Consumer Price Index - CPI (CPIS)  Oct 23  Comment 
CANBERA (dpa-AFX) - The NZ dollar weakened against the other major currencies in the Asian session on Thursday after data showed that consumer prices in New Zealand rose by less than expected in the third quarter of 2014. Data from the Statistics...  Oct 22  Comment 
Market wrap for October 22nd End of the Day: S&P 500 down 14.2 to 1,927.11; Dow Jones down 153.5 to 16,461.32; Nasdaq down 36.6 to 4,382.85 * The Consumer Price Index for All Urban Consumers (CPI-U) increased 0.1 percent in September on a...
Clusterstock  Oct 22  Comment 
Does your paycheck feel lighter this month?  Real average hourly earnings decreased 0.2% in September from August, the BLS reported today, due to flat wages and a 0.1% increase in CPI. Real average weekly earnings, on the other hand,...
MarketWatch  Oct 22  Comment 
Americans are paying less to drive to the grocery store, but they are spending more once they get there, new government figures show. The consumer price index climbed a seasonally adjusted 0.1% in September after falling by 0.2% in the prior...
The Australian  Oct 22  Comment 
HOUSEHOLDS have enjoyed a huge fall in the price of electricity following abolition of Labor’s controversial carbon tax.
Wall Street Journal  Oct 22  Comment 
Consumer prices rose slightly in September, the latest sign of modest U.S. inflation pressures amid concerns of a global slowdown.  Oct 22  Comment 
NEW YORK (TheStreet) -- U.S. stock futures pointed to a slightly loweraopen as third-quarter earnings season in the U.S. continuesaand consumer price data continues to show below-trend inflation amid rising housing market activity in the...  Oct 22  Comment 
BRUSSELS (dpa-AFX) - The Australian dollar recovered from its early lows against the other major currencies in the Asian session on Wednesday after data showed that consumer prices in Australia advanced in line with economists' expectations...


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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