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11/1/2023

Report to the Secretary of the Treasury from the Treasury Borrowing Advisory Committee | U.S. Department of the Tr…

Report to the Secretary of the Treasury from the Treasury
Borrowing Advisory Committee
November 1, 2023

October 31, 2023
Letter to the Secretary
Dear Madam Secretary:
Since the TBAC last convened in early August, ten-year Treasury yields have traded in nearly a
100bp range and remain near the highest levels of the past 15 years. Over the same period,
two-year Treasury yields have been more stable, but have still traded in a 45bp range. Several
factors have likely contributed to the rise in longer-term yields. For example, strong activity
and labor market data, the possibility that the neutral rate of interest is now higher, supplydemand dynamics and the return of a positive “term premium” in long-dated Treasury
securities have all likely contributed to a certain degree.
The rise in yields is partially a response to stronger-than-expected activity and labor market
data. Real GDP growth registered just above 2% in the first two quarters of 2023 and a very
strong 4.9% in Q3. Strong consumption remains the key driver of growth, but spending has
broadened away from just spending on services, with both goods and services consumption
rising in Q3. Residential investment increased for the first time since Q1-2021. Strength in
durable goods orders has supported a rebound in manufacturing sector activity and should be
reflected in increased business equipment investment into Q4. Job growth has been slowing,
but the 336k increase in September and upward revisions to previous months mean the sixmonth moving average sits at 234k and the three-month moving average at 266k. The
unemployment rate remains at a low 3.8% and initial claims for unemployment insurance have
remained at low levels around 200k, although continuing jobless claims have risen somewhat.
One interpretation of the significant steepening of the two-year to ten-year yield curve is that
market participants are revising up their expectations for near-term growth and revising down
the probability of a near-term recession. A complementary interpretation is that investors are
putting higher probability on the possibility that the “neutral” real rate of interest is now
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Report to the Secretary of the Treasury from the Treasury Borrowing Advisory Committee | U.S. Department of the Tr…

higher. The five-year forward five-year overnight index swap rate had been stable around 33.5% over the first half of the year, but has recently risen to as high as 4.54%, its highest level
since 2011.
Changing expectations around the near-term monetary policy path may be a driver of the
recent rise in yields, but the relative stability of two-year yields suggests that is not the most
important factor. Median “dots” for 2024 and 2025 increased by 50bp in the Federal Reserveʼs
September summary of economic projections (SEP) relative to the previous SEP in June. Chair
Powell and other Fed o icials have emphasized that rates may stay at higher levels for a
longer period of time.
Additionally, the rise in ten-year yields is largely due to higher real yields as measured by TIPS
securities. Market-implied “breakeven” inflation has remained more stable. Core CPI and PCE
inflation slowed substantially from June through September to 2.8% and 2.4% respectively on
a 3m/3m annualized basis. But both measures of core inflation strengthened on a monthly
basis in September and risk remains for a further pick-up in core inflation in Q4. Slower shelter
price increases have contributed to disinflation, but house prices are once again rising rapidly
as higher mortgage rates are limiting the supply of existing homes. Wage growth has cooled
with average hourly earnings rising 4.2%YoY in September, but the tight labor market risks
keeping labor costs rising faster than would be consistent with two percent inflation. Nonshelter core services inflation has remained stubbornly elevated. Finally, energy prices are
higher and geopolitical risks suggest further upside risk.
There is a view among market participants that the growing imbalance between supply of and
demand for US Treasury debt may also have contributed to the sell-o . The $1.7 trillion fiscal
year 2023 deficit was larger than originally forecast and both private sector and o icial
projections expect a similarly large deficit next year. In addition, the Federal Reserve is
allowing $60 billion in US Treasuries to run o its balance sheet each month, funding that will
need to be replaced by issuance to the private market. On August 1st Fitch downgraded the
US long-term rating from AAA to AA+, though the market reaction to the news was limited.
Demand for US Treasuries may have so ened among several traditional buyers. Bank security
portfolio assets have been declining since last year with bank holdings of Treasuries down
$154 billion compared to one year ago. The appreciation of the US dollar means some foreign
central banks may consider liquidating Treasury securities in the process of defending their
currencies. Anecdotally, some investors had expected that ten-year Treasury yields would not
rise beyond the approximately 4.25% high of last year and had already extended the duration
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Report to the Secretary of the Treasury from the Treasury Borrowing Advisory Committee | U.S. Department of the Tr…

