Bid-Ask Spread
The bid-ask spread is the difference between the highest bid and lowest ask in a market.
Category
Order Book Mechanics
These terms explain spread, depth, order types, and execution quality.
How to recognize this theme
Terms that appear on trading screens and liquidity charts.
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.
Market Depth
Market depth describes how much buy or sell interest sits near the current price.
Slippage
Slippage is the difference between an expected trade price and the price actually filled.
Limit Order
A limit order tells an exchange to buy or sell only at a specified price or better.
Order Book
An order book is the live list of buy and sell orders waiting to trade on an exchange.