Short Answer

The 30-year US Treasury yield is expected to reach 5.38% or above by January 1, 2027, having already reached approximately 5.44% on September 24, 2026, with broader forecasts indicating continued upward pressure on yields (99.0%).

1. Market Behavior & Drivers

The market's 26.0 percentage point spike on September 23, from 71.0% to 97.0%, coincided with reports of the 30-year US Treasury yield closing at 5.401% that day. This level pushed the underlying yield well above the range observed in prior weeks, driving the contract's probability near certainty.
This repricing built on an existing upward trend. The market had already climbed from 66.0% on September 18 to 77.0% on September 21, a move backed by 100 contracts traded. This earlier strength was supported by underlying Treasury yields which were consistently elevated, with daily observations of 5.35% and 5.36% on the days preceding September 17 and a weekly average of 5.31% for the week ending September 11.
  • The 30-year yield reached 5.44% in September 2026, exceeding several market thresholds.
  • Persistent inflation and hawkish policy drive expectations for continued yield increases.
  • Institutional positioning remains bearish on long-term Treasury yields through 2026.

Who Wins and Why

Outcome Market Model Why
5.4% or above 97.0% 99.5% The 30-year US Treasury yield reached 5.44% on September 24, 2026.
5.45% or above 93.0% 95.0% Continued upward pressure on yields is expected into early 2027 due to inflation and monetary policy.
5.39% or above 69.0% 99.5% The 30-year US Treasury yield reached 5.44% on September 24, 2026.
5.36% or above 86.0% 99.5% The 30-year US Treasury yield reached 5.44% on September 24, 2026.
5.35% or above 93.0% 99.5% The 30-year US Treasury yield reached 5.44% on September 24, 2026.

