Short Answer

Both the model and the market expect CPI core year-over-year to be exactly 2.9% in June 2026, with no compelling evidence of mispricing.

1. Market Behavior & Drivers

This market has exhibited a stable, sideways trend, trading within a very narrow 1-point range between 6.0% and 7.0%. The most significant price action was a single step-up from 6.0% to 7.0% around March 14. This move is not attributable to a specific news event in the provided context, as it occurred before the March 18 FOMC projections were released. The price shift coincided with a major volume spike, where 47 of the 51 total contracts were traded. Since this burst of activity, volume has been virtually non-existent, suggesting the market found an initial price level and has seen little conviction or new information to move it since.
Due to the limited trading history and low volume, support and resistance levels are tentative. The price found an initial floor at 6.0% and is now seeing resistance at the 7.0% mark, where it has remained flat. This stable and low price suggests market participants assign a very low probability to the "YES" outcome. Assuming the market resolves "YES" if core CPI is at or below 2.2%, the 7.0% price implies a 93% consensus that the inflation rate will remain above that threshold in June 2026. This sentiment is consistent with the provided economic context, where the most recent core CPI reading was 2.5% and FOMC projections place the figure at 2.7% for late 2026, both well above the 2.2% level. The market price reflects a strong belief that a significant drop in core inflation is unlikely.
  • Professional forecasts project core CPI near 2.9% for Q2 2026.
  • Polymarket indicates high probability of core CPI remaining below 3%.
  • ISM Manufacturing Prices Paid Index surged to 70.5 in February 2026.
  • Supercore inflation is expected to remain 3.3-3.5% through late 2025.
  • Tariffs, fiscal expansion, and strong labor pose upside inflation risks.

Current Context

Official June 2026 core CPI data is not yet available. As of March 23, 2026, the United States core CPI year-over-year figure for June 2026 has not been released. The Bureau of Labor Statistics (BLS) is scheduled to release this data on July 14, 2026 [1]. For context, the recent core CPI year-over-year rate was 2.5% in February 2026 [2]. Typically, CPI figures are released during the second week of each month, with the March data, for example, expected on April 10 [1].
Forecasts for 2026 core CPI range from 2.7% to 2.9%. The Federal Open Market Committee (FOMC) median projection for core Personal Consumption Expenditures (PCE) is 2.7% for 2026 Q4 [3]. Additionally, economist surveys suggest an annualized quarter-over-quarter core CPI around 2.9% for Q2 2026 [4]. Recent trends have shown stability for core CPI near 2.5% [5]. A prediction market exists for the June 2026 core CPI year-over-year figure, though specific odds are currently unavailable [6].
Inflation remains above target, with a gradual decline anticipated by experts. Current developments indicate that inflation is stable above the Federal Reserve's 2% target [7]. Expert opinions generally expect a gradual decline in the inflation rate [7]. Key upcoming events include the FOMC meeting scheduled for June 17-18 [3].
Sources (7)
  1. 1Econoday Economic Report: CPIus.econoday.com
  2. 2Consumer Price Index Summary - 2026 M02 Resultsbls.gov
  3. 3The Fed - March 18, 2026: FOMC Projections materials, accessible versionfederalreserve.gov
  4. 4Mean Forecasts for Core CPI Inflation Rate (Quarterly) - Un…ycharts.com
  5. 5United States Core Inflation Ratetradingeconomics.com
  6. 6CPI core year-over-year in June? Odds & Predictions 2026kalshi.com
  7. 7Calculated Risk: Question #5 for 2026: What will the YoY core inflation rate be in December 2026?calculatedriskblog.com

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: Exactly 2.6%

📈 March 17, 2026: 14.0pp spike

Price increased from 3.0% to 17.0%

What happened:

Based on the provided web research, there is no evidence to support the occurrence of a 14.0 percentage point spike on March 17, 2026, for the "Exactly 2.6%" outcome in the "CPI core year-over-year in Jun 2026?" prediction market [Web research]. The provided information explicitly states that no evidence of this spike, the 2.6% figure, or any social media catalyst for June CPI was found within the available sources [Web research]. The most recent relevant data, core CPI year-over-year for February 2026, was reported at 2.5% [1].

Given the absence of evidence for the market movement itself, no primary driver can be identified from the provided data. Social media's role in this unsubstantiated event is therefore irrelevant.

