{
  "name": "Customs Unit-Value Movers: U.S. Manufacturing",
  "slug": "us-manufacturing-import-price-movers",
  "version": "3.0.0",
  "url": "https://www.mfgcalcs.com/signals/import-prices",
  "formula": "Customs unit value = customs value from quantity-reporting cells / their reported first-unit quantity, per family per year, from USITC DataWeb. The separate customsValueUsd field is total annual family customs value and is not labeled as the unit-value numerator. Year-over-year change = common latest-year unit value / exact prior-calendar-year unit value - 1, percent. A move counts as rising or falling beyond +/-2%; smaller moves read as flat. Families are ranked by the biggest absolute move on the same reporting pair.",
  "unit": "Declared customs value in USD per reported unit (kg or No.); change in percent.",
  "source": "U.S. International Trade Commission (USITC) DataWeb per-family customs value and quantity.",
  "provenance": "Derived entirely from USITC DataWeb, a work of the U.S. government in the public domain. Redistributable.",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "attribution": "MFG Calcs (mfgcalcs.com), compiled from USITC DataWeb open data",
  "caveats": [
    "Customs unit value is an aggregate across every HTS line and origin in the family; it is not a transaction price or quote and blends product, grade, origin, valuation, and quantity mix.",
    "Suppressed quantity cells are excluded from both the unit-value numerator and denominator. The effective-rate context separately reports its covered-value percentage.",
    "Only families whose lines all report one quantity unit and have the exact common adjacent-year pair are included. The latest pair must cover at least 80% of the best-covered pair; mixed units, missing years, and sparse newer periods are excluded.",
    "A unit-value move is descriptive and does not measure tariff pass-through or establish why the aggregate changed."
  ],
  "asOf": "2025"
}