Evaluating Fixed Income Allocation for Sovereign Wealth Funds

A sovereign wealth fund (SWF) is evaluating its strategic asset allocation in light of increasing global interest rates. The fund's primary objective is to preserve capital while achieving a stable return, focusing on a diversified portfolio. Recently, the SWF has considered whether to increase its allocation to fixed income securities given the current market environment.

Which of the following factors should the fund primarily consider when making the decision to increase its fixed income allocation?