📉 March 10, 2026: 11.0pp drop

Price decreased from 14.0% to 3.0%

What happened: The reported 11.0 percentage point price drop on March 10, 2026, for the "Exactly 2.6%" outcome in the "CPI core year-over-year in Jun 2026?" prediction market could not be corroborated by available research [Web research]. Official U.S. Core CPI data for June 2026 is not scheduled for release until July 14, 2026 [2], making any definitive market reaction to that specific outcome on March 10, 2026, unfounded. While the February 2026 Core CPI was reported as 2.5% on March 11, 2026 [3], [4], this did not involve a drop to 2.6% for the June forecast. Given the absence of evidence for the described market movement, identifying a primary driver, including social media activity, is not possible. Therefore, social media activity was irrelevant to this uncorroborated event.

Outcome: Exactly 2.3%

📈 March 16, 2026: 19.0pp spike

Price increased from 6.0% to 25.0%

What happened: The primary driver for the 19.0 percentage point spike for "Exactly 2.3%" in the June 2026 core CPI prediction market on March 16, 2026, cannot be definitively identified from the provided sources. While the February 2026 core CPI year-over-year was reported at 2.5% on March 11, 2026 [3], no specific news or social media activity on March 16 advocating for a precise 2.3% by June is available. General inflation market sentiment around March 2026 indicated an upside risk due to geopolitical factors, shifting expectations towards 3.0-3.5% [5], which contradicts a move towards 2.3%. Based on the available data, social media was irrelevant, as no pertinent activity was found.
Sources (5)
  1. 1Consumer Price Index Summary - 2026 M02 Resultsbls.gov
  2. 2Schedule of Releases for the Consumer Price Indexbls.gov
  3. 3Consumer Price Index Summary - 2026 M02 Resultsbls.gov
  4. 4CPI inflation report February 2026: CPI rose 2.4% annually in February, as expectedcnbc.com
  5. 5April 2026 CPI Markets Reflect Geopolitical-Driven Inflation Upside, Shifting Range to 3.0-3.5% | Octagon AIoctagonai.co

4. Market Data

Contract Snapshot

The market resolves to 'Yes' if the CPI core year-over-year for June 2026 is exactly 2.8%, as verified by the Bureau of Labor Statistics. If the CPI core year-over-year is not exactly 2.8%, the market resolves to 'No', as this is a mutually exclusive event. Trading opened on December 15, 2025, and the market will close either upon the outcome's occurrence or by July 14, 2026, with payouts projected 30 minutes after closing.

Market Discussion

Economist consensus projects June 2026 core CPI year-over-year around 2.9% for Q2 2026 [1], though actual data will not be available until mid-July 2026. This follows a recent February 2026 reading of 2.5% <a href="https://www.bls.gov/news.release/cpi.nr0.htm" target="_blank" rel="nofollow noopener noreferrer" class="citation-link" title="Consumer Price Index Summary

  • 2026 M02 Results" aria-label="Source 2: Consumer Price Index Summary
  • 2026 M02 Results" data-citation-label="Consumer Price Index Summary
  • 2026 M02 Results">[2], with related prediction markets implying expectations for earlier months in the 2.4-2.6% range [3]. Trader discussions frequently anticipate continued cooling towards the Fed's 2% target, driven by rate cut expectations, but also note potential upward pressure from tariffs [4].
Sources (4)
  1. 1Mean Forecasts for Core CPI Inflation Rate (Quarterly) - Un…ycharts.com
  2. 2Consumer Price Index Summary - 2026 M02 Resultsbls.gov
  3. 3CPI core year-over-year in June? Odds & Predictions 2026kalshi.com
  4. 4Week Recap: January Core CPI inflation rose 2.5% YoY. It's lowest since April 2021. Will we see more rate cuts soon? Feb. 9, 2026 – Feb. 13, 2026: r/StockMarketreddit.com

