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Open Data

Open Data

The full dataset behind lanthanides.io is open, and every price carries its source. Download it here as JSON or CSV.

Price records
238
Elements
31
Price observations
285
Regulatory notices
5
Curated sources
5

Coverage by element

How much price data backs each element. Each tile links to its element page.

La8Ce9Pr5Nd10Sm6Y5Sc12Eu4Gd13Tb12Dy10Ho23Er6Tm14Yb4Lu12Te17V16Sb4W4Bi3Mo4Zr3Ta2Nb4Co4Li2Ga9Ge5Se3In5
31 elementsRich 4Moderate 19Sparse 8None 0· number on each tile = observations

Downloads

Price records (JSON)
238 records · application/jsonThe canonical price store: every sourced, normalised USD/kg record with seller, date, form, purity, quantity, and verification status.
Price records (CSV)
238 rows · text/csvThe same dataset as a flat spreadsheet table. One row per record, every field a column.
Price fluctuations (JSON)
Per-element windows · application/jsonPre-computed price-change windows (7d/30d/90d/1y/all-time) per element and tier, with confidence and observation counts.
Regulatory tracker: 5 notices
Structured page · CC BY 4.0 DatasetEvery Chinese export-control announcement affecting these elements, with effective dates, affected elements, and current status. Sourced from _data/regulatory/*.yml.

Source of Truth

The exports above are generated from the versioned reference data in the repository’s _data/ directory. Browse or fork the raw data:

_data/ on GitHub →Repository →

Cite this dataset

The dataset carries no DOI; cite it by its version date, shown below, and the date you accessed it. Collection and verification are documented in the methodology.

lanthanides.io contributors (2026). lanthanides.io Strategic Materials Ledger: price-records dataset, version of 2026-05-31. https://www.lanthanides.io/data/. Licensed CC BY 4.0.

BibTeX

@misc{lanthanides_ledger_2026,
  title        = {lanthanides.io Strategic Materials Ledger: price-records dataset},
  author       = {{lanthanides.io contributors}},
  year         = {2026},
  howpublished = {\url{https://www.lanthanides.io/data/}},
  note         = {Open data, CC BY 4.0. Version of 2026-05-31.}
}

A machine-readable CITATION.cff ships in the repository. For a specific record, cite its record id and the element’s provenance table.

Licence & Attribution

The dataset is licensed under Creative Commons Attribution 4.0 (CC BY 4.0). You are free to share and adapt it for any purpose, including commercially, provided you give appropriate credit (the citation above). The site code is licensed MIT.