Use Interportfolio Transfers with Systematic Valuation
You can use manual interportfolio transfers (IPTs) and IPTs that use transfer rules for Fixed Income ETF's. You can use the following Transfer Methods for the IPT:
Market. Transfers the holding to the new entity calculating a new yield using most recent cash flows available.
Amortized Cost with Original Cost History. Transfers the amortized cost history to the new entity, retaining the original yield in the trade yield field.