5. What is the Projected CPI Shelter Rate for Mid-2026?

Projected CPI Shelter YoY Rate (June 2026)2.5-3.0% (Based on Q2 2025 and early 2026 market data) [1]
Apartments.com YoY Rent Growth (Q2 2025)0.9% [2]
CPI Shelter Component YoY (January 2026)3.38% (Web Research Results, based on 4, 9) [1]
The implied year-over-year (YoY) rate for the CPI shelter component in June 2026 is projected to be around 2.5-3.0%. This forecast stems from a well-established historical lag of 12 to 18 months between real-time rental market data and official CPI shelter figures [3]. Therefore, rent growth observed in Q2 2025 and early 2026 is expected to significantly influence the CPI shelter component in mid-2026.
Current real-time rental market data indicates a period of notably lower year-over-year growth. For Q2 2025, national multifamily rents demonstrated a 0.9% YoY increase, as reported by Apartments.com [2]. Looking into early 2026, the Zillow Observed Rent Index (ZORI) was anticipated to show a modest YoY increase of approximately 1.9-2% [Web Research Results, based on 5, 8], while the Apartment List National Rent Index recorded a YoY decline of -1.5% in February 2026 [4]. Zillow’s broader outlook for 2026 suggests flat multifamily rents, ranging from -0.2% to +0.3% by year-end [5].
This persistent trend of low or even negative real-time rent growth is expected to continue depressing the CPI shelter component as the lag effect unfolds. The CPI shelter component had already decelerated to 3.38% YoY in January 2026 from higher levels in 2025 [Web Research Results, based on 4, 9]. This continued deceleration strongly suggests that the CPI shelter component will move into the 2-3% range by mid-2026.
Sources (5)
  1. 1US Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted (Zillow)beautifydata.com
  2. 2Apartments.com Rent Report for June 2025: Summer Rent Increases Hit a Plateauapartments.com
  3. 3Housing CPI Versus Reality - Zelmanzelmanassociates.com
  4. 4Apartment List National Rent Reportapartmentlist.com
  5. 5Zillow’s 2026 Housing Market Predictions - Zillow Researchedge.prnewswire.com

6. What Do Supercore Inflation and Wage Growth Imply for Fed Policy?

Supercore Inflation (PCE)3.3-3.5% through end of 2025 [1]
ECI Wage Growth3.4% year-over-year for Q4 2025 [2]
Median Federal Funds Rate~3.6% by end of 2025 [3]
Supercore inflation and wage growth are projected to remain elevated through 2025. Supercore inflation, defined as core services excluding housing on a Personal Consumption Expenditures (PCE) basis, is anticipated to stay between 3.3-3.5% year-over-year through the end of 2025 [1]. This sustained inflation is primarily driven by ongoing services pressures, particularly from labor costs and tariffs [4]. Supporting this trend, later data reinforced this, with core PCE inflation reaching 3.1% in March 2026 [5]. In comparison, Employment Cost Index (ECI) wage growth is forecast at 3.4% year-over-year for the fourth quarter of 2025 [2].
A persistent inflation-wage gap signals continued restrictive monetary policy. The projected data indicates a persistent positive gap of 0-0.5 percentage points between supercore inflation and ECI wage growth through the end of 2025, signifying that underlying inflationary pressures remain significant. Consequently, the Federal Reserve is expected to maintain a restrictive monetary policy stance well into 2026 [6]. This aligns with the Federal Open Market Committee (FOMC) projections from December 2025, which showed PCE inflation at 2.9% for 2025 and a median federal funds rate around 3.6% by the close of 2025 [3]. This scenario suggests no rapid disinflation, potentially risking the Fed's credibility on inflation if these pressures do not ease [6].
Sources (6)
  1. 1December 2025 Core-Cast Post-PCE: Within 1bp Of Our Model. Core PCE On Pace To Show 3.1% In Januaryemployamerica.org
  2. 2U.S. EMPLOYMENT COST INDEX, Q4 2025 COMMENTARY | The ILR Schoolilr.cornell.edu
  3. 3The Fed - December 10, 2025: FOMC Projections materials, accessible versionfederalreserve.gov
  4. 4US Outlook 2026: Balancing Accelerating Growth and Sticky Inflation | Nomura Connectsnomuraconnects.com
  5. 5Core PCE Inflation Hits 3.1%, Worst in 2 Years, in Unique Twist Blows way past CPI Inflation. Driven by Core Services | Wolf Streetwolfstreet.com
  6. 6FOMC's Credibility on Inflation Could Be at Stakeatlantafed.org

