> ## Documentation Index
> Fetch the complete documentation index at: https://docs.allium.so/llms.txt
> Use this file to discover all available pages before exploring further.

# Overview

Our Polygon zkEVM DEX schema contains the following tables:

| Schema | Description                           | Tables                                                                                                                                                     |
| ------ | ------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------- |
| DEX    | Decentralized exchange activity data. | [pools](/historical-data/supported-blockchains/evm/polygon_zkevm/dex/pools), [trades](/historical-data/supported-blockchains/evm/polygon_zkevm/dex/trades) |