pred-2026-04-07-170
US headline CPI for March 2026 will print below 3.5% year-over-year when released approximately April 10, 2026
- created
- 2026-04-07
- resolves
- 2026-04-21
- resolved
- 2026-04-21
- outcome
- 1
- brier
- 0.3364
- base rate
- 0.38
- meta-confidence
- medium
Evidence for (6)
- Energy price stabilization: Crude oil has traded in the $70-85/bbl range in early 2026 (versus $90+ in 2025), creating a significant year-over-year headwind for headline CPI, which is heavily weighted to gasoline and fuel prices
- Fed restrictive monetary policy transmission lag: Rate hikes through 2024-2025 are showing clear demand destruction in high-interest-sensitive sectors; mortgage applications, auto sales, and consumer credit growth have moderated, reducing pricing power
- Favorable base effects: March 2025 likely had elevated CPI readings due to spring energy demand and post-winter rebound effects, making the 2026 YoY comparison mathematically easier
- Core goods deflation persistence: Goods prices (excluding energy) continue to decline YoY, offsetting any remaining services inflation; headline is dragged lower when goods are in deflation
- Services inflation deceleration momentum: Shelter cost growth has begun to plateau in major metro areas as supply normalizes; hotel and airline prices show seasonal weakness in Q1
- Supply chain normalization: Shipping costs and logistics premiums have returned to pre-pandemic levels, eliminating the goods cost premiums that amplified headline readings in 2021-2023
Evidence against (5)
- Sticky shelter component: Housing costs remain elevated and represent ~40% of CPI services; even modest shelter inflation keeps headline elevated
- Labor market resilience: If labor market remains tight through March, wage growth could support service price growth and keep inflation stickier than expected
- Potential geopolitical oil shocks: Middle East tensions or supply disruptions could push crude above $85/bbl during the measurement period, quickly raising headline CPI
- Original predictor's 63% confidence suggests material probability mass for the >= 3.5% scenario based on information available at prediction time
- Headline CPI has proven more persistent than models predicted; it remains elevated vs pre-2020 baseline despite supply chain normalization
Reasoning chain
The original prediction anchors on >= 3.5%, but this threshold is not inevitable. Headline CPI’s sensitivity to energy creates asymmetric downside risk if oil prices stabilize. March 2025’s elevated CPI creates an easy YoY comparison. The Fed’s rate hikes are finally destroying nominal demand growth, which will show up in both goods and services components. Energy momentum is negative (stable prices create YoY deflation), supply chains are normalized, and base goods deflation persists. The 63% original confidence reflects genuine uncertainty; the < 3.5% scenario is plausible given energy price stabilization and demand destruction already evident in Q1 2026 economic data. Services inflation deceleration is underway. The original prediction is vulnerable because it anchors heavily on current high inflation readings persisting — but we are in a disinflationary regime now, not an inflationary one.
Falsification criteria
If the Bureau of Labor Statistics releases a headline CPI reading for March 2026 (released ~April 10, 2026) showing 3.5% or higher year-over-year change, this prediction is false
Brier breakdown
Post-mortem
Auto-resolved (confirmed, confidence=0.98). Evidence: The BLS released the March 2026 CPI report on April 10, 2026. Headline CPI (CPI-U) rose 3.3% year-over-year (not seasonally adjusted), which is below the 3.5% threshold specified in the prediction. Sources: https://www.bls.gov/news.release/archives/cpi_04102026.htm; https://www.cnbc.com/2026/04/10/cpi-inflation-report-march-2026.html; https://www.bls.gov/opub/ted/2026/consumer-prices-up-3-3-percent-over-the-year-0-9-percent-over-the-month-in-march-2026.htm. Reasoning: The prediction claimed headline CPI for March 2026 would print below 3.5% year-over-year. The BLS released the figure on April 10, 2026, showing exactly 3.3% year-over-year — clearly below the 3.5% falsification threshold. The falsification criteria required 3.5% or higher to falsify the prediction; since 3.3% < 3.5%, the prediction is confirmed. Multiple corroborating sources (BLS official release, CNBC, BLS Economics Daily) all report the same 3.3% figure.