Consumer Price Index - CPI (CPIS)  Aug 22  Comment 
CANBERA (dpa-AFX) - Canada's consumer price index for July and retail sales for June are due at 8:30 am ET Friday. Ahead of these reports, the loonie showed mixed trading against the other major currencies. While the loonie fell against the...
Clusterstock  Aug 21  Comment 
Janet Yellen will speak on Friday at the Jackson Hole economic symposium, where she is likely to give a thorough assessment of the state of the labor market, as she sees it. The overwhelming consensus is that she will acknowledge some...
Benzinga  Aug 20  Comment 
The upward movement in CPI continues to come at a pace below expectations, notching a roughly 0.10 percent increase for July Core CPI. Goldman Sachs (NYSE: GS) chief economist Jan Hatzius is blaming this on “out-sized drag in the air travel...
MarketWatch  Aug 19  Comment 
Today’s CPI and housing starts reports are all about supply and demand, writes Rex Nutting.
The Economic Times  Aug 19  Comment 
CPI edged up 0.1 per cent last month, in line with expectations, which could give the Federal Reserve reason to keep interest rates low for a while.
Benzinga  Aug 19  Comment 
The Labor Department released the Consumer Price Index (CPI) Tuesday morning, showing an increase of 0.1 percent, in-line with expectations. Increases in food and rent were offset by a drop in energy prices. This followed an increase of 0.3...
Cloud Computing  Aug 19  Comment 
GEORGETOWN, Ontario , Aug. 19, 2014 /PRNewswire/ -- Communications & Power Industries Canada Inc. (CPI Canada) has been awarded a $3.3 million contract from the Canadian Space Agency (CSA) to fund the design modifications and development of a...  Aug 19  Comment 
NEW YORK (TheStreet) -- Those expecting any shift in the Federal Reserve's monetary policy at this week's symposium in Jackson Hole, Wyo., are most likely setting themselves up for disappointment. U.S. stock futures on Tuesday were pointing to...


This article is about the Consumer Price Index. For the article on the company with ticker CPI or companies named CPI, see CPI (disambiguation).

The Consumer Price Index (CPI, or headline inflation) provides data on the month-over-month and year-over-year changes in the prices paid by urban consumers for a representative basket of goods and services. It is the main inflation report for the futures and financial markets. Unexpected rises in this indicator usually lead to falling bond prices, rising interest rates, and increased market volatility.

The U.S. Bureau of Labor Statistics (BLS) measures two kinds of CPI statistics: CPI for urban wage earners and clerical workers (CPI-W), and the chained CPI for all urban consumers (C-CPI-U). Of the two types of CPI, the C-CPI-U is a better representation of the general public, because it accounts for about 87% of the population. On top of that, the BLS also calculates Core CPI Index, which excludes goods with volatile prices like food and energy in order to measure core inflation. Consumer prices are important because consumer buying drives the economy. CPI examines the weighted average of prices of a basket of consumer goods and services, such as transportation, food and medical care. The CPI is calculated by taking price changes for each item in the predetermined basket of goods and averaging them; the goods are weighted according to their importance. Changes in CPI are used to assess price changes associated with the cost of living.

CPI is one of the most frequently used statistics for identifying periods of inflation or deflation. This is because large rises in CPI during a short period of time typically denote periods of inflation and large drops in CPI during a short period of time usually mark periods of deflation.

Also see the Produce Price Index.

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