes a new extreme but the indicator does not, suggesting momentum is fading.
Indicators - Dividend
A cash payment distributed to shareholders out of company profits.
Stocks - Doji
A candle that opens and closes at nearly the same price, showing indecision.
Technical Analysis - Drawdown
The decline from an account’s peak value to its lowest point before a new peak.
Risk Management - Earnings Per Share
A company’s net profit divided by its number of outstanding shares.
Stocks - Earnings Report
A company’s scheduled quarterly disclosure of financial results.
Stocks - Entry
The price at which you open a position.
Basics - Exit
The price at which you close a position, whether at a profit or a loss.
Basics - Expectancy
The average amount you expect to win or lose per trade over a large sample.
Risk Management - Expiration
The date an options contract ceases to exist.
Options - Exponential Moving Average
A moving average that weights recent prices more heavily than older ones.
Indicators - Extended Hours
Trading sessions before the open and after the close, with far less liquidity.
Stocks - Extrinsic Value
The part of an option’s premium beyond intrinsic value, reflecting time and volatility.
Options - False Breakout
A move beyond a key level that quickly reverses back inside the prior range.
Technical Analysis - Fibonacci Retracement
Horizontal levels drawn at set percentages of a prior move, used to anticipate pullback depth.
Indicators - Fill
The actual execution of an order, at the price and quantity you really received.
Orders - Float
The number of shares actually available for public trading.
Stocks - FOMO
Entering a trade because the move is already happening, not because the setup appeared.
Trading Psychology - Funding Rate
A recurring payment between long and short holders that keeps a perpetual near spot price.
Crypto - Gamma
The rate at which delta changes as the underlying moves.
Options - Gap
A jump between one period’s close and the next period’s open with no trading in between.
Technical Analysis - Gas Fee
The cost paid to a blockchain network to process a transaction.
Crypto - Halving
A scheduled reduction in the rate at which new coins are created.
Crypto - Higher High
A swing high that exceeds the previous swing high, confirming upward momentum.
Market Structure - Higher Low
A swing low that sits above the previous swing low, showing buyers stepping in earlier.
Market Structure - Implied Volatility
The market’s expectation of future price movement, derived from option prices.
Options - In The Money
An option that currently has intrinsic value.
Options - Intrinsic Value
The portion of an option’s premium that would be realized if exercised right now.
Options - Leverage
Using borrowed capital to control a position larger than your account balance.
Risk Management - Limit Order
An order to buy or sell at a specified price or better — it may not fill at all.
Orders - Liquidation Price
The price at which a leveraged position is forcibly closed because margin is exhausted.
Crypto - Liquidity
How easily an asset can be bought or sold without moving its price.
Basics - Liquidity Sweep
A sharp move beyond an obvious level that triggers clustered stops before reversing.
Market Structure - Long
A position that profits when the price rises.
Basics - Loss Aversion
The tendency to feel losses about twice as strongly as equivalent gains.
Trading Psychology - Lot
The standardized unit of trade size in forex.
Forex - Lower High
A swing high that fails to reach the previous swing high, showing weakening demand.
Market Structure - Lower Low
A swing low that breaks below the previous swing low, confirming downward momentum.
Market Structure - MACD
A momentum indicator built from the difference between two exponential moving averages.
Indicators - Major Pair
The most heavily traded currency pairs, all involving the US dollar.
Forex - Margin
The capital your broker requires you to post to open and hold a leveraged position.
Risk Management - Margin Call
A broker demand for more capital when account equity falls below the required minimum.
Risk Management - Market Capitalization
The total market value of a company’s shares — share price times shares outstanding.
Stocks - Market Order
An instruction to buy or sell immediately at the best price currently available.
Orders - Market Structure
The pattern of highs and lows that describes whether a market is trending or ranging.
Market Structure - Maximum Drawdown
The largest peak-to-trough decline an account or strategy has ever experienced.
Risk Management - Moving Average
The average price over a set number of periods, recalculated as each new period closes.
Indicators - Notional Value
The total market value of a position — size multiplied by price.
Risk Management - OCO Order
A pair of orders where filling one automatically cancels the other.
Orders - Open Interest
The total number of option contracts currently outstanding at a given strike.
Options - Order Book
The live list of all resting buy and sell orders at each price level.
Basics - Out Of The Money
An option with no intrinsic value, whose entire premium is time and volatility.
Options - Overtrading
Taking more positions than your strategy actually justifies.
Trading Psychology - P/E Ratio
A company’s share price divided by its earnings per share.
Stocks - Partial Fill
When only part of your order executes and the rest stays open or is canceled.
Orders - Pattern Day Trader
A US regulatory designation for accounts making four or more day trades in five business days.
