Copper prices bounce as US runs out of warehouse space
Published . Updated .
US warehouses close to full with another 100,000 tonnes expected within weeks, Shanghai premiums rise to four-year high and London flips back into backwardation.
Directly affected
- No company is named in this report.
Indirectly affected
- XLB Materials Select Sector SPDR
A fund of materials companies
- GLD SPDR Gold Shares
Gold miners and the metal move together
- FCX Freeport-McMoRan
A large copper miner
- NEM Newmont
A large gold miner
- HL HECLA MINING CO
GA selected HL as a RELATED security because its canonical security name directly matches this event's themes: mining. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.
- MP MP MATERIALS CORP
GA selected MP as a RELATED security because its canonical security name directly matches this event's themes: materials. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.
- RYAM RAYONIER ADVANCED MATERIALS
GA selected RYAM as a RELATED security because its canonical security name directly matches this event's themes: materials. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.
- SCCO SOUTHERN COPPER CORP
GA selected SCCO as a RELATED security because its canonical security name directly matches this event's themes: copper. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.
- ARIS ARIS MINING CORPORATION
GA selected ARIS as a RELATED security because its canonical security name directly matches this event's themes: mining. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.
- CNL COLLECTIVE MINING LTD
GA selected CNL as a RELATED security because its canonical security name directly matches this event's themes: mining. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.
Price reaction, T-5 to T+3
US warehouses close to full with another 100,000 tonnes expected within weeks, Shanghai premiums rise to four-year high and London flips back into backwardation.
Source: Mining.com
How far Hecla Mining (HL) has moved since 21 Sep 2026
Since the first closing price after “Copper prices bounce as US runs out of warehouse space,” Hecla Mining (HL) is -21.05%. The S&P 500 fund (SPY) is -0.88% over the same days, a -20.17% difference versus the market.
Who is named in “Copper prices bounce as US runs out of warehouse space”
Companies mentioned with this story
- HL Hecla Mining
In “Copper prices bounce as US runs out of warehouse space,” Hecla Mining (HL) is linked, with no stored direction, medium confidence. Reason on file: GA selected HL as a RELATED security because its canonical security name directly matches this event's themes: mining. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article
- MP MP Materials Corp. / DE
MP Materials Corp. / DE (MP) is linked, with no stored direction, medium confidence in the 21 Sep 2026 story “Copper prices bounce as US runs out of warehouse space.” Reason on file: GA selected MP as a RELATED security because its canonical security name directly matches this event's themes: materials. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article
- RYAM Rayonier Advanced Materials
Rayonier Advanced Materials (RYAM) is linked, with no stored direction, medium confidence in the 21 Sep 2026 story “Copper prices bounce as US runs out of warehouse space.” Reason on file: GA selected RYAM as a RELATED security because its canonical security name directly matches this event's themes: materials. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article
- SCCO Southern Copper Corp/
For “Copper prices bounce as US runs out of warehouse space,” Southern Copper Corp/ (SCCO) is linked, with no stored direction, medium confidence. Reason on file: GA selected SCCO as a RELATED security because its canonical security name directly matches this event's themes: copper. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article
- ARIS Aris Mining
In “Copper prices bounce as US runs out of warehouse space,” Aris Mining (ARIS) is linked, with no stored direction, medium confidence. Reason on file: GA selected ARIS as a RELATED security because its canonical security name directly matches this event's themes: mining. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article
- CNL Collective Mining
Collective Mining (CNL) is linked, with no stored direction, medium confidence in the 21 Sep 2026 story “Copper prices bounce as US runs out of warehouse space.” Reason on file: GA selected CNL as a RELATED security because its canonical security name directly matches this event's themes: mining. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article
How “Copper prices bounce as US runs out of warehouse space” reaches Hecla Mining (HL)
“Copper prices bounce as US runs out of warehouse space” (21 Sep 2026) reaches Hecla Mining (HL) through this story.
What ties Hecla Mining (HL) to the headline is this: GA selected HL as a RELATED security because its canonical security name directly matches this event's themes: mining. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article
MP Materials Corp. / DE (MP) is here too. Its reason reads: GA selected MP as a RELATED security because its canonical security name directly matches this event's themes: materials. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article
The price range for Hecla Mining (HL), and the dates in the story
HL traded between 14.65 and 19.29 across 20 sessions. The latest close on file is 15.04. MP traded between 38.61 and 51.35 across 20 sessions. The latest close on file is 38.97. RYAM traded between 6.57 and 9.40 across 20 sessions. The latest close on file is 6.88.
How solid “Copper prices bounce as US runs out of warehouse space” looks
46 out of 100
“Copper prices bounce as US runs out of warehouse space” scores 46 out of 100. The score uses 1 sources, and 6 linked companies.