of their fixed-income portfolios – meaning they now have limited capacity to add more
interest rate exposure. Investors who own mortgages or callable debt have had their duration
exposure mechanically increase as higher interest rates mean slower rates of early repayment.
Treasury auctions continue to be consistently oversubscribed but there may be some early
evidence of waning demand. On October 12th a reopening of the thirty-year bond auctioned
3.7bp cheaper than the prevailing rate before the auction, the largest “tail” in a thirty-year
bond auction since 2021.
Consistent with the idea that structural demand for duration risk has decreased, investors
may now require an additional yield or “term premium” to hold longer-term debt. Two
commonly used term premium models (Kim-Wright and Adrian, Crump and Moench) suggest
that much of the rise in Treasury yields can be attributed to “term premium” rather than to
expectations of higher future policy rates.
The rise in Treasury yields has been accompanied by substantial volatility. Volatility implied by
three-month options on ten-year swap rates has risen to 134bp/year, the highest level since
March. Standard measures of cash-Treasury liquidity including spreads to swap rates and
spreads between on-the-run and o -the-run securities have been relatively well behaved, but
liquidity remains something to carefully monitor.
Considering this fiscal and economic backdrop, the Committee reviewed Treasuryʼs October
2023 Quarterly Refunding Presentation. Based on the marketable borrowing estimates
published on October 30, Treasury currently expects privately-held net marketable borrowing
of $776bln in Q1 FY 2024 (Q4 CY 2023), with an assumed end-of-December cash balance of
$750bln. The borrowing estimate is lower than what was cited at the August refunding,
primarily due to projections of higher receipts which were somewhat o set by higher outlays.
For Q2 FY 2024 (Q1 CY 2024), privately-held net marketable borrowing is expected to be
$816bln, with a cash balance of $750bln assumed at the end of March. Primary dealer
projections for issuance have increased for FY 2024 and FY 2025, with dampened expectations
for economic growth and an anticipated increase in the duration of SOMA
redemptions. Dealers explicitly noted a high degree of uncertainty overall around deficit and
growth forecasts, reinforcing Treasuryʼs need to maintain flexibility in their issuance strategy.
The Committeeʼs review of primary dealer feedback included near unanimous support for
converting the 6-week cash management bill to a benchmark tenor. Primary dealers felt there
was su icient support for the security and also observed that having an additional short
benchmark tenor would likely support Treasuryʼs overall borrowing strategy. Some members
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Report to the Secretary of the Treasury from the Treasury Borrowing Advisory Committee | U.S. Department of the Tr…

