When CPI data is released, market movements can sometimes become more noticeable. Gold, the US dollar and stock markets may all react to the latest inflation data. 

But what exactly is CPI, and why does this economic indicator receive so much attention? 

What Is CPI? 

CPI stands for Consumer Price Index. Simply put, it measures changes in the prices of goods and services commonly purchased by consumers. 

Because CPI reflects changes in consumer prices, it is also an important indicator for observing inflation. When consumer prices rise, it can indicate that inflationary pressures are increasing. 

Why Can CPI Affect the Market? 

CPI is closely connected to inflation expectations and interest rate expectations. 

A simple way to understand the relationship is: 

CPI → Inflation → Interest Rate Expectations → Market 

When CPI comes in higher or lower than expected, expectations about future interest rates may change. These changing expectations can then influence different financial markets. 

What Should You Look At When CPI Is Released? 

One of the key things to compare is the Actual figure with the Forecast. 

Actual refers to the CPI data that has just been released, while Forecast represents the market’s expectation before the announcement. 

The difference between the actual data and expectations can be an important factor in how the market interprets the release. 

Understanding CPI does not mean simply looking at whether the number is high or low. It is also important to consider how the actual result compares with expectations and what that may mean for inflation and interest rate expectations.