Stocks - Perpetual Futures
A leveraged derivative contract that tracks an asset’s price with no expiration date.
Crypto - Pip
The standard smallest price increment in a currency pair — usually 0.0001.
Forex - Pip Value
How much one pip of movement is worth in your account currency, given your position size.
Forex - Portfolio Heat
The combined risk of every open position, measured as a percentage of your account.
Risk Management - Position Size
The amount of an asset you buy or sell in a single trade.
Risk Management - Premium
The price paid for an options contract.
Options - Pullback
A temporary move against the prevailing trend before it resumes.
Technical Analysis - Put Option
A contract giving the right, but not the obligation, to sell an asset at a set price before expiration.
Options - Quote Currency
The second currency in a pair — the one the price is expressed in.
Forex - R-Multiple
A trade’s result expressed as a multiple of the amount you originally risked.
Risk Management - Range
A market bounded between a clear high and low, with no directional trend.
Market Structure - Recency Bias
Overweighting recent outcomes when judging what is likely to happen next.
Trading Psychology - Resistance
A price area where selling has repeatedly been strong enough to stop an advance.
Technical Analysis - Retest
When price returns to a broken level to confirm it now holds from the other side.
Technical Analysis - Revenge Trading
Trading to recover a loss rather than because a valid opportunity appeared.
Trading Psychology - Risk Management
The set of rules that decides how much you can lose, before you think about what you can win.
Risk Management - Risk of Ruin
The probability that a series of losses reduces an account below the point of recovery.
Risk Management - Risk Per Trade
The fixed share of your account you are willing to lose on any single trade.
Risk Management - Risk/Reward Ratio
How much you stand to gain compared with how much you stand to lose on a trade.
Risk Management - RSI
A momentum oscillator from 0 to 100 that compares the size of recent gains to recent losses.
Indicators - Share
A unit of ownership in a company.
Stocks - Short
A position that profits when the price falls.
Basics - Short Interest
The number of shares sold short but not yet bought back, often shown as a percent of float.
Stocks - Slippage
The difference between the price you expected and the price you actually got.
Basics - Spot Market
A market where assets are bought and sold for immediate delivery and full ownership.
Crypto - Spread
The gap between the bid and the ask — the built-in cost of entering a trade.
Basics - Stablecoin
A crypto asset designed to hold a fixed value, usually one US dollar.
Crypto - Stochastic Oscillator
A momentum indicator showing where the close sits within the recent high-low range.
Indicators - Stop Distance
The gap between your entry and your stop loss — your risk on a single unit.
Risk Management - Stop Limit Order
A stop order that becomes a limit order instead of a market order when triggered.
Orders - Stop Loss
A predefined exit that closes a losing trade before the loss becomes serious.
Orders - Stop Order
A dormant order that becomes a market order once price reaches a trigger level.
Orders - Strike Price
The price at which an option contract can be exercised.
Options - Support
A price area where buying has repeatedly been strong enough to stop a decline.
Technical Analysis - Swap Rate
The interest charged or earned for holding a forex position overnight.
Forex - Swing High
A peak with lower highs on both sides — a local turning point in price.
Market Structure - Swing Low
A trough with higher lows on both sides — a local turning point where buyers took control.
Market Structure - Take Profit
A predefined price where a winning trade is closed automatically.
Orders - Theta
How much value an option loses per day purely from the passage of time.
Options - Ticker Symbol
The short code that uniquely identifies a tradable instrument on an exchange.
Basics - Time In Force
The instruction that says how long an order stays active before it expires.
Orders - Timeframe
The period each candle on a chart represents, from one minute to one month.
Technical Analysis - Trading Journal
A record of every trade, including the reasoning behind it and the result.
Trading Psychology - Trading Plan
A written set of rules defining what you trade, how you size it, and when you exit.
Trading Psychology - Trailing Stop
A stop loss that follows price in your favor and never moves back against you.
Orders - Trend
A sustained directional bias in price, built from a repeating pattern of highs and lows.
Technical Analysis - Trendline
A straight line drawn along successive highs or lows to visualize a trend’s slope.
Technical Analysis - Vega
How much an option’s price changes for a one-point move in implied volatility.
Options - Volatility
How much and how quickly an asset’s price moves over a given period.
Basics - Volatility-Based Stop
A stop placed at a multiple of the instrument’s Average True Range rather than a fixed percentage.
Risk Management - Volume
The number of shares, contracts or units traded during a period.
Technical Analysis - Volume Profile
A histogram showing how much volume traded at each price level rather than in each period.
Indicators - VWAP
The average price over a session, weighted by the volume traded at each price.
Indicators - Win Rate
The percentage of your trades that close at a profit.
Risk Management