The 1-ounce platinum bars are available online now to members. This isn't the first time the store has sold precious metals.

Benzinga - Video Costco Expands Precious Metals Line With 1-Ounce Platinum Bars, Adding to Gold and Silver Collection Posted: October 3, 2024 | Last updated: May 3, 2025 Costco is expanding its ...

On April 29, 2024, a 1-ounce gold bar from Costco could be purchased for roughly $2,379 — a year later, it is now worth ...

Gold's surge above $3,500/oz at Costco attracted new buyers and savvy investors who used credit card perks to earn cash back on bullion purchases.