noted that increased choice within the very short-dated bill space would support money
market fundsʼ ability to absorb bills in larger size overall.
The Committee then moved to review the two charges of the quarter. Our first charge
examined the factors driving the market moves across the Treasury yield curve in the three
months since we last met. Yields have moved notably higher, with longer term yields having
increased over 120bps (as of October 20th), in comparison with only 20bps for the 2yr note.
While some of this repricing is due to improved realized growth data and propagation of that
to forward projections, the charge concluded that the bulk of the long end yield moves were
driven by increased term premium. The Committee felt it was important to note that term
premium began the quarter at what, over the past decade, had become normalized though
notably depressed levels.
The Committee discussed this in detail, focusing on the unusual confluence of strong growth
and high issuance, and debated to what extent strong Q3 growth exacerbated the moves. It
was noted that estimates of Quantitative Tightening (QT) and increased interest expense
could contribute to the local increased procyclicality between the two. Members also
highlighted that the less negative correlation we have seen recently between Treasuries and
risk assets has contributed to the rise in term premium. There was agreement that shi s in
Fed expectations have contributed to the rise in longer term yields, both due to changed
expectations for the policy path and for the lengthened anticipated timing of the end of QT.
However, there was consensus that shi s in Fed expectations have only had limited passthrough into longer term yields. Additionally, the view was that the scale of this incremental
QT was not significant relative to the scale of supply and updated fiscal outlooks.
This conversation naturally led to our second charge, which explored the outlook for
structural demand for US Treasuries and important factors Treasury should consider when
evaluating demand going forward. The charge highlighted three notable factors: global
macroeconomic outlook, assessment of higher term premium, and synchronization of global
monetary policy.
Both charges highlighted the recent shi to more price sensitive investors that we have seen
in US Treasury demand, with households (which includes hedge funds) absorbing the majority
of the recent increases. E ectively, while there is still reasonable demand for US Treasuries
from many domestic and international market participants, it has not kept pace with the
increase in supply. This has been somewhat o set by strong demand from money market
funds, both as a shi from the Overnight Reverse Repurchase Facility (ON RRP) and on an
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absolute basis. Both charges also highlighted the continued reasonable market functioning,
given the scale of the recent moves.
Ultimately, the Committeeʼs second charge highlighted the importance of retaining flexibility
in issuance strategy within Treasuryʼs regular and predictable framework. The charge
suggested Treasury consider skewing increases in issuance towards tenors which have less
sensitivity to term premium increases, and ones that benefit from greater liquidity. The
Committee supported meaningful deviation from the historical recommendation for 15-20%
T-Bill share. While most members supported a return to within the recommended band over
time, the Committee noted that the work Treasury has done to meaningfully increase WAM
over the past 15 years a ords them increased flexibility with T-Bill share in the medium term.
The Committee then discussed the composition of coupon auction size increases. The group
favors coupon size increases over this quarter and expects at this point to see further
increases next quarter as well. However, the Committee favored relatively larger increases in
more liquid parts of the curve. While most Committee members favored increases across the
curve similar in scale to what Treasury implemented in August, some preferred more
meaningful increases in belly tenors relative to long end tenors, or to slow the pace of
increases – smaller increases for a longer period of time. Strong demand for shorter duration
assets on a relative basis, as well as Treasuryʼs meaningful WAM extension over the past 15
years, were noted as a part of the discussion.
The robust discussion informed the Committeeʼs ultimate recommendation: no increase in
20yrs, and a more modest increase in 7yrs relative to other points on the curve. At this point,
the Committee expects that the need for similar further increases at the Q2 FY2024 meeting
is likely, but increases beyond Q2 FY2024 may not be required. Given the scale of change in
forecasted borrowing needs, the Committee expects key debt characteristics (notably T-Bill
supply) will deviate from TBAC recommended ranges for a significant period. While we see
this as necessary and well received by the market, we suggest Treasury take steps to
normalize toward these metrics over time. The Committee also felt that the return of term
premium served to emphasize the importance of fiscal sustainability. Both gross debt
outstanding and debt servicing costs are projected to increase meaningfully, and that should
increasingly be a consideration for policymakers.
The Committee also discussed changing the format in which its auction-by-auction issuance
recommendations are submitted to Treasury. Historically, the Committeeʼs two quarters of
recommendations have aligned to calendar quarters. Going forward, the Committee would
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Report to the Secretary of the Treasury from the Treasury Borrowing Advisory Committee | U.S. Department of the Tr…

like to align to refunding quarters, with the recommendations displayed in table format. For
this meeting, the Committee is providing the recommendations in both formats for
comparison, but plans to shi to only providing the new format at the next scheduled meeting
in January 2024.
Of course, given the considerable uncertainty surrounding the economy and projected
borrowing needs, Treasury will need to retain flexibility in its approach.

Respectfully,
Deirdre K. Dunn
Chair, Treasury Borrowing Advisory Committee

Colin Teichholtz
Vice Chair, Treasury Borrowing Advisory Committee

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