Unveiling the economic narrative of the United States from January 1947 to 2023, our comprehensive dataset delves into historical inflation rates. This report is dedicated to elevating data precision, unraveling patterns, and employing advanced modeling techniques for precise Consumer Price Index (CPI) forecasts. From meticulous data analysis and trend identification to seasonal checks and model parameter calibration, our approach encompasses diverse models such as ARIMA, CNN, and ARCH/GARCH. Witness the evolution of economic health and monetary policy, unlocking insights that empower accurate future CPI predictions.