# Lock Studies

The **Lock Studies** feature is a convenient way to keep the current set of studies on a chart when you change the instrument. Choose ***View > Lock Studies*** from the top menu bar to enable this feature on the selected chart. To change the instrument on a chart, type the new symbol into the **Quick Search** box on the left side of the tool bar and press the *Enter* key.

The following two screen shots illustrate the usage of the **Lock Studies** feature:

<figure><img src="https://2457682635-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FTKkuQ4IBYTTbN0oyR7L0%2Fuploads%2FKWj4zoRDoYZgsWC1orMQ%2Fimage.png?alt=media&#x26;token=2e9d13d2-f481-4760-adaa-5ab28a1450c2" alt=""><figcaption></figcaption></figure>

<figure><img src="https://2457682635-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FTKkuQ4IBYTTbN0oyR7L0%2Fuploads%2FRmqjC9RBtezCPgnCWNHs%2Fimage.png?alt=media&#x26;token=eaeff041-0232-4567-9719-bcdc84f515d7" alt=""><figcaption></figcaption></figure>