7. How Will the OBBBA Fiscal Impulse Impact 2026 GDP?

Primary Fiscal StimulusOne Big Beautiful Bill Act (OBBBA) [1]
Estimated GDP Boost from OBBBA0.2-0.4 percentage points (Principal), 0.4 percentage points (Goldman Sachs) [8, Web Research Results] [2]
Major Bank 2026 GDP ForecastsGoldman Sachs 2.5-2.8%; J.P. Morgan 3% H1, then 1-2% [2]
Major investment banks forecast a positive fiscal impulse for 2026. This impulse stems from the "One Big Beautiful Bill Act" (OBBBA), which resolves the 2025 Tax Cuts and Jobs Act (TCJA) expirations by extending tax cuts, offering consumer refunds, and providing business incentives such as full expensing [1]. J.P. Morgan anticipates approximately $160 billion in refunds, while Goldman Sachs projects around $100 billion. The fiscal stimulus is expected to be front-loaded, with Principal Asset Management estimating a 0.2 to 0.4 percentage point boost to GDP, a figure echoed by Goldman Sachs forecasting a 0.4 percentage point GDP increase from this measure [3].
The fiscal impulse will significantly boost aggregate demand and GDP growth. This stimulus is expected to drive above-consensus GDP growth projections, primarily by boosting consumer spending and business investment early in the year before its effects gradually diminish [4]. Goldman Sachs projects U.S. GDP growth in the range of 2.5-2.8% for 2026 [2]. J.P. Morgan's models forecast a stronger 3% GDP growth in the first half of the year, subsequently moderating to 1-2% [5]. Within these models, resilient consumer spending is identified as a critical factor in offsetting K-shaped economic pressures, thereby contributing to a "pro-growth" expansion [5].
Sources (5)
  1. 1Unpacking the OBBBA’s impact on the U.S. economy, fiscal health and more | J.P. Morgan Asset Managementam.jpmorgan.com
  2. 2Goldman Sachs' 2026 U.S. Growth Outlook: Strategic Sectors to Capitalize on Tax Cuts, Tariff Easing, and AI-Driven Productivityainvest.com
  3. 3Dissecting the OBBBA: A front-loaded fiscal boost | Principal Asset Managementprincipalam.com
  4. 4US GDP Growth Is Projected to Outperform Economist Forecasts in 2026 | Goldman Sachsclick.gs.com
  5. 5BPAS - The 2026 Resilience: JP Morgan Forecasts a "Pro-Growth" Expansion for the US Economymarkets.financialcontent.com

8. Will Core Goods Experience a New Higher-Inflation Regime by Mid-2025?

ISM Manufacturing Prices Paid Index70.5 (February 2026) [1], [2], [3]
Global Supply Chain Pressure Index (GSCPI)0.49 (February 2026) [4], [5]
Industrial Commodity FuturesOil $95-100/bbl, Copper $5.4-5.8/lb [3], [6], [7]
Industrial indices signal a new era of higher core goods inflation. Forward-looking indicators suggest a shift away from pre-2020 goods deflation towards a new, higher-inflation regime for core goods by mid-2025. The ISM Manufacturing Prices Paid Index reached 70.5 in February 2026, reflecting significant inflationary pressures, particularly from tariffs impacting metals and energy [1], [2], [3]. Simultaneously, the Global Supply Chain Pressure Index (GSCPI) increased to 0.49 in February 2026, pointing to tightening supply chains and ongoing cost pressures on goods movement [4], [5]. These combined trends indicate an environment of sustained higher inflation for core goods.
Commodity prices and forecasts reinforce persistent inflationary pressures. Industrial commodity futures show elevated prices, with oil trading around $95-100 per barrel and copper between $5.4-5.8 per pound, partly attributed to ongoing geopolitical conflicts in the Middle East [3], [6], [7]. These higher raw material costs are expected to be a primary driver of core goods inflation. Economic forecasts and prediction markets anticipate core CPI year-over-year figures to remain above 2.5% into mid-2026, with tariff passthrough expected to accelerate core goods inflation [8]. Consequently, current trends in these indices and commodity markets indicate that by mid-2025, core goods will operate under a new, higher-inflation regime, driven by tariffs, geopolitical instability, and increased input expenses.
Sources (8)
  1. 1Business Insurance - Magazine - Inflation Alarm: ISM Manufacturing Prices Index Surges to 70.5 as Tariffs Bite into Second Month of Growthindex.businessinsurance.com
  2. 2US ISM Manufacturing Prices Paid Index (Monthly) - United S…ycharts.com
  3. 3ISM manufacturing data shows rising input costs amid Iran conflictmanufacturing-today.com
  4. 4Global Supply Chain Pressure Indextradingeconomics.com
  5. 5Global Supply Chain Pressure Index Rises in Februarylongbridge.com
  6. 6Metals Futures Prices - Investing.cominvesting.com
  7. 7Commodity Price Watch: March 2026 | Seeking Alphaseekingalpha.com
  8. 8US CPI: Tariff passthrough building beneath the surface in Feb - RBC Economicsrbc.com

