Pub. 17 2022-2023 Issue 3

Will the Federal Reserve Sell MBS? Andrea F. Pringle, The Baker Group This question is likely to garner different responses, depending on whom you ask, and a plethora of caveats. It is a tough call for the Fed because stifling housing-related inflation without punishing everyday homeowners is a tricky task. For investors, this question matters a lot because the Fed’s cessation from active Mortgage-Backed Securities (MBS) purchases eliminated demand from the largest buyer in the market and had a punitive impact on MBS valuations. If the Fed starts actively selling into the market, that could exacerbate things even further. Why Sell? There is a solid case to be made for selling MBS because the Fed has repeatedly conveyed its desire to hold a portfolio of predominantly Treasury securities. It has already stopped active MBS purchases as part of Quantitative Easing (QE) and is allowing the amount of MBS that naturally runs off its portfolio through principal pay downs to increase over time. Unfortunately, this may not be enough to get to a Treasury-only portfolio. With mortgage rates nearly double the historic lows set over the past couple of years, virtually all existing mortgages have lower rates than those available today. As a result, refinance – and even purchase activity – has slowed dramatically. As high mortgage rates disincentivize people from refinancing and moving, mortgage balances are being paid down more slowly, and the resulting runoff of the Fed’s MBS balance sheet is happening more slowly as well. In fact, the maximum runoff caps set by the Fed to facilitate a gradual removal of its footprint likely will not even be reached through natural paydowns. The Fed announced plans to gradually and predictably reduce its securities holdings by setting caps on the amount of MBS and Treasury paydowns reinvested in those securities. This process began in mid-June with an initial monthly cap of $17.5bn MBS 10

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