September 21, 2017 — As we had anticipated for several months, the Federal Open Market Committee (FOMC) of the Federal Reserve announced the start of “normalization” of its balance sheet following the meeting this week. This means committee members believe they can and should start to reduce the overall size of the Fed’s balance sheet, which has stood at about $4.5 trillion for the past three years following several “quantitative easing” (QE) programs. We believe this will initially have a limited impact on long-term interest rates because markets were anticipating the announcement. Going forward, however, the Fed plans to accelerate the pace of balance sheet reduction, and it is unclear that markets are priced accordingly. Over the next 12 months, if the Fed follows its stated plan, there is the possibility that long-term rates could move up quickly.

Over the years since the recession, the Fed engaged in multiple rounds of QE in an effort to push down longer-term interest rates. To do this, it purchased trillions of dollars’ worth of long-term U.S. Treasuries as well as mortgage-backed securities (MBS), issued by Fannie Mae and Freddie Mac. These actions increased the total size of the central bank’s balance sheet from approximately $900 billion before the recession to $4.5 trillion today. Although the last round of QE ended at the October 2014 meeting, the Fed has remained an active buyer of Treasuries and MBS in the three years since. On a monthly basis, the Fed receives interest and principal payments from its Treasuries and MBS, and it has been reinvesting those proceeds in new Treasuries and MBS to keep the balance sheet level at $4.5 trillion.

The Fed’s not selling; it’s just buying less

This week’s decision is to not sell any of its holdings, but rather to reinvest less of the proceeds each month. The official FOMC statement this week implemented the details sketched out earlier this year at the June meeting, indicating the Fed would let its holdings of Treasuries decline by a maximum (or “cap”) of $6 billion per month and MBS by a maximum of $4 billion per month. Those caps would then increase by $6 billion and $4 billion, respectively, every three months. The caps would hit maximums of $30 billion per month for Treasuries and $20 per month for MBS in October of 2018, assuming the Fed sticks to its expected plan.

For 4Q 2017, the Fed would still be a net buyer of Treasuries. According to our calculations, the Fed has slightly more than $47 billion worth of Treasuries that will mature over the last three months of the year, shown in the first bar of the figure below. Allowing its holdings to decline by $6 billion a month means it would still continue to purchase $29 billion of Treasuries through the end of this year.

We calculate the Fed has $428 billion that will mature over the course of 2018, the highest bar in the figure. If it sticks to the planned schedule of increasing the caps every three months, it would allow Treasury holdings to decline by $252 billion in 2018, so the Fed would buy $176 billion in Treasuries next year.

On the MBS side, it is very challenging to predict the amount of reinvestment because mortgages are generally not scheduled to mature in the near term. To accurately predict the Fed’s action, one must accurately predict the rate at which mortgages included in the MBS holdings are paid off early. That is highly sensitive to the performance of the economy and especially to movements in mortgage interest rates. In 2017, the Fed has generally been purchasing MBS in the range of $10-$15 billion per month, but that could decrease sharply if interest rates rise.

Maturity schedule of Fed-held U.S. Treasury securities ($billions)


Source: Federal Reserve, WTIA

It is hard to know whether the overall market has priced in the full Fed schedule. We are fairly confident that the market expected this initial move with the relatively small amounts, and the market reaction after the announcement is supportive of that conclusion. However, the market is frequently dubious about the Fed’s ability to meet its stated intentions. That is certainly true when it comes to planned interest rate hikes, as the market has very different (much lower) expectations for the number of rate hikes over the next 1–2 years than does the Fed. If the market is similarly pessimistic that the Fed will be able to progress to monthly declines in the balance sheet of $50 billion per month over the next year, then there could be a significant adjustment of long-term rates as the Fed marches along. That, in turn, would affect the housing market. We think the Fed would be very sensitive to its influence on that front.

The longer-term outlook

The graph below illustrates a long-term projection of what may happen to the Fed’s balance over the next several years. The blue dotted line shows how it would decline, assuming the Fed proceeds on schedule to a monthly decline of $50 billion per month in October 2018. There are significant questions about how low the balance sheet will eventually go, and there are many moving parts.

The one thing we know with certainty is the balance sheet will not return to its pre-crisis level of $900 billion. This is certain because the amount of cash in circulation (a liability of the Fed) has risen to $1.6 trillion as of this month. The Fed must hold assets of at least that amount, so the amount of currency effectively puts a floor on the size of the balance sheet. If the amount of currency in circulation continues to grow at historical rates (not a certainty if consumers eschew currency in favor of debit cards, bitcoin, or other substitutes) it would grow to $2 trillion by the year 2021, shown below.

Additionally, many members of the FOMC have signaled they like their new method of controlling short-term interest rates (not discussed in detail here), which makes use of a reverse repurchase program. As of this month, that program was about $360 billion; however, it could change significantly going forward. But a rough projection of increased cash in circulation and holding the reverse-repurchase program constant would bring the minimum balance sheet size to slightly below $2.5 trillion at the beginning of year 2021, about the same time the Fed will have pared its assets down to the same level. This would be the same timeframe recently projected by New York Fed President Bill Dudley, and at the bottom of his suggested balance sheet range of “$2.4 trillion to $3.5 trillion.”

Projection of Federal Reserve balance sheet ($ trillions)


Source: Federal Reserve, WTIA


Core narrative

The Federal Reserve announced the beginning of its balance sheet normalization process at the September meeting, a move we had been anticipating for several months. The details in terms of dollar amounts had already been provided earlier this year, and this timing was expected by many market participants. Accordingly, the initial market reaction to the announcement was mild. Going forward, we think the market may be more pessimistic about the Fed’s ability to shrink the balance sheet as quickly as stated. This brings forth the possibility of faster-than-expected increases in long-term interest rates should the Fed proceed as stated. Importantly, the fact that the Fed followed through with this action means it is confident that markets and the economy are strong enough to handle less monetary accommodation. We expect the economy to continue growing over the next year and the Fed to proceed with balance sheet normalization. We expect longer-term rates to rise, and accordingly are underweight core fixed income in our tactical asset allocation.



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