The Consumer Price Index (CPI) measures the change in the price of goods and services from the perspective of the consumer. It is a key way to measure changes in purchasing trends and inflation.

A higher than expected reading should be taken as positive/bullish for the GBP, while a lower than expected reading should be taken as negative/bearish for the GBP.

CPI assesses changes in the cost of living by measuring changes consumer pay for a set of items. CPI serves as the headline figure for inflation. Simply put, inflation reflects a decline in the purchasing power of the dollar, where each dollar buys fewer goods and services. In terms of measuring inflation, CPI is the most obvious way to quantify changes in purchasing power. The report tracks changes in the price of a basket of goods and services that a typical American household might purchase. An increase in the Consumer Price Index indicates that it takes more dollars to purchase the same set basket of basic consumer items.

Inflation is generally bad news for the economy, causing instability, uncertainty and hardship. To address inflation, the Fed may raise interest rates. However, the Fed relies on the PCE Deflator as its primary gauge of inflation because the CPI does not account for the ability of consumer to substitute out of CPI's set. Price changes tend to cause consumers to switch from buying one good to a less expensive-other, a tendency that the fixed-basket CPI figure does not yet account for. Given that the PCE Deflator is a more comprehensive calculation, based on changes in consumption; it is the figure the Fed prefers.

The figure is released monthly, as either a month over month annualized percentage change, or percentage change for the full year. The figure is seasonally adjusted to account seasonal consumption patterns.Inflation is generally bad news for the economy, causing instability, uncertainty and hardship. To address inflation, the Fed may raise interest rates. However, the Fed relies on the PCE Deflator as its primary gauge of inflation because the CPI does not account for the ability of consumer to substitute out of CPI's set. Price changes tend to cause consumers to switch from buying one good to a less expensive-other, a tendency that the fixed-basket CPI figure does not yet account for. Given that the PCE Deflator is a more comprehensive calculation, based on changes in consumption; it is the figure the Fed prefers.

The figure is released monthly, as either a month over month annualized percentage change, or percentage change for the full year. The figure is seasonally adjusted to account seasonal consumption patterns.

In the United Kingdom, the Retail Prices Index or Retail Price Index (RPI) is a measure of inflation published monthly by the Office for National Statistics.

A monthly survey that measures change in input prices as incurred by UK manufacturers. Input prices include the cost of materials used plus operation costs of running the business. The index can be used as a measure of inflation, given that higher input costs will likely be passed on from producers to consumers in the form of higher retail prices.

The headline is the percentage change in the Producer Price Index (Input) from the previous quarter and previous year.

A monthly survey that measures the price changes of goods produced by UK manufacturers. The figure is also known as "Factory Gate Price" because it usually matches the price of goods when they first leave the factory. Increased prices in manufacturing typically lead to higher retail prices for consumers. However, it is also likely that higher output prices are caused by manufacturers charging a higher premium due to higher demand for their goods. Consequently, market trends in consumption should be considered with Output PPI to avoid data misinterpretation.

The Ifo Business Climate Index is a closely followed leading indicator for economic activity in Germany prepared by the Ifo Institute for Economic Research in Munich. It is based on ca. 7,000 monthly survey responses of firms in manufacturing, construction, wholesaling and retailing. The firms are asked to give their assessments of the current business situation and their expectations for the next six months. They can characterise their situation as "good", "satisfactorily" or "poor" and their business expectations for the next six months as "more favourable", "unchanged" or "more unfavourable". The replies are weighted according to the importance of the industry and aggregated. The balance value of the current business situation is the difference of the percentages of the responses "good" and "poor", the balance value of the expectations is the difference of the percentages of the responses "more favourable" and "more unfavourable". The business climate is a mean of the balances of the business situation and the expectations.

One of the country's key business sentiment surveys (Ifo - Information and Forschung Survey). The survey is conducted monthly, querying German firms on the current German business climate as well as their expectations for the next six months. As the largest economy in the Eurozone, Germany is responsible for approximately a quarter of the total Eurozone GDP.

Consequently, the German Ifo is a significant economic health indicator for the Eurozone as a whole. Positive readings bode well for the economy, suggesting increased consumer spending and economic growth. Conversely, low Ifo readings may be indicative of economic slowdown.

The index uses 100 as a centerline between positive and negative outlooks; the further the value is from 100 the stronger the sentiment. The survey presents two equally weighted sub-indices: Current Assessment and Business Expectations.

Ifo Current Assessment
Measures current German business conditions, without considering future expectations.

One of the country's key business sentiment surveys (Ifo - Information and Forschung Survey). The survey is conducted monthly, querying German firms on the current German business climate as well as their expectations for the next six months. As the largest economy in the Eurozone, Germany is responsible for approximately a quarter of the total Eurozone GDP. Consequently, the German Ifo is a significant economic health indicator for the Eurozone as a whole. Positive readings bode well for the economy, suggesting increased consumer spending and economic growth. Conversely, low Ifo readings may be indicative of economic slowdown.

The index uses 100 as a centerline between positive and negative outlooks; the further the value is from 100 the stronger the sentiment. The survey presents two equally weighted sub-indices: Current Assessment and Business Expectations.

Ifo Expectations
Based on firms' expectations for the next six months, where firms rate the future outlook as better, same, or worse.

A broad measure of the movement of single-family house prices. Apart from serving as an indicator of house price trends, the House Price Index (HPI) provides an analytical tool for estimating changes in the rates of mortgage defaults, prepayments and housing affordability. It is a weighted, repeat-sales index, which means that it measures average price changes in repeat sales or refinancings on the same properties.

CPI is the key gauge for inflation in the Eurozone. Inflation, simply put, is a decline in the purchasing power of the Euro, where each Euro buys fewer goods and services due to higher consumer prices. The index tracks changes in the price of a basket of goods and services that a typical household might purchase. When the CPI is high, it indicates that significant inflationary pressures exist in Eurozone economies. This puts pressure on the European Central Bank to raise interest rates. When CPI comes out lower than expected, the ECB is expected to lower interest rates, or keep them lower, to encourage economic growth. As a rule, the Bank adjusts rates in order to keep Europe consumer price inflation in the 0 to 2 percent range.