# Liquidity

Coin Metrics calculates several aggregated liquidity metrics for the markets in our coverage universe.

**Sub-Categories**

* [Bid-Ask Spread Percent](https://gitbook-docs.coinmetrics.io/market-data/market-data-overview/liquidity/bid-ask-spread)
* [Order Book Depth](https://gitbook-docs.coinmetrics.io/market-data/market-data-overview/liquidity/order-book-depth)
* [Slippage](https://gitbook-docs.coinmetrics.io/market-data/market-data-overview/liquidity/slippage)