JUL · ISSUE 29 · July 16, 2026

CONCEPT

What PPI is, and why it leads the inflation you'll pay

CPI makes the headlines. PPI comes first, at the factory. That's why the market watches it first.

MEASURES

PRODUCER

not the consumer

LEADS BY

WEEKS

ahead of CPI

WATCHED BY

THE FED

as an early signal

THE IDEA

PRE-CPI

→ PPI is inflation's dress rehearsal

The Producer Price Index measures what firms charge when they sell, not what you pay at the end. Because it sits earlier in the chain, it moves weeks before CPI.

THE RULE

SIMPLE RULE

3

price stages before it reaches your wallet

If the price rises at stage one, you feel it at the last. PPI lets you see it coming.

A price passes three stages before you: raw material, intermediate good and finished good. PPI measures all three.

RAW MATERIAL: — The basic input: oil, wheat, copper, before it's transformed.
INTERMEDIATE: — The half-made good: flour before it becomes bread.

KEY IDEA

TO GET IT

Inflation shows up at the factory first

“PPI doesn't predict the future: it simply looks further up the chain, where inflation starts earlier.”

Ronfy Analysis · Editorial

It's not magic: cost climbs the chain, and PPI measures the first link.

LINK: — Each step of the production chain, one after another.
PASS-THROUGH: — How a cost travels up the chain into the final price.

HOW IT WORKS

EXAMPLE

How a price climbs the chain

STARTMIDDLEEND

Illustrative curve. PPI captures the top of it; CPI, the bottom, weeks later.

Illustrative example: a cost that starts rising upstream takes time to reach the consumer.

INDEX: — A number that sums up a set of prices using a base of 100.
BASE 100: — An index's starting point: changes are measured against it.

WHY IT MATTERS

THREE KEYS

Three reasons PPI matters

WARNS EARLIER
Because it sits upstream, it moves weeks before CPI. It's an early warning for inflation.
THE FED WATCHES IT
The central bank uses it as one of the signals for whether to hike, hold or cut rates.
IT TRACKS MARGINS
Compared with CPI, it shows whether firms absorb costs or pass them on to your final price.

It's no second-tier data point: it shapes what the market expects from prices and the Fed.

EARLY WARNING: — A signal that flags something before it's obvious to everyone.
MARGIN: — The gap between what it costs to make something and what it sells for.

ANATOMY

THE THREE STAGES

The three stages PPI measures

FINISHED GOODReady to sell, closest to you45%

INTERMEDIATE GOODHalf-made, between factories30%

RAW MATERIALThe basic input, the first link25%

The number in the news is the finished good, but the other two stages warn earlier.

PPI doesn't watch a single price: it tracks the same product at three points in its making.

FINISHED GOOD: — The completed item, ready for sale to the consumer.
INPUT: — Everything that goes into making something: materials, energy, parts.

TO SEE IT

5 EXAMPLE ETFs

Five ETFs that move with inflation

TIP	~108	→ 0.0%	Inflation-linked bonds. Their value tracks closely what PPI and CPI measure.
SCHP	~50	→ 0.0%	Another basket of inflation-protected bonds, more diversified.
TLT	~90	→ 0.0%	Long bond. Suffers when inflation surprises to the upside.
XLE	~95	→ 0.0%	Energy. The raw material that often lights up PPI first.
GLD	~370	→ 0.0%	Gold. A classic hedge when the market fears more inflation.

Representative examples to illustrate the concept. Approximate values, not day-specific data.

ETF: — A listed basket that tracks an index or theme, traded like a stock.
PROTECTED BOND: — A bond whose value adjusts with inflation so it keeps its purchasing power.

WRAP

Get PPI now?

If it's clear why inflation shows up at the factory first, share it. Another concept tomorrow.

One clear concept a day, Monday to Friday. No noise, no jargon.

Daily briefing · Mon-Fri 16:00 ET

PPI: — Producer Price Index: inflation before it reaches the store.
CPI: — Consumer Price Index: the inflation you pay.

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