{
  "format": "cec-announced-changes/v1",
  "as_of_date": "2026-10-26",
  "scope": "Explicit single-contract DCE trading-margin clauses only; not comprehensive coverage.",
  "changes": [
    {
      "exchange": "DCE",
      "product": "LH",
      "contract": "LH2701",
      "field": "margin_spec",
      "unit": "decimal_ratio",
      "previous": 0.08,
      "announced": 0.1,
      "published_date": "2026-10-23",
      "effective_date": "2026-10-27",
      "effective_boundary": "settlement",
      "status": "announced-not-yet-effective",
      "latest_parameter_date": "2026-10-23",
      "latest_parameter_value": 0.08,
      "notice_url": "/notices/dce-19717b712609ff8e0bdf/",
      "official_url": "http://www.dce.com.cn/dce/content/2026/ywggytz/19624259.html",
      "qualification": "The higher prescribed margin applies if other margin adjustments also apply."
    }
  ]
}