The CPI and Forex: How CPI Data Affects Currency Prices 2021-04-30 10:00:00 Ben Lobel, Markets Writer In this article, we’ll explore CPI and forex trading, looking at what traders should know about the Consumer Price Index to make informed decisions. We’ll cover what CPI is as a concept, the CPI release dates, how to interpret CPI, and what to consider when trading forex against CPI data. What is CPI and why does it matter to forex traders? The Consumer Price Index, better known by the acronym CPI, is an important economic indicator released on a regular basis by major economies to give a timely glimpse into current growth and inflation levels.