{
  "template": "corridor-anomaly-watch-explainer",
  "templateName": "Trade anomaly guide",
  "source": "api",
  "title": "What is a trade anomaly? Definitions and calculations | Yugalinks",
  "description": "A plain-language guide to trade anomalies, z-scores, severity, market share, momentum, supplier concentration, and the calculations behind trade anomaly pages.",
  "canonical": "https://www.yugalinks.com/trade/signal/anomaly",
  "robots": "index, follow",
  "sections": [
    "definition",
    "identifiers",
    "logic",
    "calculation",
    "values",
    "limits",
    "example",
    "faq",
    "data-source"
  ],
  "sampleUrl": "https://www.yugalinks.com/trade/signal/anomaly/gbr-bra-853110",
  "methodology": {
    "summary": "Explains the reported and calculated fields exposed by anomaly-watch trade data. The upstream anomaly threshold is supplied by the published data source.",
    "url": "https://www.yugalinks.com/methodology"
  },
  "generatedAt": "2026-09-03T05:07:41.791Z",
  "attribution": {
    "publisher": "OECD",
    "dataset": "Balanced international merchandise trade statistics (BIMTS) - HS2017-6D",
    "year": 2025,
    "citation": "OECD (2025), Balanced international merchandise trade statistics (BIMTS) - HS2017-6D, OECD Data Explorer (accessed on 2026-09-03)",
    "sourceUrl": "https://data-explorer.oecd.org/",
    "dataflowUrl": "https://sdmx.oecd.org/sti-public/rest/dataflow/OECD.SDD.TPS/DSD_BIMTS_6D@DF_BIMTS_HS2017_6D/1.0",
    "termsUrl": "https://www.oecd.org/termsandconditions/",
    "terms": "OECD Terms & Conditions",
    "accessed": "2026-09-03",
    "supportingSources": [
      {
        "publisher": "CEPII",
        "dataset": "BACI bilateral trade flows",
        "release": "202601",
        "citation": "Gaulier, G. and Zignago, S. (2010), BACI: International Trade Database at the Product-Level. The 1994-2007 Version, CEPII Working Paper No. 2010-23.",
        "sourceUrl": "https://www.cepii.fr/DATA_DOWNLOAD/baci/doc/baci_webpage.html",
        "datasetUrl": "https://www.cepii.fr/CEPII/en/bdd_modele/bdd_modele_item.asp?id=37",
        "licenseUrl": "https://www.etalab.gouv.fr/wp-content/uploads/2018/11/open-licence.pdf",
        "license": "Etalab 2.0 Open Licence",
        "accessed": "2026-09-03"
      }
    ]
  }
}