Current Context

The 30-year Treasury yield is currently elevated, with forecasts generally stable. Current 30-year Treasury yields stood around 5.3%5.4% in September 2026 [1][2]. Daily observations from FRED showed 5.29% on September 17, 2026, with 5.35% and 5.36% on the preceding days [3][4]. The weekly average was 5.31% for the week ending September 11, up from 5.20% on August 28 [5]. This follows a broader upward trend, with the monthly yield rising from 4.85% in March 2026 to 5.10% in July 2026 [6]. Two model forecasts project the January 2027 monthly average at 5.41% and 5.60%, respectively, with the latter having an average error of ±0.12 percentage points [1][2]. A statistical regime model projects a 5.40% yield on December 31, 2026, with a 68% confidence range of 4.60%6.19% and a 95% range of 3.83%6.96% [7].
Prediction markets show strong implied probability for yields above 5.40%. Prediction markets broadly price 5.40% as the most likely threshold for the 30-year Treasury yield by January 1, 2027, indicating an 83%93% implied probability [8][9][10]. This probability decreases to 74%81% at 5.45%, 62%71% at 5.50%, 42%49% at 5.55%, 20%29% at 5.65%, and 7%14% at 5.80% [8][9][10]. The probability for 6.00% is priced around 4%12% [8][9][10]. A separate Lines market prices an 84.5% probability that the yield will touch 5.40% before December 31, 2026 [11]. A Kalshi-linked listing shows a 96% probability for the yield closing at or above roughly 5.29% by January 1, 2027, and 80% for reaching at least 5.40% [12]. While CME offers Fed-funds futures quotes and options, the retrieved evidence does not establish a tradable prediction-market contract specifically settling on the maximum 30-year Treasury yield by January 1, 2027 [13][14][15].
Macro factors suggest persistent yield pressure with defined upside and downside. The macroeconomic backdrop presents two-sided influences on 30-year Treasury yields. Fidelity identifies persistent inflation concerns, resilient economic growth, and the market pricing of a potential 2026 Federal Reserve rate hike as factors capable of pushing yields higher [16]. Conversely, an eventual energy-driven economic slowdown could exert downward pressure [16]. The Congressional Budget Office projects the 10-year yield to rise from 4.1% in 2026 to 4.3% in 2027, partly attributing longer-term rate pressure to higher term premiums [17]. One scenario tracker indicates a 60.4% higher-yield tilt over 30 days, citing energy-led inflation, oil shocks, and Treasury auction tails as upside risks, while dovish Fed surprises and credible deficit reduction deals are downside risks [18]. An analytical forecast suggests the 30-year Treasury yield will most likely remain elevated, peaking around 5.4%5.7% between September 24 and January 1, 2027, with a central estimate near 5.55%; a move above 6.0% is considered a tail-risk scenario [3][19][20][21]. Base case scenarios involve yields between 5.2%5.7% due to persistent growth, inflation, and fiscal term premiums [3][20][21]. Upside risks could push yields to 5.8%6.3% from renewed inflation or larger Treasury supply [3][20][21]. Downside risks, such as a material growth slowdown, disinflation, or flight to quality, could see yields between 4.7%5.1% [3][20][21]. The September 16, 2026 FOMC Summary of Economic Projections offered median appropriate federal-funds-rate projections for short-term rates but did not directly forecast the 30-year yield [20]. Atlanta Fed GDPNow estimated 2026 Q3 real GDP growth at 5.0796% annualized as of September 17, 2026, though it is described as a nowcast, not an official forecast [21][22].
Sources (22)
  1. 130 Year Treasury Bond Yield | econforecasting.comeconforecasting.com
  2. 230 Year U.S. Treasury Bond Rate Forecastforecasts.org
  3. 3Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis (DGS30) | FRED | St. Louis Fedfred.stlouisfed.org
  4. 4Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis | FRED | St. Louis Fedfred.stlouisfed.org
  5. 5Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis (WGS30YR) | FRED | St. Louis Fedfred.stlouisfed.org
  6. 6Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis (GS30) | FRED | St. Louis Fedfred.stlouisfed.org
  7. 730Y Treasury Yield Forecast 2026 | Convexconvextrade.com
  8. 8How high will 30-year Treasury yield go before 2027?probsee.com
  9. 9Will the 30-year Treasury yield hit 5.40% before 2027? | Paritypredictparity.com
  10. 10How high will 30-year Treasury… before 2027 Odds | Polymarketpredictmarketcap.com
  11. 11How High Will 30-Year Treasury Yield Go Before 2027? Odds | Lines.comlines.com
  12. 12Will the 30Y U.S. Treasury yield be above 5.39% by Jan 1,… — 96% · Kalshi | SimpleFunctionssimplefunctions.dev
  13. 1330 Day Federal Funds Futures Quotes - CME Groupcmegroup.com
  14. 1430 Day Federal Funds Options Calendar - CME Groupcmegroup.com
  15. 15FedWatch API - CME Groupcmegroup.com
  16. 16Bond market outlook June 2026 - Fidelity Investmentsfidelity.com
  17. 17The Budget and Economic Outlook: 2026 to 2036cbo.gov
  18. 1830y Treasury yield outlook — what moves it & every scenario | MacroGurumacroguru.app
  19. 19FedWatch - CME Groupcmegroup.com
  20. 20Summary of Economic Projections, September 16, 2026newyorkfed.org
  21. 21Atlanta Fed GDPNowatlantafed.org
  22. 22GDPNow (GDPNOW) | FRED | St. Louis Fedfred.stlouisfed.org

2. Price Chart

Historical Price (Probability)

Outcome probability
Date

3. Significant Price Movements

Notable price changes detected in the chart, along with research into what caused each movement.

Outcome: 5.51% or above

📈 September 24, 2026: 44.0pp spike

Price increased from 42.0% to 86.0%

What happened: The primary driver for the 44.0 percentage point spike in the prediction market on September 24, 2026, was the actual 30-year US Treasury yield reaching approximately 5.44% on that date, its highest level since 2004 [1][2]. This significant rise in the underlying asset, propelled by a global bond selloff, strong US economic data, and rising inflation expectations, directly coincided with traditional news reporting from major financial outlets [1][2][3][4]. The market's move so close to the "5.51% or above" threshold dramatically increased the perceived probability of that outcome. Social media activity was irrelevant as a primary driver, as no specific posts or viral narratives were found to influence this market movement.

Outcome: 5.37% or above

📉 September 23, 2026: 73.0pp drop

Price decreased from 76.0% to 3.0%

What happened: The stated market movement, a 73.0 percentage point drop for the outcome "5.37% or above" on September 23, 2026, is inconsistent with the fact that the 30-year US Treasury yield closed at 5.401% on that same day, exceeding the 5.37% threshold [5]. If the outcome "5.37% or above" was achieved, its price in a prediction market should have risen towards 100%, not dropped. No social media activity was identified as a driver [N/A]. Therefore, no primary driver, whether from social media, traditional news, or market structure, can coherently explain this specific price drop for the stated outcome given the available data. Social media was irrelevant.

