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Signal · Commodities & Input Costs

Copper Erases Tariff Selloff as Shanghai Stockpiles Hit Three-Year Low

Oilprice.com Trade press Published 23rd September 2026 Global

What the source reported

Source-reported

Copper closed Tuesday a hair below its all-time high, extending its winning streak to six sessions as Chinese buyers restocked ahead of back-to-back holidays and warehouse inventories in Shanghai and London kept draining. Three-month copper on the London Metal Exchange settled at $14,783 a metric ton, up 0.8%, according to Shanghai Metals Market, leaving it $92 short of the $14,875 record set Sept. 10. Comex copper for December delivery hit $6.871 a pound in New York during the session, within 2 cents of its $6.8885 record settlement from Sept.…

Publication
Oilprice.com · Trade Publication
Published
23rd September 2026
Original report
oilprice.com

ProcIntel stores what the source published in its feed — a headline, a summary and a link. It does not store or reproduce the full article.

What ProcIntel recorded

ProcIntel-derived
Category
Commodities & Input Costs
Geography
Global
Organisations
None identified
Collected
23rd September 2026 · 16:55

Initial assessment ProcIntel's automatic, provisional read of this individual Signal -- Initial Significance and Initial Confidence, computed deterministically before any Event extraction or human review.

A provisional, automatically computed reading of this individual Signal, before Event extraction or human review. Not a final rating.

Significance 2 · Moderate
Confidence 3 · Moderate

Initial Significance Moderate (39.0/100). Strongest contributor: Procurement Impact (27.0/30 points). Limiting factor: Geographic Breadth (0.0/10 points). Initial Confidence Moderate (45.75/100, data sufficiency: Partial). Strongest contributor: Source Authority (20.0/40 points). Limiting factor: Corroboration (2.5/25 points).

Strongest contributor
Procurement Impact
Limiting factor
Geographic Breadth