Where this number comes from

American vs global copper stocks

Every fact below is read from the registers the pipeline itself runs on — the series registry, the derivation register and the gauge definitions — not from prose maintained beside them. If a link or weight here is wrong, the dashboard is computing with the same wrong thing, and the audits fail.

The chain

American vs global copper stocks xx.metals.comex_lme_copper computed by findash
Source
Computed by findash comex/lme Derived series — see the formula and inputs in its lineage; every input resolves to a publisher.
Last observation
1.8523 x on 2026-07-01 stored 2026-09-24 16:04 UTC

comex/lme COMEX copper stocks divided by LME stocks. When this runs away from 1, the US and world price have come apart and someone is paying to move metal across a border.

Computed from 2 inputs, each with its own chain:

COMEX copper stocks xx.inv.copper_comex hand-entered from a cited source
Source
COMEX warehouse stocks, tonnes inv/copper_comex Hand-entered from the cited source (confidence: SINGLE); review due 202610.
Last observation
652,200 tonnes on 2026-07-01 stored 2026-09-23 21:31 UTC
LME copper stocks xx.inv.copper_lme hand-entered from a cited source
Source
LME warehouse stocks, tonnes inv/copper_lme Hand-entered from the cited source (confidence: SINGLE); review due 202610.
Last observation
352,100 tonnes on 2026-07-01 stored 2026-09-23 21:31 UTC

What reads this series

Indicators

Tripwires

Position tests

The same chain as JSON: /v1/series/xx.metals.comex_lme_copper/lineage · raw observations: /v1/series/xx.metals.comex_lme_copper/observations