9. What is the Estimated Core CPI Inflation for June 2026?

US 1-year CPI Inflation Swap (proxy)Approximately 3.3% as of March 20, 2026 [1]
Historical Core vs. Headline CPI BasisCore CPI typically 0.2-0.5% higher [2]
Estimated Core CPI YoYApproximately 2.8-3.3% for June 2026 [1]
Market sentiment suggests a headline CPI for June 2026 near 3.3%. While a direct 1-year forward inflation swap for mid-2025 targeting June 2026 YoY Core CPI was not explicitly found, market sentiment provides a proxy for headline inflation. As of March 20, 2026, the US 1-year CPI inflation swap stands at approximately 3.3%, reflecting market expectations for average headline CPI inflation over the next 12 months [1]. Longer-term swaps indicate lower expectations, around 2.35% for periods beyond five years [3], and prediction markets imply an overall 2026 CPI mean near 3.4% [4].
Core CPI historically runs higher than headline CPI. To estimate core CPI, this headline inflation proxy requires adjustment based on the historical spread between headline and core CPI. Historically, core CPI year-over-year tends to be 0.2 to 0.5 percentage points higher than headline CPI year-over-year [2]. This persistent difference is often linked to the slower-moving shelter component within core CPI, which helps offset the volatility of excluded food and energy prices [2]. Recent data further illustrates this relationship, showing core CPI at 2.5% versus headline CPI at 2.4% [5].
The implied core CPI for June 2026 is estimated between 2.8% and 3.3%. Applying this historical basis spread to the 1-year CPI inflation swap proxy of 3.3%, the estimated core CPI year-over-year for June 2026 falls within the range of 2.8% to 3.3%. This calculation considers that core CPI usually runs higher than headline figures, suggesting that if headline CPI is priced around 3.3%, core CPI would likely be expected somewhat above or slightly below that range depending on the specific application of the historical spread.
Sources (5)
  1. 1Inflation Swaps Pricing Higher CPI - ADMISIadmisi.com
  2. 2Bond Economics: Primer: Core Versus Headline CPIbondeconomics.com
  3. 3Inflation expectations flash a warning - but not a long-lasting one | Reutersreut.rs
  4. 4Market Expectations of Inflation | Econbrowsereconbrowser.com
  5. 5United States Core Inflation Ratetradingeconomics.com

10. What Could Change the Odds

Key Catalysts

Potential upside risks to inflation in the coming months include the implementation of new tariffs, which could increase import costs [1]. Furthermore, sustained fiscal expansion and a robust labor market, characterized by sticky services inflation (excluding housing) and continued wage growth, could exert upward pressure on prices <a href="https://www.bls.gov/news.release/cpi.nr0.htm" target="_blank" rel="nofollow noopener noreferrer" class="citation-link" title="Consumer Price Index Summary

Key Dates & Catalysts

  • Expiration: October 13, 2026
  • Closes: July 14, 2026
Sources (7)
  1. 1United States Core Inflation Ratetradingeconomics.com
  2. 2Consumer Price Index Summary - 2026 M02 Resultsbls.gov
  3. 3Mean Forecasts for Core CPI Inflation Rate (Quarterly) - Un…ycharts.com
  4. 4CPI core year-over-year in June? Odds & Predictions 2026kalshi.com
  5. 52026 US CPI Release Schedule: The Complete Calendar for Investors | by MK Roh | Mediummedium.com
  6. 6Deep dive: How to monitor US inflation in 2026 - RBC Economicsrbc.com
  7. 72026 Economic Release Calendar - Consumer Price Index | FRED | St. Louis Fedfred.stlouisfed.org

12. Related News

+17.0pp
Last updated: March 23, 2026, 12:26 UTC

June 2026 Core Inflation Market Shifts Focus to 2.8% y/y

The prediction market for the year-over-year (y/y) core Consumer Price Index (CPI) in June 2026 underwent a significant repricing on March 23. Probabilities sharply concentrated in the 2.7% to 2.9% y/...

13. Historical Resolutions

Historical Resolutions: 20 markets in this series

Outcomes: 1 resolved YES, 19 resolved NO

Recent resolutions:

  • KXECONSTATCORECPIYOY-26FEB-T3.7: NO (Mar 11, 2026)
  • KXECONSTATCORECPIYOY-26FEB-T3.6: NO (Mar 11, 2026)
  • KXECONSTATCORECPIYOY-26FEB-T3.5: NO (Mar 11, 2026)
  • KXECONSTATCORECPIYOY-26FEB-T3.4: NO (Mar 11, 2026)
  • KXECONSTATCORECPIYOY-26FEB-T3.3: NO (Mar 11, 2026)