You can upgrade from a monthly Barchart Premier subscription to an annual or bi-annual subscription by:

1. Clicking on My Account icon located on the upper right hand side > Subscription Details. 

2. Once in Subscription Details, scroll down to "Upgrade Your Plan" section.

3. Click on the "Upgrade" icon that correspond to the subscription that you want.

Barchart Support Team will upgrade the Premier subscription and will email a confirmation once it is processed.