> For the complete documentation index, see [llms.txt](https://docs.notional.finance/v3-technical-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.notional.finance/v3-technical-docs/subgraph-guides/notional-v3-subgraphs/fetch-eth-oracle-exchange-rates.md).

# Fetch ETH Oracle Exchange Rates

## Get Historical Price Oracle Exchange Rates 

This query can be used to get historical Chainlink oracle prices for all listed base currencies:

```
{
oracles(where:{oracleType:"Chainlink"}){
  base{symbol}
  quote{symbol}
  latestRate
}
}
```