Your basis in a Roth IRA is the amount of your own contributions to it. Your Roth IRA is the aggregate of all Roth accounts that you might have and the basis applies to the Roth as a whole. If the value of the aggregate IRA is below your basis and you sell, unfortunately you can no longer claim the loss due to tax law changes.
Moving accounts from one trustee to another has no effect.
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
