{
  "as_of": "2026-10-19",
  "note": "hubs and data use last public anchor per index (skip densified platform_estimate holds)",
  "data": [
    {
      "date": "2026-10-15",
      "index": "SR-VAN-FOB-G",
      "mid": 835,
      "low": 830,
      "high": 840,
      "currency": "USD",
      "unit": "MT",
      "data_type": "industry_estimate",
      "source": "ChemPriceHub — international sulfur market roundup",
      "source_url": "https://www.chempricehub.com/news/detail-key-highlights-of-the-international-sulfur-market-on-october-15-2026-c9z7tbbj.html",
      "note": "Open October 16 roundup reported Vancouver spot FOB transactions at $830–840/t for the October 15 market, down $50/t on the week.",
      "interpolated": false
    },
    {
      "date": "2026-07-01",
      "index": "SR-GULF-FOB-G",
      "mid": 1125,
      "low": 1100,
      "high": 1150,
      "currency": "USD",
      "unit": "MT",
      "data_type": "industry_estimate",
      "source": "Argus Media open news — Tampa 3Q liquid sulphur $705/lt",
      "source_url": "https://www.argusmedia.com/en/news-and-insights/latest-market-news/2851577-tampa-3q-liquid-sulphur-price-hits-record-705-lt",
      "note": "US Gulf refinery spot granular exports $1,100–1,150/t FOB on 9 Jul 2026. Retagged from verified_public: open trade-press/PRA reprint, not a government primary.",
      "interpolated": false
    },
    {
      "date": "2026-10-08",
      "index": "SR-ME-FOB",
      "mid": 835,
      "low": 820,
      "high": 890,
      "currency": "USD",
      "unit": "MT",
      "data_type": "industry_estimate",
      "source": "Shanghai Metals Market — October Middle East producer contracts",
      "source_url": "https://news.metal.com/newscontent/104145450-smm-flash-middle-east-october-sulfur-contract-prices-announced",
      "note": "October 2026 producer contracts: QatarEnergy $835/t FOB, KPC $820/t FOB and ADNOC $890/t FOB Ruwais. Qatar is the displayed series mid; low/high span the three published producer markers.",
      "interpolated": false
    },
    {
      "date": "2026-07-01",
      "index": "SR-TAMPA-Q",
      "mid": 705,
      "low": 676.8,
      "high": 733.2,
      "currency": "USD",
      "unit": "LT",
      "data_type": "industry_estimate",
      "source": "Argus Media open news — Tampa 3Q liquid sulphur $705/lt",
      "source_url": "https://www.argusmedia.com/en/news-and-insights/latest-market-news/2851577-tampa-3q-liquid-sulphur-price-hits-record-705-lt",
      "note": "Q3 2026 Tampa molten contract record $705/LT DEL (+$50 from Q2 $655). Retagged from verified_public: open trade-press/PRA reprint, not a government primary.",
      "interpolated": false
    },
    {
      "date": "2026-09-08",
      "index": "SR-CFR-CHINA",
      "mid": 1070,
      "low": 1070,
      "high": 1100,
      "currency": "USD",
      "unit": "MT",
      "data_type": "industry_estimate",
      "source": "SunSirs",
      "source_url": "https://www.sunsirs.com/uk/detail_news-35936.html",
      "note": "Theoretical CFR southern China landed cost peaked above $1,070/t from Kuwait August FOB $865 plus Hormuz freight and insurance surcharges per SunSirs September 8 analysis.",
      "interpolated": false
    },
    {
      "date": "2026-07-01",
      "index": "SR-BASIS-VG",
      "mid": -80,
      "low": -85,
      "high": -75,
      "currency": "USD",
      "unit": "MT",
      "data_type": "derived",
      "source": "Sulfur Wire derived",
      "note": "Vancouver FOB mid minus US Gulf FOB mid",
      "interpolated": false
    },
