SEATTLE--(BUSINESS WIRE)--Dec 18, 2025-- Milliman, Inc., a premier global consulting and actuarial firm, today announced the latest results of its Milliman Pension Buyout Index (MPBI). During November, the estimated cost to transfer retiree pension risk to an insurer in a competitive bidding process remained level, at 100.1% of a plan’s accounting liabilities (accumulated benefit obligation, or ABO). That means the estimated retiree PRT cost is now 100.1% of a plan’s ABO.