Outcome: 5.5% or above

📉 September 22, 2026: 17.0pp drop

Price decreased from 54.0% to 37.0%

What happened: On September 22, 2026, the 17.0 percentage point drop in the prediction market for the 30Y US Treasury yield reaching 5.5% or above was primarily driven by traditional news reports signaling easing inflation risks and a subsequent pullback in yields [6]. News cited falling oil prices and hopes for US-Iran diplomacy as factors easing inflation pressure, alongside caution from jobs data and Federal Reserve speeches [6]. While the actual 30-year yield decline was a modest 2 basis points that day, the narrative of reduced upside risk likely influenced the significant drop in market-implied probability [6]. No social media activity was identified as a driver for this specific price movement in the provided information.

Outcome: 5.38% or above

📈 September 20, 2026: 79.0pp spike

Price increased from 1.0% to 80.0%

What happened: The primary driver of the 79.0 percentage point spike was likely the 30-year US Treasury yield reaching the 5.38% threshold, directly fulfilling the prediction market's outcome condition. This event coincided with news that the Treasury offered to buy back $6 billion of long bonds, as the 30-year yield hit 5.38% [7]. This announcement, which highlighted underlying market pressures despite a significant Treasury intervention, would have served as a clear signal that the "5.38% or above" outcome was met. Social media was irrelevant, as no related activity was found in the provided information.

📉 September 19, 2026: 75.0pp drop

Price decreased from 76.0% to 1.0%

What happened: The primary driver of the 75.0 percentage point drop in the prediction market on September 19, 2026, was the preceding decline in the actual 30-year US Treasury yield. The yield decreased from 5.36% on September 15 to 5.29% on September 17, positioning it further below the 5.38% threshold [8][9][10]. This movement in traditional market data, published daily, led the significant reduction in the perceived probability of the yield reaching 5.38% or above by January 1, 2027. Social media activity was not a primary driver and appears irrelevant to this price movement.
Sources (10)
  1. 1US 30-year bond yield rises to highest since 2004 as selloff deepens | Reutersreuters.com
  2. 2U.S. 30-year Treasury yield climbs as bond selloff deepenstradersunion.com
  3. 3Stock Market Today: Dow, S&P 500 and Nasdaq set to fall as...marketwatch.com
  4. 4U.S. Treasury Yields Rise Above 5% Following Business Activity Data and Bond Auctionuk.advfn.com
  5. 530-Year Treasury Yield Rises to 5.401% — Data Talk | Morningstarmorningstar.com
  6. 6Treasury Yields Ease Ahead Of Jobs Data And Fed Talkscapwolf.com
  7. 7Treasury Offers to Buy Back $6 Billion of Long Bonds, Three Times Its August Plan, as the 30-Year Yield Hits 5.38% - Lumida Newslumidanews.com
  8. 8Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis (DGS30) | FRED | St. Louis Fedfred.stlouisfed.org
  9. 9Federal Reserve Board - H.15 - Selected Interest Rates (Daily)federalreserve.gov
  10. 10Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis (WGS30YR) | FRED | St. Louis Fedfred.stlouisfed.org

4. Market Data

Contract Snapshot

For this market, a 'Yes' resolution occurs if the 30-year US Treasury yield reaches or exceeds the specified percentage (e.g., 5.38%) at any point by the settlement date. A 'No' resolution occurs if the yield never reaches or exceeds that percentage during the contract period. The market is set to resolve on January 1, 2027.

Available Contracts

Market options and current pricing

Outcome bucket Yes (price) No (price) Last trade probability
5.38% or above $1.00 $0.02 99%
5.4% or above $1.00 $0.03 97%
5.35% or above $1.00 $0.02 93%
5.45% or above $1.00 $0.05 93%
5.5% or above $0.92 $1.00 90%
5.46% or above $1.00 $1.00 88%
5.36% or above $1.00 $0.02 86%
5.51% or above $0.87 $1.00 86%
5.42% or above $1.00 $1.00 70%
5.39% or above $1.00 $0.03 69%
5.53% or above $0.77 $1.00 68%
5.43% or above $1.00 $1.00 66%
5.54% or above $0.73 $1.00 63%
5.41% or above $1.00 $1.00 58%
5.47% or above $1.00 $1.00 53%
5.44% or above $1.00 $1.00 51%
5.52% or above $0.78 $1.00 46%
5.48% or above $1.00 $1.00 42%
5.49% or above $1.00 $1.00 39%
5.37% or above $1.00 $0.02 3%

Market Discussion

The 30Y US Treasury yield reached 5.444% on September 24, 2026, its highest since 2004 [1]. Prediction market pricing points to a most-likely peak around 5.40%-5.50% by January 1, 2027, while quantitative forecasts cluster near 5.40%-5.60% [2]. Upside risks, including persistent inflation and fiscal deficits, could drive the yield higher, with some scenarios targeting 5.75% or a 6%+ bearish tail, though downside risks like recession or a dovish Federal Reserve pivot might cap the selloff [3].

