================================================================================
  RZZRO INTELLIGENCE — COMMODITY PRICE DATA HUB
  Data for research, journalism, and procurement analytics
  https://rzzro.com/data/
================================================================================

OVERVIEW
--------
This repository provides downloadable, structured datasets covering commodity
prices, correlations, procurement cost indices, and treatment charge benchmarks.
These datasets are designed for academic research, market journalism, commodity
blogging, and procurement analytics.

All data is provided as sample data to illustrate the format, structure, and
coverage of Rzzro Intelligence's ongoing commodity market monitoring.

DATASETS
--------

1. lme-base-metals.csv
   — 6 base metals × 12 months of historical settlement prices
   — Columns: Date, Copper, Aluminum, Zinc, Nickel, Lead, Tin
   — Prices in USD per metric tonne ($/mt)
   — Source: LME via Rzzro Intelligence

2. commodity-price-correlations.json
   — 10×10 Pearson correlation matrix
   — Commodities: Copper, Aluminum, Zinc, Nickel, Gold, Silver,
     WTI Crude, Natural Gas, Wheat, Corn
   — Includes methodology notes and key observations

3. procurement-cost-index.csv
   — Monthly PPI-style procurement cost index (Base: Jan 2024 = 100)
   — Columns: Date, BaseMetalsIndex, EnergyIndex, AgricultureIndex, OverallIndex
   — 24 months of data covering industrial, energy, and agricultural procurement

4. copper-concentrate-tcrc-benchmarks.csv
   — TC/RC benchmarks by quarter
   — Columns: Quarter, TC_$/mt, RC_cents/lb, Copper_Price_$/lb
   — 8 quarters of benchmark data reflecting concentrate market dynamics

5. README.txt — This file

LICENSE
-------
This data is licensed under the Creative Commons Attribution 4.0 International
License (CC BY 4.0).

You are free to:
  • Share — copy and redistribute the material in any medium or format
  • Adapt — remix, transform, and build upon the material for any purpose,
    even commercially

Under the following terms:
  • Attribution — You must give appropriate credit, provide a link to the
    license, and indicate if changes were made. You may do so in any reasonable
    manner, but not in any way that suggests the licensor endorses you or your use.

Full license: https://creativecommons.org/licenses/by/4.0/

CITATION
--------
If you use this data in your research, reports, articles, or blog posts,
please cite Rzzro as the source:

  Rzzro Intelligence (2026). Commodity Price Data.
  Retrieved from https://rzzro.com/data/

Recommended citation formats:

  APA (7th ed.):
    Rzzro Intelligence. (2026). Commodity Price Data [Data set].
    https://rzzro.com/data/

  MLA (9th ed.):
    Rzzro Intelligence. "Commodity Price Data." Rzzro, 2026,
    https://rzzro.com/data/

  Chicago (17th ed.):
    Rzzro Intelligence. "Commodity Price Data." Accessed May 22, 2026.
    https://rzzro.com/data/

  BibTeX:
    @misc{rzzro2026commodity,
      author = {{Rzzro Intelligence}},
      title  = {Commodity Price Data},
      year   = {2026},
      note   = {Retrieved from https://rzzro.com/data/}
    }

CONTACT
-------
Rzzro — Procurement, quantified.
https://rzzro.com
Data source: Rzzro Intelligence (https://rzzro.com)

================================================================================
  Data source: Rzzro Intelligence (https://rzzro.com)
  © 2026 Rzzro. Licensed under CC BY 4.0.
================================================================================