An interesting take considering that Trump campaigned on lowering groceries, gas, etc, and blamed Biden for inflation.
They've sourced all of their data, feel free to refute it at your leisure.
You can also look at overall stock market performance as well, but be forewarned, you won't like that data either.
This interactive chart shows the running percentage gain in the Dow Jones Industrial Average by Presidential term. Each series begins with the closing value of the month of inauguration and runs to the closing value of the last month of the term. The y-axis shows the total percentage increase...
www.macrotrends.net