> For the complete documentation index, see [llms.txt](https://docs.motivewave.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.motivewave.com/knowledge-base/charts/show-eth-or-extended-data.md).

# Show ETH or Extended Data

You may also need to right-click the chart again and select Clear Local Data, this will delete your local data cache and re-download the data from your connection. This may need to be done if you don't have any extended data stored in your local cache.In order to show ETH or pre/post market trading on your chart you need to right-click the chart background and make sure Show Extended Data is enabled.

<figure><img src="/files/9pMHeTMS1RW4rM2hPjTo" alt=""><figcaption></figcaption></figure>

If you are still unable to see ETH or pre/post market data then you will need to make sure the instrument has an exchange assigned to it's trading hours: <https://docs.motivewave.com/knowledge-base/charts/assign-trading-hours-to-an-instrument>