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Glossary

Liquidity

Plain-language definition Crypto glossary
Key takeaways
  • Liquidity is how easily an asset can be bought or sold without significantly moving its price, with a highly liquid market having plenty of buyers and sellers close together.
  • On an order-book exchange liquidity shows up as the depth of buy and sell orders around the current price, while in DeFi it is supplied to pools that trades are priced against.
  • When liquidity is thin, even a modest order can cause large slippage, so low-liquidity assets can be difficult to sell at the displayed price.
Definition

Liquidity is how easily an asset can be bought or sold without significantly moving its price. A highly liquid market has plenty of buyers and sellers close together, so trades fill quickly and near the quoted price.

How it works

On an order-book exchange, liquidity shows up as the depth of buy and sell orders around the current price. In DeFi, liquidity is supplied to pools by users who deposit pairs of tokens, and trades are priced against those pools. When liquidity is thin, even a modest order can cause large slippage — a worse fill than expected.

Why it matters

Liquidity affects the real cost of trading, the reliability of a quoted price, and how safely you can enter or exit a position. Low-liquidity assets can look attractive on paper but be difficult to sell at the displayed price, especially in size.

Example

Selling a large amount of a thinly traded token may push the price down as your order eats through the available buy orders.

FAQ
Frequently asked questions
Why does liquidity matter when trading?
Liquidity affects the real cost of trading, the reliability of a quoted price, and how safely you can enter or exit a position. In a thin market even a modest order can move the price against you, so a displayed price may not be the price you actually get.
What is slippage and how is it related to liquidity?
Slippage is when a trade fills at a worse price than expected. It tends to happen when liquidity is thin, because there are not enough nearby orders or pool depth to absorb your trade without moving the price.
How is liquidity provided in DeFi?
In DeFi, users supply liquidity to pools by depositing pairs of tokens, and trades are priced against those pools. The more liquidity a pool holds, the less a given trade moves the price, which reduces slippage for traders.
Related terms

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