    {
      "date": "2025-12-01",
      "index": "SR-US-DOM-AVG",
      "mid": 180,
      "low": 172,
      "high": 188,
      "currency": "USD",
      "unit": "MT",
      "data_type": "verified_public",
      "source": "USGS Mineral Commodity Summaries 2026 — Sulfur",
      "source_url": "https://pubs.usgs.gov/periodicals/mcs2026/mcs2026-sulfur.pdf",
      "note": "US average unit value FOB mine/plant 2025e = $180/MT (vs $46.42 in 2024). Relabeled from Gulf export series: domestic FOB mine/plant average, not seaborne export spot.",
      "interpolated": false
    },
    {
      "date": "2026-10-19",
      "index": "SR-CN-BENCH-100PPI",
      "mid": 6652.33,
      "currency": "CNY",
      "unit": "MT",
      "data_type": "verified_public",
      "source": "Shengyishe / 生意社 (100ppi)",
      "source_url": "https://www.100ppi.com/news/detail-20261019-6362267.html",
      "note": "National sulfur 基准价 on 2026-10-19 morning wire.",
      "interpolated": false
    },
    {
      "date": "2026-10-19",
      "index": "SR-CN-SPOT-10JQKA",
      "mid": 6076.75,
      "currency": "CNY",
      "unit": "MT",
      "data_type": "verified_public",
      "source": "Tonghuashun iFind (10jqka relay)",
      "source_url": "https://goodsfu.10jqka.com.cn/20261019/c680840716.shtml",
      "note": "Sulfur spot 6,076.75 yuan/t, down 575.58 yuan/t day on day per table.",
      "interpolated": false
    }
  ],
  "densified_latest": [
    {
      "date": "2026-07-01",
      "index": "SR-BASIS-VG",
      "mid": -80,
      "low": -85,
      "high": -75,
      "currency": "USD",
      "unit": "MT",
      "data_type": "derived",
      "source": "Sulfur Wire derived",
      "note": "Vancouver FOB mid minus US Gulf FOB mid",
      "interpolated": false
    },
    {
      "date": "2026-09-08",
      "index": "SR-CFR-CHINA",
      "mid": 1070,
      "low": 1070,
      "high": 1100,
      "currency": "USD",
      "unit": "MT",
      "data_type": "industry_estimate",
      "source": "SunSirs",
      "source_url": "https://www.sunsirs.com/uk/detail_news-35936.html",
      "note": "Theoretical CFR southern China landed cost peaked above $1,070/t from Kuwait August FOB $865 plus Hormuz freight and insurance surcharges per SunSirs September 8 analysis.",
      "interpolated": false
    },
    {
      "date": "2026-07-01",
      "index": "SR-GULF-FOB-G",
      "mid": 1125,
      "low": 1100,
      "high": 1150,
      "currency": "USD",
      "unit": "MT",
      "data_type": "industry_estimate",
      "source": "Argus Media open news — Tampa 3Q liquid sulphur $705/lt",
      "source_url": "https://www.argusmedia.com/en/news-and-insights/latest-market-news/2851577-tampa-3q-liquid-sulphur-price-hits-record-705-lt",
      "note": "US Gulf refinery spot granular exports $1,100–1,150/t FOB on 9 Jul 2026. Retagged from verified_public: open trade-press/PRA reprint, not a government primary.",
      "interpolated": false
    },
    {
      "date": "2026-10-08",
      "index": "SR-ME-FOB",
      "mid": 835,
      "low": 820,
      "high": 890,
      "currency": "USD",
      "unit": "MT",
      "data_type": "industry_estimate",
      "source": "Shanghai Metals Market — October Middle East producer contracts",
      "source_url": "https://news.metal.com/newscontent/104145450-smm-flash-middle-east-october-sulfur-contract-prices-announced",
      "note": "October 2026 producer contracts: QatarEnergy $835/t FOB, KPC $820/t FOB and ADNOC $890/t FOB Ruwais. Qatar is the displayed series mid; low/high span the three published producer markers.",