Sources (3)
  1. 1U.S. 30-year Treasury yield climbs as bond selloff deepenstradersunion.com
  2. 2How high will the 30Y US Treasury yield get by Jan 1, 2027? - Kalshikalshi.com
  3. 3US 30-year yield to 5.50% by October: the 20s30s case - The Industry Spreadtheindustryspread.com

5. Trust Index

Octagon Trust Index Kalshi 77 Good

“KX30YRDIRHM 27JAN01H T5.50” made a sharp jump with almost no trading behind it.

Integrity risk· Thin-volume moves

How it adds up
Integrity80% of score78Good

Market integrity is low (68), but Integrity averages all three scores, so the other two pull it up. Only a critically low score would cap the total.

Trade quality20% of score73Good
Trust score77Good

Weighted blend with hard caps — a critically weak safety pillar, or a severe trading anomaly, caps the total regardless of the rest. Full methodology · About the Trust Index

Trust profile
Integrity4 screens run · 6 don't apply

6. How might investor demand in the Q4 2026 Treasury auctions signal a shift in sentiment and affect the 30-year yield before January 2027?

30-year US Treasury Yield (Sept 17, 2026)5.29 percent [1]
Probability of 30-year yield > 5.29% by Jan 1, 2027Low [2]
Q4 2026 Coupon Auction SizesConsistent with prior quarters [3]
Investor demand for U.S. Treasuries remains stable and robust in Q4 2026. Coupon auction sizes are consistent with previous quarters, and ongoing buyback operations provide liquidity support [3]. Investor sentiment is primarily shaped by long-term macroeconomic considerations such as federal deficits, inflation, and overall supply-demand dynamics, rather than a general reluctance to purchase U.S. debt [4]. Robust demand has been demonstrated in recent auctions, including a 10-year note in early September 2026 [5].
The 30-year yield is not expected to significantly rise before January 2027. As of September 17, 2026, the 30-year U.S. Treasury constant maturity yield stood at 5.29 percent [1]. Prediction markets indicate a low probability that this yield will exceed 5.29% by January 1, 2027 [2]. This expectation aligns with Treasury officials' active efforts to suppress long-term interest rates [6]. Current investor sentiment anticipates yields remaining below 5.29% before January 2027, though the research does not explicitly detail how shifts in demand signals would affect the 30-year yield beyond this prevailing expectation [2].
Sources (6)
  1. 1Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis (DGS30) | FRED | St. Louis Fedfred.stlouisfed.org
  2. 2How high will the 30Y US Treasury yield get by Jan 1, 2027? - Kalshi noteringen | CoinRithmcoinrithm.com
  3. 3Nov-26 69 58 70 44 42 16 25 19 28 Dec-26 69 58 70 44 39 13 22 24 28 Jan-27 69 58 70 44 39 13 22 21 30home.treasury.gov
  4. 4The 30-Year Treasury Yield Hit Levels Not Seen Since 2007. What...chase.com
  5. 5Tracking the Bond Market and U.S. Fiscal Healthbipartisanpolicy.org
  6. 6Inflation Falls When Stocks Do | Andy Constan on the Fed Hike, AI Capex and Why He Likes Bonds Againyoutube.com

7. What are the core assumptions about inflation and GDP growth in institutional models forecasting a 30-year yield above 5.4% by early 2027?

