The financial market has reacted positively to the information related to American inflation. Inflation is a quantity that indicates the variation in the price of goods or services over time. For example, if a bottle of milk costs $1 but increases to $1.10 after one year, the annual rate of inflation for milk is 10%.

The BLS uses this index to calculate total inflation in the United States economy. This index is updated periodically as spending trends and consumption habits change over time. Some factors can cause inflation to increase.

If the demand for a product exceeds its supply, producers may increase prices, such as the recent mania for dollar Labubu and high reproduction prices. Other factors include income levels, such that they may increase demand and therefore prices. Additionally, if the supply of a product is reduced but the demand remains constant, it can cause prices to rise.

A good example of this is crude oil, used to make gasoline and diesel. Before the US assault on Iran, it was around $70 per barrel, but when the war between the US and Iran limited oil resources, prices rapidly rose and are currently above $100. In the week leading up to midterm elections, pressure on prices in America was met through inflation.

American inflation exceeded the last few weeks, with a 0.4% change in October. This change is lower than the previous month (0.6%). However, analysts had predicted a change of 0.3%, and today's higher change could contribute to arguments for a Fed announcement of tax cuts at their December meeting.

New figures have been released one week after midterm elections, which were held against the pressure of daily life in America. Inflation is an important indicator to understand how real costs of goods or services change in real time. For the United States economy, inflation is a problem that government entities like the Federal Reserve must manage.

The Federal Reserve aims to keep annual inflation at 2%. When inflation is too high, the Fed tends to increase taxes to encourage people and businesses to spend less and save more, hoping that this slows price pressures. Additionally, no information has been obtained on the annual inflation rate for October, but calculations based on available data until September show an annual inflation rate of 3.7%.

The BLS normally provides data on annual changes in inflation, but it has not reached this measure for October 2025. Moreover, while there are no published annual inflation figures for October, analysts think that the importance of higher-than-expected inflation may increase the probability of a Fed announcement at their December meeting.