{
  "schemaVersion": 1,
  "releaseId": "UK-2026-09",
  "country": "UK",
  "currency": "GBP",
  "month": "2026-09",
  "publishedAt": "2026-09-04T17:34:11.194Z",
  "dataAsOf": "2026-09-04T09:42:13.142Z",
  "windowDays": 365,
  "basis": "last-observed-bid",
  "totalCount": 8261,
  "overallMedian": 42,
  "categories": [
    {
      "category": "tools-industrial",
      "label": "industrial tools lots",
      "median": 36,
      "p25": 17,
      "p75": 85,
      "count": 2407,
      "modePrice": 10,
      "modeShare": 0.0901537183215621
    },
    {
      "category": "office-furniture",
      "label": "office furniture lots",
      "median": 20,
      "p25": 10,
      "p75": 55,
      "count": 1839,
      "modePrice": 10,
      "modeShare": 0.3322457857531267
    },
    {
      "category": "military-surplus",
      "label": "military lots",
      "median": 55,
      "p25": 22,
      "p75": 130,
      "count": 1168,
      "modePrice": 5,
      "modeShare": 0.09417808219178082
    },
    {
      "category": "electronics",
      "label": "electronics lots",
      "median": 25,
      "p25": 12,
      "p75": 59,
      "count": 1018,
      "modePrice": 10,
      "modeShare": 0.13163064833005894
    },
    {
      "category": "vehicles",
      "label": "vehicles",
      "median": 1425,
      "p25": 200,
      "p75": 3500,
      "count": 932,
      "modePrice": 3000,
      "modeShare": 0.02145922746781116
    },
    {
      "category": "heavy-equipment",
      "label": "heavy equipment lots",
      "median": 1000,
      "p25": 75,
      "p75": 4200,
      "count": 412,
      "modePrice": 20,
      "modeShare": 0.03155339805825243
    },
    {
      "category": "sporting-goods",
      "label": "sporting goods lots",
      "median": 20,
      "p25": 10,
      "p75": 40,
      "count": 134,
      "modePrice": 6,
      "modeShare": 0.1791044776119403
    },
    {
      "category": "medical-scientific",
      "label": "medical and scientific lots",
      "median": 55,
      "p25": 22,
      "p75": 110,
      "count": 105,
      "modePrice": 50,
      "modeShare": 0.06666666666666667
    }
  ],
  "movementWithheld": true,
  "movementWithheldReason": "Levels only. Month-over-month and region-versus-region movement is withheld until the corpus has six or more complete months: with a shorter series, a change in a category median is dominated by a change in what was in the basket, and by flat-rate disposal lots whose price is an administrative convention. Each category's `modePrice`/`modeShare` shows how much of that contamination it carries.",
  "changelog": "First release. Levels only; no movement figures published.",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citeAs": "GovAuctions.app (2026). Surplus Price Index, release UK-2026-09. https://govauctions.app/research/surplus-price-index/uk-2026-09"
}