      "interpolated": false
    },
    {
      "date": "2026-07-01",
      "index": "SR-TAMPA-Q",
      "mid": 705,
      "low": 676.8,
      "high": 733.2,
      "currency": "USD",
      "unit": "LT",
      "data_type": "industry_estimate",
      "source": "Argus Media open news — Tampa 3Q liquid sulphur $705/lt",
      "source_url": "https://www.argusmedia.com/en/news-and-insights/latest-market-news/2851577-tampa-3q-liquid-sulphur-price-hits-record-705-lt",
      "note": "Q3 2026 Tampa molten contract record $705/LT DEL (+$50 from Q2 $655). Retagged from verified_public: open trade-press/PRA reprint, not a government primary.",
      "interpolated": false
    },
    {
      "date": "2026-07-01",
      "index": "SR-US-DOM-AVG",
      "mid": 180,
      "low": 172,
      "high": 188,
      "currency": "USD",
      "unit": "MT",
      "data_type": "platform_estimate",
      "source": "Sulfur Wire platform estimate",
      "source_url": "https://pubs.usgs.gov/periodicals/mcs2026/mcs2026-sulfur.pdf",
      "note": "Held from last public anchor 2025-12-31",
      "interpolated": true
    },
    {
      "date": "2026-10-15",
      "index": "SR-VAN-FOB-G",
      "mid": 835,
      "low": 830,
      "high": 840,
      "currency": "USD",
      "unit": "MT",
      "data_type": "industry_estimate",
      "source": "ChemPriceHub — international sulfur market roundup",
      "source_url": "https://www.chempricehub.com/news/detail-key-highlights-of-the-international-sulfur-market-on-october-15-2026-c9z7tbbj.html",
      "note": "Open October 16 roundup reported Vancouver spot FOB transactions at $830–840/t for the October 15 market, down $50/t on the week.",
      "interpolated": false
    },
    {
      "date": "2026-10-19",
      "index": "SR-CN-BENCH-100PPI",
      "mid": 6652.33,
      "currency": "CNY",
      "unit": "MT",
      "data_type": "verified_public",
      "source": "Shengyishe / 生意社 (100ppi)",
      "source_url": "https://www.100ppi.com/news/detail-20261019-6362267.html",
      "note": "National sulfur 基准价 on 2026-10-19 morning wire.",
      "interpolated": false
    },
    {
      "date": "2026-10-19",
      "index": "SR-CN-SPOT-10JQKA",
      "mid": 6076.75,
      "currency": "CNY",
      "unit": "MT",
      "data_type": "verified_public",
      "source": "Tonghuashun iFind (10jqka relay)",
      "source_url": "https://goodsfu.10jqka.com.cn/20261019/c680840716.shtml",
      "note": "Sulfur spot 6,076.75 yuan/t, down 575.58 yuan/t day on day per table.",
      "interpolated": false
    }
  ],
  "hubs": {
    "SR-VAN-FOB-G": 835,
    "SR-GULF-FOB-G": 1125,
    "SR-TAMPA-Q": 705,
    "SR-BASIS-VG": -80,
    "SR-ME-FOB": 835
  },
  "china_domestic": [
    {
      "date": "2026-10-19",
      "index": "SR-CN-BENCH-100PPI",
      "mid": 6652.33,
      "currency": "CNY",
      "unit": "MT",
      "data_type": "verified_public",
      "source": "Shengyishe / 生意社 (100ppi)",
      "source_url": "https://www.100ppi.com/news/detail-20261019-6362267.html",
      "note": "National sulfur 基准价 on 2026-10-19 morning wire.",
      "interpolated": false
    },
    {
      "date": "2026-10-19",
      "index": "SR-CN-SPOT-10JQKA",
      "mid": 6076.75,
      "currency": "CNY",
      "unit": "MT",
      "data_type": "verified_public",
      "source": "Tonghuashun iFind (10jqka relay)",
      "source_url": "https://goodsfu.10jqka.com.cn/20261019/c680840716.shtml",
      "note": "Sulfur spot 6,076.75 yuan/t, down 575.58 yuan/t day on day per table.",
      "interpolated": false
    }
  ]
}