Daily Metals Mining Rundown for 23 Sept 2025 (after-market ASX)

Platinum price rose +2.5% through ASX trading which helped some ASX listed PGM stocks outperform among miners; Gold, uranium, and silver prices also gained including gold hitting new all-time-highs around $3,780/oz; Most ASX gold, uranium and silver mining stocks also closed green; Coverage includes resource update by Unico Silver.

Author

Host Rock Capital
September 23, 2025

Today’s metal price movements (over past ~13 hrs) and mining company peer group through ASX trading (including yesterday’s TSX/NYSE movements) include:

Top and bottom 40 daily performing mining company stocks (out of 491 in our Peer Table) through ASX trading (including yesterday’s TSX/NYSE movements) include:

Covered mining company announcements incorporated into today’s after-market ASX Peer Table (resource updates, economic studies, changes in attributable project ownership):

  • 23 Sept 2025 - Silver explorer Unico Silver (ASX:USL) announced a substantial resource update that grew its project resources at 100%-owned Cerro Leon project in Argentina by ~87% to 31Mt @ 62 g/t Ag, 0.55 g/t Au, 0.54% Pb, 1.1% Zn for a reported 162 Moz AgEq @ 161g/t AgEq (30% indicated, rest inferred) following 20.5km of new drilling for low discovery costs of USD 10c/oz AgEq. At our 3-month trailing average metal prices, these silver-equivalent resources translate to 147 Moz AgEq (1.6 Moz AuEq) and are 42% silver by metal value. Some 45Moz AgEq of these resources are reported to be free-milling,open-pittable, 67% of which are in indicated category, providing a solid foundation for a future scoping study. USL stock traded up slightly today (23 Sept) following this news, +2.8% (vs. silver explorer median +5%) , to market cap A$283m or market cap/oz resource of US$1.27/oz AgEq ($116/oz AuEq) - far below the $2.37/oz AgEq ($216/oz AuEq) where USL traded before this update -in-line with 26-company silver explorer peer group mean $1.27/oz AgEq ($116/oz AuEq), and the company has another upcoming MRE for Joaquin, has another 30km of drilling underway, and has clear line-of-sight to reach resources of ~250Moz AgEq.

Disclaimer: Provided for informational and educational purposes on an “as-is” basis, and is not investment advice. For full disclosures, visit www.hostrockcapital.com/disclosures.