The Dallas Fed's trimmed mean inflation measure decreased to 2.3% year-over-year in April, down from 2.4% in March, according to CoinMarketCap. This metric, emphasized by Fed Chair Kevin Warsh, is seen as evidence of improving inflation. However, economists warn it may underestimate true inflationary pressures due to its exclusion of significant price changes. Critics, including Dallas Fed economist Tyler Atkinson, argue that the model's exclusion of the top 31% of price increases and bottom 24% of declines could skew results. Items like gasoline and airline tickets, which saw sharp price rises, were excluded in April. Meanwhile, core PCE inflation, a key benchmark, rose 3.3% year-over-year, indicating faster inflation than the trimmed mean suggests.