30-year Yield Condition (early 2027)Requires inflation persistence or renewed energy/tariff pressure, and real GDP near potential (not collapsing) [1][2]
EY 2026 Headline PCENear 4.0%, ending around 3.7% (core PCE ~3.0%) [3]
EY US Real GDP Growth1.8% in 2026, 1.9% in 2027 [3]
A scenario projecting a 30-year yield above 5.4% by early 2027 rests on several key assumptions. These include persistent inflation or renewed pressure from energy and tariffs, alongside real GDP growth that remains near its potential rather than collapsing [1][2]. This outlook also assumes the Federal Reserve will implement only slow easing or maintain a restrictive monetary stance. Furthermore, a significant repricing of fiscal issuance and term premiums is expected to push long-term yields higher, even if short-term rates eventually decline [1][2]. This outcome is generally viewed as a risk case, not the central macroeconomic consensus [4][5][6].
Higher-yield scenarios assume inflation remains materially above target. EY projects headline PCE near 4.0% for 2026, ending around 3.7%, with core PCE around 3.0% [3]. Similarly, Stifel reports CPI at 3.5% and PCE at 4.1% for 2026 [7]. Inflation uncertainty, particularly stemming from energy prices and tariffs, is a significant factor contributing to higher yields [1][2][8]. This contrasts with the broader consensus, where the CBO anticipates PCE inflation falling from 2.7% in 2026 to 2% by 2030 [4], and the IMF expects U.S. core inflation to return to 2% during 2027 [5]. FOMC participants in September 2026 also projected lower PCE inflation at 2.3% for 2026 and 2.1% for 2027 [9].
GDP growth assumptions are resilient but do not indicate a boom. EY forecasts U.S. real GDP growth at 1.8% in 2026 and 1.9% in 2027 [3]. Other analyses suggest growth around 2%, with strong business investment and AI spending potentially offsetting weaker consumption [10][8]. These projections are somewhat below the September 2026 FOMC participant projections of 2.3% for 2026 and 2.2% for 2027 [9]. The primary driver for a 30-year yield above 5.4% is not stronger trend growth, but rather a long-end term-premium shock driven by heavy Treasury supply, widening fiscal deficits, inflation uncertainty, and elevated real yields [1][2].
Sources (10)
  1. 1What's Really Driving Yields Higher - Aptus Capital Advisorsaptuscapitaladvisors.com
  2. 2How Inflation and Fiscal Policy Are Driving US Treasury Markets | Goldman Sachsgoldmansachs.com
  3. 3Global Economic Outlook: risk and opportunity in a supply shock worldey.com
  4. 4The Budget and Economic Outlook: 2026 to 2036cbo.gov
  5. 5[PDF] World Economic Outlook Update, January 2026: Global Economyimf.org
  6. 6US GDP Growth Is Projected to Outperform Economist Forecasts in 2026 | Goldman Sachsgoldmansachs.com
  7. 7[PDF] INVESTMENT STRATEGY BRIEF - Stifelstifel.com
  8. 8Global Fixed Income Views 3Q 2026 | J.P. Morgan Asset Managementam.jpmorgan.com
  9. 9Summary of Economic Projections, September 16, 2026newyorkfed.org
  10. 10US Midyear Outlook: Geopolitical Shocks, the New Fed Era, and Growth | Goldman Sachsgoldmansachs.com

8. How do the upside risks from persistent inflation compare against the downside risks from a potential economic slowdown in shaping the 30-year yield outlook for late 2026?

