Consumer Price Index - CPI (CPIS)  51 min ago  Comment 
CPI PROPERTY GROUP - Total Voting Rights Announcement DGAP-News: CPI PROPERTY GROUP / Key word(s): Miscellaneous CPI PROPERTY GROUP - Total Voting Rights Announcement 30.09.2014 /...  7 hrs ago  Comment 
ROME (dpa-AFX) - Italy's inflation remained negative for the second straight month in September, provisional estimates from the statistical office Istat showed Tuesday. At the same time, the producer price index showed negative change over...
Bloomberg  7 hrs ago  Comment 
Europe Stocks Rise Amid ECB Stimulus Bets After CPI Data European stocks rose, posting the longest quarterly winning streak since 2006, as investors speculated that the...  8 hrs ago  Comment 
BRUSSELS (dpa-AFX) - At 5 am ET Tuesday, Eurostat is due to release its flash inflation and unemployment reports. The HICP is expected to rise 0.3 percent year-over-year in September, slower than the 0.4 percent increase in August. The core HICP...
The Economic Times  11 hrs ago  Comment 
Raghuram Rajan said that it needs to be seen how food inflation will evolve over time as headline inflation is buffeted by food inflation.
SeekingAlpha  Sep 29  Comment 
By Paul Howard: CPI Aerostructures, Inc. (NYSEMKT:CVU) is a micro-cap company founded in July 1992 and based in Edgewood, New York. CPI Aero manufactures structural assemblies for fixed wing aircraft, helicopters and airborne Intelligence...  Sep 29  Comment 
CPI PROPERTY GROUP: Major Shareholding Notification DGAP-News: CPI PROPERTY GROUP / Key word(s): Miscellaneous CPI PROPERTY GROUP: Major Shareholding Notification 29.09.2014 /...  Sep 29  Comment 
MADRID (dpa-AFX) - Spain's consumer prices remained in negative zone for the third straight month in September, flash data from the statistical office INE showed Monday. The consumer price index declined 0.2 percent year-over-year in...  Sep 26  Comment 
BRUSSELS (dpa-AFX) - The Japanese yen retreated against the other major currencies in Friday's Asian session, as traders took some profits off the table, after a strong rally in the previous session. In the economic news, data from the...


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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