Personal Consumption Expenditures (PCE) Index

The Personal Consumption Expenditures price index, or PCE, measures US inflation across everything households consume, and it is the Federal Reserve's preferred gauge: the Fed's 2 percent inflation target, formalized in January 2012, is defined against PCE rather than CPI. The index is produced monthly by the Bureau of Economic Analysis.

Why it matters

PCE differs from the better-known CPI in scope and method. It covers spending made on households' behalf, such as employer-paid health care, and updates its basket weights continuously as consumers substitute between goods, so it tends to run about 0.3 to 0.4 percentage points below CPI over time. Since the Fed steers trillions in policy against PCE, the gap matters: inflation can feel higher to households, whose experience tracks CPI rents and groceries, than the targeted index reports. Core PCE, which strips out food and energy, is the reading markets watch most closely for policy signals.

In the gold vs bitcoin debate

Hard-money advocates raise two points from PCE. First, the choice of target is itself discretionary: measuring inflation with the lower-running index makes the target easier to meet. Second, even at a perfectly achieved 2 percent, the unit of account halves in purchasing power roughly every 35 years by design. Gold and bitcoin holders both frame their assets as the opt-out from that engineered erosion, with bitcoin adding that its supply metric requires no methodology decisions at all.