30-year U.S. Treasury yieldAround 5.39% (September 2026) [1][2][3]
August 2026 Headline CPI3.4% year over year [4]
Q3 2026 Real GDP Growth5.0796% annualized (September 17) [5]
Upside inflation risks currently outweigh potential economic slowdown impacts on yields. As of September 2026, the 30-year U.S. Treasury yield stands at approximately 5.39%, primarily driven by persistent inflation, high energy prices, ongoing geopolitical concerns, and strong economic data [1][2][3]. The overall assessment indicates that upside inflation risk is currently more influential than the risk of an economic slowdown in shaping the 30-year yield outlook. This is attributed to still-elevated inflation, high real and nominal yields, robust growth nowcasts, and modest recession probabilities [6][7][8][9].
Persistent inflation metrics indicate significant upside risk for long-term yields. Upside risks stem from the potential for inflation to remain above the Federal Reserve's 2% target, which would necessitate maintaining higher interest rates [2][10]. In August 2026, headline Consumer Price Index (CPI) was 3.4% year over year, core CPI was 2.4%, and the monthly CPI accelerated to 0.4% on a seasonally adjusted basis; energy inflation registered 16.3%, indicating meaningful upside-inflation risk into late 2026 [4][11]. Furthermore, the Q2 2026 Personal Consumption Expenditures (PCE) price index rose 5.3% annualized, with core PCE at 3.6%; July PCE inflation was 3.7% year over year, confirming that inflation remained well above target even amidst some deceleration in growth [9][12]. The Federal Open Market Committee (FOMC) projections from September 16, 2026, also showed inflation materially above the longer-run 2% target, implying limited scope for easing if inflation persists [13].
Limited evidence of an imminent slowdown supports elevated yield expectations. Downside risks to yields primarily concern the possibility of energy market disruptions or other economic stressors triggering a significant slowdown in economic activity, which would typically lead to lower yields [2][10]. However, near-term evidence of a slowdown is limited. The Atlanta Fed's GDPNow model estimated Q3 2026 real GDP growth at a robust 5.0796% annualized on September 17 [8][5]. Additionally, the Cleveland Fed's yield-curve model reported an August one-year recession probability of 12.3%, which argues against a dominant imminent-recession scenario [14]. A reasonable base case for the late-2026 30-year yield is to remain near or above 5%. A rise toward 5.5% would likely require renewed inflationary pressures, fiscal or supply-side issues, or a repricing of the term premium, while a sharp economic slowdown would pull yields lower through reduced expected policy rates and increased flight-to-quality demand [6][7][8][9].
Sources (14)
  1. 1Implications of rising bond yields - Vanguardcorporate.vanguard.com
  2. 2Bond market outlook June 2026 - Fidelity Investmentsfidelity.com
  3. 3Treasury yields are above 5%. Here's what it means for stocks - CNBCcnbc.com
  4. 4Consumer Price Index News Release - 2026 M08 Resultsbls.gov
  5. 5Atlanta Fed GDPNowatlantafed.org
  6. 6Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis (DGS30) | FRED | St. Louis Fedfred.stlouisfed.org
  7. 730-year Breakeven Inflation Rate (T30YIEM) | FRED | St. Louis Fedfred.stlouisfed.org
  8. 8GDPNow (GDPNOW) | FRED | St. Louis Fedfred.stlouisfed.org
  9. 9GDP (Second Estimate) and Corporate Profits, 2nd Quarter 2026bea.gov
  10. 10Minutes of the Federal Open Market Committeefederalreserve.gov
  11. 11Latest Numbers: U.S. Bureau of Labor Statisticsbls.gov
  12. 12Personal Consumption Expenditures Price Indexbea.gov
  13. 13Summary of Economic Projections, September 16, 2026newyorkfed.org
  14. 14Yield Curve and Predicted GDP Growthclevelandfed.org

9. Which FRED data series provides the official daily 30-Year Treasury Constant Maturity Rate, and what has its trend been in Q4 2026?

FRED Series for 30-Year TreasuryDGS30 (Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis) [1][2][3]
DGS30 on September 17, 20265.29% [1]
Projected DGS30 for December 20265.40% [4]
The official daily 30-Year Treasury rate is found in FRED series DGS30. This series, titled "Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis," represents the nominal 30-year Treasury constant-maturity yield [1][2][3]. It is reported daily in percent, is not seasonally adjusted, and originates from the Federal Reserve Board’s H.15 Selected Interest Rates release [1][2][3]. DGS30 is distinct from the inflation-indexed real yield, DFII30 [1][5].
The 30-year Treasury yield was 5.29% in mid-September 2026. Specifically, the DGS30 series was observed at 5.29% on September 17, 2026, reflecting a high but slightly easing nominal 30-year yield of approximately 5.3% [1]. This followed an increase in the monthly average of the companion GS30 series, which rose from 4.95% in June 2026 to 5.10% in July 2026 [6][7]. While observed data available up to September 24, 2026, did not establish a complete trend for Q4 2026, a market-consensus forecast projects a gradual upward trend for the quarter [6][7][4]. This forecast anticipates the 30-year yield reaching 5.32% in October, 5.35% in November, and 5.40% in December, suggesting a potential Q4 peak around 5.40% [4].
Sources (7)
  1. 1Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis (DGS30) | FRED | St. Louis Fedfred.stlouisfed.org
  2. 2Market Yield on U.S. Treasury Securities at 30-Year Constant...fred.stlouisfed.org
  3. 3Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis (DGS30) | FRED | St. Louis Fedfred.stlouisfed.org
  4. 430 year treasury bond yield - forecast chart - Econforecastingeconforecasting.com
  5. 5Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis, Inflation-Indexed (DFII30) | FRED | St. Louis Fedfred.stlouisfed.org
  6. 6Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis (GS30) | FRED | St. Louis Fedfred.stlouisfed.org
  7. 7Table Data - Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis | FRED | St. Louis Fedfred.stlouisfed.org

10. What does positioning in the CME's Treasury futures and options markets reveal about institutional expectations for the 30-year yield through the end of 2026?

