# U.S. Treasury Yields Rise as Housing Market Downturn Deepens in September

> U.S. Treasury yields increased on October 21, 2026, with the 10-year yield reaching 5.146%, after weak September 2026 housing data showed pending home sales fell 7.3% month-over-month.

By PrimaryBrief newsroom · Published 2026-10-24T12:21:09.213359Z
Canonical: https://primarybrief.com/article/u-s-treasury-yields-rise-as-housing-market-downturn-deepens-in-september-35e235c9

U.S. Treasury yields rose on October 21, 2026, with the 10-year yield reaching 5.146%, following the release of dismal U.S. housing data for September 2026 showing pending home sales fell 7.3% month-over-month [2][8][9]. This increase in yields directly affects borrowing costs for mortgages and corporate debt, signaling a tightening financial environment for individuals and businesses across the economy [1]. The continued downturn in housing activity and rising interest rates create significant affordability challenges, influencing investment decisions and overall economic sentiment [1][8][11].

## What the records show
On October 20, 2026, the National Association of REALTORS (NAR) reported that pending home sales for September dropped by 7.3% compared to August and 11.3% from the previous year [8][9]. The NAR's Pending Home Sales Index fell to 66.0, marking the lowest level recorded since the index began in 2001 [8][9][11]. All four major U.S. regions, including the Northeast, Midwest, South, and West, experienced monthly and annual declines, with the West seeing the largest year-over-year decrease at 15.0% [8][29][30]. Concurrently, the 30-year fixed mortgage rate averaged 7.40% during the week of October 15, 2026 [11].

Further weakening the housing outlook, the U.S. Census Bureau and the Department of Housing and Urban Development announced on October 20, 2026, that privately-owned housing starts in September were at a seasonally adjusted annual rate of 1,221,000 units [13]. This figure represented a 5.2% decrease from August's revised estimate of 1,288,000 units and a 7.4% decline from September 2025, marking the third consecutive monthly drop [13][16]. Single-family housing starts specifically decreased by 4.6% to 859,000 units [13][17]. Residential building permits, a forward-looking indicator for construction, also declined by 0.2% month-over-month to 1,400,000 units in September [14][15]. The National Association of Home Builders' Housing Market Index reflected this challenging environment, falling to its lowest level in 14 years in October [23][25].

In response to this economic data, U.S. Treasury yields rose on October 21, 2026. The 10-year Treasury yield reached 5.131% according to Morningstar, 5.146% as reported by Investing.com, and 5.13% by the St. Louis Fed [2][4][5]. The 30-year Treasury yield also increased to 5.440% according to Tradeweb, as reported by Morningstar, and 5.42% according to YCharts [5][19].

## The timeline
On October 20, 2026, the National Association of REALTORS released its Pending Home Sales report for September, revealing a 7.3% month-over-month decrease [8]. On the same day, the U.S. Census Bureau and the Department of Housing and Urban Development issued their joint report on new residential construction, showing a 5.2% drop in housing starts for September [13]. By October 21, 2026, U.S. Treasury yields, including the 10-year and 30-year notes, had risen during Asian trading hours [5]. The Federal Reserve's next meeting is scheduled for October 28, 2026 [7][26].

## What changed and for whom
The increase in Treasury yields translates directly to higher borrowing costs across the economy. Mortgages become more expensive, further exacerbating housing affordability issues for potential homebuyers [1][8][11]. Dr. Lawrence Yun, NAR Chief Economist, directly attributed the weakened market conditions to “fast-rising mortgage rates” [8][12]. Corporate borrowing costs also rise, which can make new investments more expensive and subject to greater scrutiny [1]. For investors, Luca Cazzulani, head of strategy at the Investment Institute by UniCredit, suggested that current yield levels offer “attractive carry and a favorable asymmetry in expected returns” for medium-term investors [26][27]. However, the broader sentiment in the housing market remained subdued, with investors re-evaluating the Federal Reserve's future interest rate decisions [7][26]. Money markets priced in an 85% probability of unchanged rates at the Fed's October 28 meeting, yet still anticipated three rate hikes over the subsequent 12 months [26][28].

## What we could not confirm
What was the specific impact on different types of corporate borrowing? What are the exact forecasts for housing market recovery in the coming months? How will the Federal Reserve's anticipated rate hikes over the next 12 months specifically affect different sectors of the U.S. economy?

## Evidence cited
1. 10-Year Treasury Yield Hits 5.15%, Tightening the Squeeze on Borrowers (247wallst.com) — https://247wallst.com/investing/2026/10/21/10-year-treasury-yield-hits-5-15-tightening-the-squeeze-on-borrowers/
2. US 10 Year Treasury Note Yield Historical Data (US10Y) (investing.com) — https://www.investing.com/rates-bonds/us-10-yr-bond-yield-historical-data
3. 10Y US Treasury yield on Oct 21, 2026? (public.com) — https://public.com/markets/bonds/us-treasury-bond-yield-prediction-market/10y-us-treasury-yield-on-oct-21-2026
4. 10-Year Treasury Constant Maturity Rate (stlouisfed.org) — https://fred.stlouisfed.org/series/DGS10
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6. Global Outlook: October 21, 2026 (home.saxo) — https://www.home.saxo/content/articles/macro-outlook/global-outlook-21-10-2026-21102026
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8. Pending Home Sales Decreased 7.3% in September (nar.realtor) — https://www.nar.realtor/newsroom/pending-home-sales-decreased-7-3-in-september
9. Pending home sales fall to record low in September (housingwire.com) — https://www.housingwire.com/articles/pending-home-sales-fall-to-record-low-in-september/
10. United States Pending Home Sales: September Decline Explained (mbanc.com) — https://www.mbanc.com/blog/united-states-pending-home-sales-september-decline-explained
11. Pending Home Sales Hit a Record Low in September, Down 7.3% as the 30-Year Rate Holds at 7.40% (marketintellabs.com) — https://www.marketintellabs.com/blog/pending-home-sales-hit-a-record-low-in-september-down-7.3-as-the-30-year-rate-holds-at-7.40
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13. MONTHLY NEW RESIDENTIAL CONSTRUCTION, SEPTEMBER 2026 (census.gov) — https://www.census.gov/construction/nrc/pdf/press_release_20261020.pdf
14. NEW RESIDENTIAL CONSTRUCTION - US Census Bureau (census.gov) — https://www.census.gov/econ/currentdata/pdf/newresconst.pdf
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17. US Housing Starts: Homebuilding activity moderated further in September (td.com) — https://economics.td.com/us-housing-starts-september-2026
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19. 30 Year Treasury Rate (ycharts.com) — https://ycharts.com/indicators/30_year_treasury_rate
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24. U.S. Housing Daily (scatterplot.co) — https://scatterplot.co/us-housing-daily/
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