“The purse of the people is the real seat of sensibility.”
— James Madison
Track $1,000 invested in each major index on Inauguration Day.
Toggle presidents to compare equivalent timeframes.
Weekly average price per gallon of regular gasoline since Inauguration Day.
EIA tracks 9 states weekly; current prices for all 50 states from AAA.
As of May 18, 2026 • Source: AAA • Gas at $4.515/gal nationally — pump prices are now $1.40 higher than a year ago and at the highest level since the 2022 peak of $5.01. Up 39.8% since inauguration. National average rose 25¢ in two straight weeks (AAA Newsroom, May 2026). California $6.15, Texas $4.01. Brent crude $111/bbl May 19 (TradingEconomics) — up 16% over the past month and 70% YoY. Today's Trump-era level now exceeds the Biden full-term average of $3.48/gal and is closing on the all-time peak. UAE confirmed its OPEC/OPEC+ exit during the first week of May.
Monthly average prices for common grocery items since Inauguration Day.
Data from the Bureau of Labor Statistics Average Price survey.
Jan 2025 → Mar 2026 • CPI Food at Home: +1.9% YoY (BLS Mar 2026 release) • Overall food: +2.7% YoY
Tracking prescription drug prices, overall medical costs, and major drug pricing policy changes since Inauguration Day.
CPI Prescription Drugs: -0.5% • Medical Care overall: +3.2% • All Items CPI: +2.4%
Stock market data from Yahoo Finance historical closing prices. Indices tracked: S&P 500 (^GSPC), Dow Jones Industrial Average (^DJI), NASDAQ Composite (^IXIC). All values normalized to $1,000 invested on each president's first trading day in office. Trump: Jan 21, 2025 – Mar 5, 2026 | Obama: Jan 20, 2009 – Mar 3, 2010 | Biden: Jan 20, 2021 – Mar 2, 2022.
Gas price data: Weekly state & national averages from the U.S. Energy Information Administration. Current state prices from AAA Gas Prices.
Grocery price data from the Bureau of Labor Statistics Average Price survey (APU series). CPI Food at Home index (CUSR0000SAF11). Monthly data, Jan 2025 – Jan 2026. October 2025 data unavailable due to the 2025 lapse in appropriations.
Drug price CPI from the BLS CPI Prescription Drugs (CUUR0000SEMF01) and Medical Care (CUUR0000SAM) indices. Medicare negotiated prices from CMS. MFN pricing from TrumpRx.gov and White House fact sheet (Feb 2026).