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AutosXchange Market Trends

AutosXchange Market Trends

Factual, automatically published notes on unusual price activity in the U.S. used and new car market: price-cut spikes, same-car price moves, supply shifts and dealer price actions, from daily VIN-level tracking since Nov 5, 2026. Every post states its numbers, sample sizes and timestamps.

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Methodology

How these numbers are calculated

  • Data: dealer-advertised asking prices of every listing on AutosXchange, observed at each dealer inventory scan and in a daily snapshot, VIN by VIN, since Nov 5, 2026. Not sold or transaction prices.
  • Same-store price change (movers): the median asking price of the same listings (present at the start of the period and now) at both dates. Because the cars are the same, mix changes do not move the number. Not seasonally adjusted.
  • Thresholds: a cohort (model year, make and model) is shown only with at least 30 listings from at least 5 dealers, no dealer above 40% of them. Sample sizes (n listings, d dealers) are shown with every figure.
  • Price cuts: a price change of at least $50 and at most 40% (larger jumps are treated as data errors). "Price-cut share" = listings with at least one cut in the window ÷ listings tracked in the window.
  • Fastest-selling: median days from first listing to removal from the dealer's website, for cars first listed after the dealer's first week on AutosXchange (cars already in stock when we started tracking have unknown start dates). "Removed from sale" is not a confirmed sale.
  • Dealer price actions: one dealer changing the asking price of 3 or more units of the same make and model on the same day.
  • Alert rules: 48-hour cut or raise share of at least 30% (first week) or a robust z-score of 4+ against the cohort's own daily baseline (median/MAD, 7+ days) with at least 10%; same-car 7-day median move of 3%+; removals or new listings 4+ robust z-scores above baseline; dealer price actions of 3+ units. At most one alert per cohort and location per 72 hours unless it grows by 50%.
  • License: free to use with attribution "Source: AutosXchange" (CC BY 4.0). Full methodology

Source: AutosXchange Intel Hub, autos-xchange.com/market, 2026-11-07. AutosXchange Intel Hub · Methodology