{
  "id": "417372",
  "event_title": "Treasury Gilt 2031 Auction",
  "country": "GB",
  "indicator": "5 Year Note Yield",
  "category": "bnd",
  "source": "Department of Treasury",
  "source_url": "https://www.dmo.gov.uk",
  "event_date": "2026-03-17T10:00:00.000Z",
  "document_type": "pdf",
  "document_url": "https://www.dmo.gov.uk/media/5l0kkqqm/pr100326.pdf",
  "document_published_date": "2026-03-10",
  "auction_details": {
    "auction_date": "2026-03-17",
    "settlement_date": "2026-03-18",
    "security_title": "4⅛% Treasury Gilt 2031",
    "amount_nominal": "£4,000 million",
    "maturity_date": "2026-03-07T00:00:00.000Z",
    "isin": "GB00BVP99673",
    "sedol": "B-VP9-967",
    "coupon": "4.125%",
    "interest_payment_dates": [
      "2026-03-07",
      "2026-09-07"
    ]
  },
  "event_payload_data": {
    "actual": 4.228,
    "previous": 4.001,
    "forecast": null,
    "unit": "%",
    "currency": "GBP"
  },
  "extraction_summary": {
    "title_match": true,
    "domain_match": true,
    "body_length": 3657,
    "min_body_length_requirement": 2000,
    "meets_requirements": true,
    "indicator_present": true,
    "structure_preserved": true,
    "numbers_verify": true,
    "numbers_found": [
      "4.125% (coupon)",
      "£4,000 million (auction amount)",
      "£28,841.6 million (outstanding)",
      "9.00 am - 10.00 am (bidding window)",
      "0.123301630435 (accrued interest)"
    ]
  },
  "notes": "Pre-auction announcement document published March 10, 2026. Auction occurred March 17, 2026, 9:00am-10:00am London Time. The 5 Year Note Yield of 4.228% from event payload represents the auction result (highest accepted yield) not contained in this pre-auction notice. The auction was for a ~5-year conventional gilt (4⅛% Treasury Gilt 2031, maturing March 7, 2031 — approximately 5 years from March 2026).",
  "alternative_sources": [
    "DMO Prospectus (linked in document): https://www.dmo.gov.uk/publications/",
    "Information Memorandum: https://www.dmo.gov.uk/media/zj2p0lab/infmemadd100326.pdf",
    "Post-auction results notice (anticipated): dmo.gov.uk/publications/ (to be updated post-auction)"
  ],
  "completeness": "Document is the primary pre-auction announcement. Post-auction results (yield 4.228%, bid-to-cover ratio, full allocation detail) would be published separately by DMO shortly after auction closes at 10:00am London Time (09:00 UTC)."
}