Leveraged Funds Short Position (30-year Treasury futures)211,735 contracts or 203,157 contracts as of September 15, 2026 [1][2]
Institutional StanceBearish-duration as of September 15, 2026 [1][2][3][4]
30-year Treasury Yield (Constant Maturity)5.29% on September 17, 2026 [5]
Institutional positioning indicates a bearish view on long-term Treasury yields. As of September 15, 2026, leveraged funds in CME's Treasury futures and options markets demonstrated a bearish-duration stance, consistent with expectations for higher long-term yields or an elevated risk that the 30-year yield remains high or retests higher levels into late 2026 [1][2][3][4]. Specifically, these funds were materially net short 30-year Treasury futures, reporting either 211,735 or 203,157 contracts in the September 15, 2026 Commitments of Traders (COT) report [1][2]. However, the available evidence does not support a conclusion that institutions collectively expect the 30-year Treasury par yield to exceed 5.29% by January 1, 2027 [3][4]. The 30-year constant-maturity Treasury yield was observed at 5.29% on September 17, 2026 [5].
Commitments of Traders data require careful interpretation for yield forecasts. While CFTC COT data show significant leveraged-fund short positions, these may not solely reflect outright bearish conviction on yields [6]. Leveraged-fund short positions can encompass Treasury cash-futures basis trades and other relative-value hedges [6]. CFTC research suggests that aggregate short futures positioning may overstate outright bearish conviction, as these positions can be paired with cash Treasury positions [3]. Federal Reserve research further cautions that Treasury futures positioning reflects hedging, duration management, and basis trades, rather than solely directional yield forecasts [7][8][9][10].
No precise 30-year yield forecast is defensible from current data. The retrieved evidence does not provide a defensible point estimate for how high the 30-year yield will get by January 1, 2027, nor a reliable probability distribution for specific yield levels [5][11][7][8][9][10]. As of September 24, 2026, CME's 30-year yield-futures quote page did not provide usable settlement prices or open interest for 2026 contract months [12]. CME instruments primarily measure current hedging, positioning, and near-term risk pricing, not a direct probability distribution through December 2026 [13][14]. Therefore, any claim that positioning specifically expects a move above a stated threshold, such as 5.29%, would be speculative, especially considering factors like basis-trade contamination, option hedges, and the absence of a dated CME option-implied distribution [1][2][3][4].
Sources (14)
  1. 130Y Treasury Futures (CBOT) — Commitments of Traders Reportcotdata.net
  2. 230-Year Treasury COT & Institutional Positioning — Smart...macroagentdesk.com
  3. 3Observations on the Treasury Cash-Futures Basis Tradecftc.gov
  4. 4How high will the 30Y US Treasury yield get by Jan 1, 2027? - Kalshi noteringen | CoinRithmcoinrithm.com
  5. 5Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis (DGS30) | FRED | St. Louis Fedfred.stlouisfed.org
  6. 6Commitments of Traders | CFTCcftc.gov
  7. 7CFTC Commitments of Traders Long Report - Other (Combined)share.cmegroup.com
  8. 8White Paper on Data Availability andnewyorkfed.org
  9. 9Hedge Funds and the Treasury Cash-Futures Disconnectclevelandfed.org
  10. 10Reaching for Duration and Leverage in the Treasury Marketclevelandfed.org
  11. 11U.S. Treasury Bond Options Quotes - CME Groupcmegroup.com
  12. 1230-Year Yield Futures Quotes - CME Groupcmegroup.com
  13. 13U.S. Treasury Bond Futures Overview - CME Groupcmegroup.com
  14. 14U.S. Treasury Bond Futures Volume & Open Interest - CME Groupcmegroup.com

