Yes, In Yodiz’s Sprint board priority of user story can be changed or re-ordered. To see how to change the priority of a story:
  1. Log in to the Yodiz.
  2. Click to
    from the top menu, and select an existing sprint with user stories.
  3. Every user story card has a
    priority id
    on the left top corner. That field is editable.
  4. To test, change the priority of an existing user story.
See the picture below for elaboration. User Story Priority Reorder