Bid
A bid is the highest price a buyer is currently willing to pay.
Category
Market Microstructure
These terms cover quoted prices, market gaps, and what happens when size meets thin liquidity.
How to recognize this theme
Terms you use when buyers and sellers meet in liquid markets.
In a daily board, this category groups terms by their shared role. Look for four cards that describe the same mechanism, risk area, or workflow rather than four words that merely sound similar.
Educational context
These entries are vocabulary notes for learning. They are not project endorsements, token recommendations, exchange rankings, or trading signals.
Ask
An ask is the lowest price a seller is currently willing to accept.
Spread
The spread is the gap between the bid and ask prices.
Slippage
Slippage is the difference between expected and executed price when liquidity changes.
Spread
The spread is the difference between the best bid and the best ask in a market.
Depth
Depth is the amount of buy and sell interest available around the current market price.
Slippage
Slippage is the difference between the expected price and the price a trade actually gets.
Tick Size
Tick size is the minimum price step a market allows between quoted levels.
Order Book
An order book shows outstanding buy and sell orders, usually sorted by price.
Market Depth
Market depth measures how much volume is available at nearby prices.
Bid-Ask Spread
The bid-ask spread is the difference between the highest bid and the lowest ask.
Price Impact
Price impact is the amount a trade moves the market while it is being executed.
Limit Order
A limit order executes only at the price you choose or a better one.
Market Order
A market order trades right away against the best available quotes.
Price Impact
Price impact is the amount a trade pushes the market price away from where it started.
Hidden Liquidity
Hidden liquidity is trading interest that is not visible in the public order book.
Bid-Ask Spread
The bid-ask spread is the gap between the best buy price and the best sell price.
Maker-Taker
Maker-taker describes a fee model that charges differently for adding or removing liquidity.
Time in Force
Time in force is an order instruction that controls how long an order stays active.
Price Impact
Price impact is the amount a trade moves the market price when liquidity is limited.