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Trading Glossary - 300+ Terms & Definitions

Complete trading dictionary with 300+ terms, market concepts, and financial jargon. Searchable glossary with examples and practical applications for traders of all levels. Essential reference for understanding market terminology.

300+ Terms
Searchable
All Levels
361 terms found

Absorption

advancedtechnical

When large volume hits the market at a key level but price doesn't move significantly, indicating strong opposing interest.

Example:

Heavy selling into support at $100 with high volume but price only drops to $99.95 shows absorption by buyers.

Account

basicgeneral

An arrangement with a broker that allows you to deposit funds and trade financial instruments.

Example:

Opening a trading account with $10,000 to start buying and selling stocks.

Accumulation

intermediatetechnical

A phase where institutional investors and smart money gradually build positions in a security, often during sideways price movement.

Example:

Bitcoin showed accumulation between $15,000-$20,000 for months before breaking out to new highs.

ADX

intermediatetechnical

Average Directional Index - a technical indicator that measures the strength of a trend, ranging from 0 to 100.

Example:

An ADX reading above 25 indicates a strong trend, while below 20 suggests a weak or sideways trend.

Trading that occurs outside regular market hours, typically with lower volume and wider spreads.

Example:

After hours trading on US stocks occurs from 4:00 PM to 8:00 PM ET, allowing reaction to earnings announcements.

Aggressive Buyer/Seller

intermediategeneral

Market participants willing to pay the spread immediately by hitting bids (sellers) or lifting offers (buyers), showing urgency in their trading.

Example:

An aggressive buyer lifting the ask at $50.25 instead of waiting for their $50.00 bid shows strong bullish conviction.

Aggressive Participants

intermediategeneral

Traders willing to pay market prices immediately, crossing the spread by hitting bids or lifting offers.

Example:

Aggressive buyers lifting the ask at $150.25 instead of waiting for their $150.00 bid to be filled.

Airdrop

basiccrypto

Free distribution of cryptocurrency tokens to holders of a particular blockchain or to promote a new project.

Example:

Uniswap airdropped 400 UNI tokens to every user who had used the platform before September 2020.

Algorithmic Trading

advancedgeneral

Trading that uses computer programs to execute trades automatically based on pre-set instructions, often at high speeds and volumes.

Example:

An algorithm programmed to buy Apple stock when its 50-day moving average crosses above the 200-day moving average.

All-Or-None Order (AON)

intermediategeneral

An order to buy or sell a security that must be executed in its entirety, or not executed at all.

Example:

An AON order for 1,000 shares will only execute if all 1,000 shares can be filled at the specified price or better.

The highest price level that a security has ever reached in its trading history.

Example:

Bitcoin reached its ATH of approximately $69,000 in November 2021.

All-Time Low (ATL)

basicgeneral

The lowest price level that a security has ever reached in its trading history.

Example:

Many altcoins hit their ATL during the crypto winter of 2018-2019.

Alpha

advancedgeneral

A measure of an investment's performance relative to a benchmark index, indicating the excess return generated.

Example:

A portfolio with an alpha of 2% has outperformed its benchmark by 2% annually after adjusting for risk.

Altcoin

basiccrypto

Any cryptocurrency other than Bitcoin, short for 'alternative coin'.

Example:

Ethereum, Cardano, and Solana are popular altcoins with different use cases than Bitcoin.

Electronic trading venues that match buy and sell orders but are not registered as national securities exchanges.

Example:

Dark pools are a type of ATS that allows institutional investors to trade large blocks without revealing their intentions.

American Option

intermediateoptions

An option contract that can be exercised by the holder at any time on or before its expiration date.

Example:

Most stock options in the US are American-style, giving holders flexibility to exercise early if profitable.

Arbitrage

advancedgeneral

The practice of buying and selling identical or similar financial instruments on different markets to profit from price differences.

Example:

Buying Bitcoin on one exchange for $30,000 and simultaneously selling it on another for $30,100 to capture the $100 price difference.

Ask

basicgeneral

The lowest price a seller is willing to accept for a security. Also known as the 'offer price'.

Example:

If a stock's ask price is $50.25, that's the lowest price any seller is currently willing to sell at.

Assignment

intermediateoptions

The obligation received by an option writer requiring them to fulfill the terms of the contract if exercised by the buyer.

Example:

If you write a call option and it's exercised, you're assigned to sell 100 shares at the strike price.

At-the-Money (ATM)

basicoptions

An option whose strike price is equal or very close to the current market price of the underlying asset.

Example:

If Apple stock is trading at $150, a $150 call or put option would be considered at-the-money.

Browse by Category

General Trading

Basic trading concepts, market fundamentals, and essential terminology every trader should know.

180+ termsAll levels

Technical Analysis

Chart patterns, indicators, oscillators, and technical trading methodology terms.

120+ termsIntermediate+

Risk Management

Position sizing, stop losses, portfolio management, and risk assessment terminology.

50+ termsAll levels

Forex Trading

Currency pairs, pip values, carry trades, and foreign exchange market terminology.

40+ termsIntermediate

Cryptocurrency

Blockchain, DeFi, altcoins, and digital asset trading terminology.

60+ termsBasic+

Options Trading

Greeks, volatility, strategies, and derivatives trading terminology.

80+ termsAdvanced

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