11. What Could Change the Odds

Key Catalysts

Market consensus suggests the 30-year US Treasury yield will end 2026 in the 5.40% to 5.60% range, with prediction markets assigning an over 80-90% probability that the yield will reach or exceed 5.40% before January 1, 2027 [1][2][3][4]. The yield hit 5.444% on September 24, 2026, its highest since 2004 [5]. JPMorgan targets 5.40% for the 30-year yield at end-2026 [5][6][7][8][9][10]. Primary upward drivers include a large US fiscal deficit necessitating heavy Treasury supply, persistent real interest rate growth, and anticipation of a more hawkish Federal Reserve [11][12][13]. The September 16, 2026 FOMC projections showed a median federal-funds-rate path of 4.1% for 2026, implying only gradual easing [14]. Headline PCE inflation of 3.7% year over year in July 2026 materially exceeded the Federal Reserve's 2% objective [15]. Markets now price ~3 rate hikes this cycle and a 71% probability of a quarter-point hike in October [2][4][5][6][7][8][9][10]. Brent crude above $100, driven by unresolved US-Iran tensions, reinforces a 'rates stay high' regime [4][5][6][7][8][9][10].
Scheduled events and economic data releases serve as near-term catalysts. Key dates include the September 30 BEA PCE release, October 2 employment report, October 14 CPI, and October 15 PPI [16][17][18]. Federal Open Market Committee (FOMC) meetings on October 27–28, 2026, and December 8–9, 2026, will be critical for future rate policy [19][20][21][16][17][18][5][6][7][8][9][10]. The November 4 Quarterly Refunding announcement and regular Treasury buyback operations are also notable [19][20][21][5][6][7][8][9][10]. Other releases include the November 6 employment report, November 18 FOMC minutes, November 25 Beige Book, November 10, 2026 October CPI, December 10, 2026 November CPI, and the December 23 PCE/trimmed-mean PCE release [16][17][18][5][6][7][8][9][10].

Key Dates & Catalysts

  • Strike Date: January 01, 2027
  • Expiration: January 03, 2027
  • Closes: January 01, 2027
Sources (21)
  1. 130Y Treasury Yield Forecast 2026 | Convexconvextrade.com
  2. 230 Year U.S. Treasury Bond Rate Forecastforecasts.org
  3. 330 year treasury bond yield - forecast chart - Econforecastingeconforecasting.com
  4. 4Will the 30Y U.S. Treasury yield be above 5.39% by Jan 1,… — 96% · Kalshi | SimpleFunctionssimplefunctions.dev
  5. 5seekingalpha.comOctagon Agent
  6. 6www.youtube.comOctagon Agentyoutube.com
  7. 7seekingalpha.comOctagon Agent
  8. 8invezz.comOctagon Agent
  9. 9www.cnbc.comOctagon Agentcnbc.com
  10. 10www.reuters.comOctagon Agentreuters.com
  11. 11Fiscal Deficits Are Exploding, and That’s a Problem | ZeroCelsius Wealth Studiozerocelsiuswealthstudio.com
  12. 125-Year Treasury Auction Yields 5.033%, 2nd Biggest Tail Ever · TFTCtftc.io
  13. 13Understanding the "Black Wednesday" of US Treasuries: "Perfect Storm" Strikes, "October Rate Hike" Winds Rise | HTX Insightshtx.com
  14. 14Summary of Economic Projections, September 16, 2026newyorkfed.org
  15. 15Personal Consumption Expenditures Price Index | U.S. Bureau of Economic Analysis (BEA)bea.gov
  16. 16Schedule of Selected Releases for October 2026blsmon1.bls.gov
  17. 17Schedule of Selected Releases for October 2026bls.gov
  18. 18Schedule of Selected Releases for September 2026blsmon1.bls.gov
  19. 19Tentative Schedule of Treasury Buyback Operationshome.treasury.gov
  20. 20U.S. Department of the Treasury (via Public) / Treasury Announces Increased Sizes of Nominal Long-End Liquidity Support Buybacks Beginning September 9pubt.io
  21. 21Nov-26 69 58 70 44 42 16 25 19 28 Dec-26 69 58 70 44 39 13 22 24 28 Jan-27 69 58 70 44 39 13 22 21 30home.treasury.gov

13. Historical Resolutions

Historical Resolutions: 15 markets in this series

Outcomes: 15 resolved YES, 0 resolved NO

Recent resolutions:

  • KX30YRDIRHM-27JAN01H-T5.33: YES (Sep 21, 2026)
  • KX30YRDIRHM-27JAN01H-T5.32: YES (Sep 21, 2026)
  • KX30YRDIRHM-27JAN01H-T5.31: YES (Sep 21, 2026)
  • KX30YRDIRHM-27JAN01H-T5.30: YES (Sep 21, 2026)
  • KX30YRDIRHM-27JAN01H-T5.29: YES (Sep 21, 2026)