Changelog

Unified COMEX inventory dashboard covering gold, silver, copper, platinum, and palladium — registered, eligible, and total stocks across every approved depository, refreshed daily after CME publication.

Launched /sources, listing every primary data feed we pull from (CME COMEX, SGE, SHFE, LBMA, ICE, MCX, GFEX, CFTC, FX rates) with refresh cadence and license terms. Methodology pages are linked from each source.

Launched /data-coverage, listing every data series we publish with start date, refresh cadence, and unit. Useful for citing MetalCharts data in research and journalism.

Added /comex/methodology, /sge/methodology, and /lbma/methodology — explains source data, registered vs eligible (for COMEX), CNY → USD conversion (for SGE), and known data quirks for each exchange.

Every guide on /guides/* and every methodology page now carries an Article JSON-LD declaration with the editorial author and an explicit reviewedBy/publication timestamp. Visible author bylines render above the fold for parity.

Metal pages and historical-data pages now emit Dataset JSON-LD with temporal coverage, variableMeasured, and creator fields — qualifies the pages for Google Dataset Search.

Published /shanghai/vat-explained — deep dive on China's 13% silver VAT, why investment gold is exempt, and why we report the pre-VAT premium.

Published /shanghai/methodology — the contracts we use (Au99.99, Ag(T+D)), USD/CNY conversion approach, and update cadence behind the headline Shanghai premium.

Added long-form guides for gold vs Bitcoin, gold vs real estate, gold vs stocks, platinum vs palladium, and others. Each guide is 2,000+ words with original analysis.

Launched the MetalCharts Terminal — a customizable widget dashboard for active metals traders with drag-and-drop layouts, multi-chart views, exchange inventory widgets, and saved configurations.

Daily COMEX delivery notices (issuers and stoppers per delivery month) now tracked and published at /comex.

Added GFEX (Guangzhou Futures Exchange) lithium carbonate futures coverage — the leading global benchmark for battery-grade lithium pricing.

Expanded to 30+ currencies. Live conversions for INR, GBP, EUR, AED, JPY, CNY, AUD, CAD, and more across gold, silver, platinum, and palladium.

Added /ratios — every pairwise metal ratio with full historical data and downloadable charts. Includes gold/silver, gold/platinum, gold/copper, silver/copper, and dozens more.

Free portfolio tracker for stackers and investors — track holdings across metals, calculate cost basis, P&L, and current value in real-time.