What Are Platinum Group Metals?
Platinum Group Metals (PGMs) are six chemically similar elements: platinum (Pt), palladium (Pd), rhodium (Rh), ruthenium (Ru), iridium (Ir), and osmium (Os). Of these, platinum, palladium, and rhodium are the most commercially significant and are traded on global commodity markets.
PGMs are among the rarest elements in the Earth's crust—all the platinum ever mined in history would fit in a room measuring roughly 8 meters (25 feet) on each side. Their scarcity, combined with unique catalytic properties, makes them indispensable in automotive, chemical, and emerging hydrogen energy applications.
Platinum: The Versatile Noble Metal
Platinum has been called "the rich man's gold" due to its historical price premium. Though it currently trades below gold, platinum's fundamentals are strengthening:
Key Applications
- Automotive catalysts (30%): Used in diesel catalytic converters to reduce NOx emissions
- Jewelry (25%): Particularly popular in Japan, China, and India for engagement rings
- Industrial (20%): Glass manufacturing, petroleum refining, chemical processing
- Hydrogen economy (growing): Each PEM fuel cell stack requires 30-60 grams of platinum
- Investment (15%): Coins, bars, and ETFs
Supply Profile
South Africa produces approximately 70% of the world's platinum, making supply highly concentrated and vulnerable to disruption from labor strikes, power outages (load shedding), and infrastructure challenges. Russia (12%) and Zimbabwe (8%) are the other major producers.
Palladium: The Gasoline Engine's Essential Metal
Palladium prices surged over 400% between 2016 and 2022, reaching above $3,000/oz before correcting. The primary demand driver is gasoline vehicle catalytic converters, which use palladium to convert harmful exhaust gases (CO, hydrocarbons, NOx) into less harmful emissions.
Market Dynamics
- Russia produces approximately 40% of global palladium (Norilsk Nickel)
- South Africa produces about 35%
- Automotive demand represents 80%+ of total palladium consumption
- The shift to EVs poses a long-term demand risk, but ICE vehicle production remains robust in emerging markets
Rhodium: The World's Most Expensive Precious Metal
Rhodium is the rarest and most volatile of the PGMs. Its price history is extraordinary—surging from $600/oz in 2016 to $29,000/oz in 2021, before correcting to $4,000-5,000/oz levels. Key facts:
- Annual production: Only 30-35 tonnes worldwide (compared to 3,000+ tonnes for gold)
- Primary use: Three-way catalytic converters in gasoline vehicles (80% of demand)
- No practical substitutes in many applications
- South Africa produces approximately 80% of global supply
- Market is extremely illiquid, leading to dramatic price swings
The Hydrogen Economy: PGMs' Next Chapter
Hydrogen fuel cells, particularly PEM (Proton Exchange Membrane) fuel cells, require platinum as a catalyst. As governments worldwide invest in hydrogen infrastructure, this emerging demand source could reshape PGM markets:
- A single fuel cell bus uses approximately 30-60 grams of platinum
- Hydrogen electrolyzer demand for PGMs is growing at 25%+ annually
- The EU's hydrogen strategy alone could require 50+ tonnes of platinum annually by 2030
Track platinum, palladium, and rhodium prices across countries on Metals99.