Insights

Short, plain-language explainers on how grocery prices are measured, what moves them, and how to read the gap between official data and what consumers actually pay.

Why the Egg Price Gap Is the Widest We Measure

Eggs are the single most volatile product we track — here's why the government's monthly average and what you paid this week can diverge more sharply than for almost anything else in the cart.

How the Government Measures Grocery Prices — And Where CrowdCPI Fits In

The government's grocery price numbers come from a real, careful survey — just not one built to answer the question "what did I pay this week?" Here's how it actually works.

Shrinkflation: The Price Increase You Don't See on the Shelf

The sticker price didn't move. The package did. Here's how shrinkflation works, why it's so easy to miss, and how per-unit price tracking catches it.