Inflation

March CPI Jumps to 3.3%. The Real Signal Is the Gap Between Headline and Core.

March CPI rose 0.9% in March and 3.3% year over year, while core CPI rose 0.2% and 2.6%. With gasoline driving much of the monthly increase, the clearest signal is the gap between headline and core inflation.

Laurie Shrout

13 Apr 2026 — 5 min read

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TL;DR:
March CPI rose 0.9% month over month and 3.3% year over year, up from 2.4% in February. Core CPI rose 0.2% in March and 2.6% over the year, while gasoline accounted for nearly three quarters of the monthly all-items increase. The clearest takeaway is not a broad inflation verdict, but that headline inflation moved much faster than core.

What you need to know

The change: Headline CPI rose from 0.3 percent month over month and 2.4 percent year over year in February to 0.9 percent month over month and 3.3 percent year over year in March.
Who is affected: Policy, risk, and disclosure leaders who rely on current inflation readings as part of near-term decision-making may need to account for the stronger March headline print. This is an editorial implication from the official data, not a separate reported fact.
Why it matters: The official data show a clear split between the headline move and the core reading, which suggests the category mix warrants close attention.
What to do first: A reasonable first step is to refresh any near-term inflation framing so it reflects both the March headline reading and the lower core reading. This is an operational implication from the reported split.
Key date or trigger: The next CPI release, for April 2026, is scheduled for May 12, 2026 at 8:30 a.m. Eastern Time.

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