The PGM Complex at a Crossroads
The five platinum group metals, platinum, palladium, rhodium, iridium, and ruthenium, share a supply chain but face diverging demand trajectories. The auto industry, which consumes 30-80% of each metal depending on the PGM, is undergoing the most significant transition in its history. Simultaneously, the hydrogen economy promises new demand sources that are still years from material impact.
Understanding the PGM complex requires looking at all five metals together, because they come out of the ground together and their economics are intertwined.
Annual Production and Basic Economics
Platinum: approximately 190 tonnes. Primary application: diesel catalytic converters, jewelry, industrial. Palladium: approximately 210 tonnes. Primary application: gasoline catalytic converters. Rhodium: approximately 28 tonnes. Primary application: gasoline catalytic converters (NOx reduction). Iridium: approximately 7-8 tonnes. Primary application: electrochemistry, spark plugs, crucibles. Ruthenium: approximately 35-40 tonnes. Primary application: electronics, chemical catalysis.
South Africa produces 70-80% of platinum, rhodium, iridium, and ruthenium. Russia (Norilsk Nickel) produces roughly 40% of palladium, with South Africa contributing around 35%. These two countries, with their respective operational and geopolitical risks, dominate the global supply of all five metals.
Autocatalyst Demand Trends
Gasoline Vehicles
Gasoline catalytic converters use palladium and rhodium as the primary catalyst metals. Palladium handles CO and hydrocarbon oxidation; rhodium handles NOx reduction. Loading rates have been increasing due to tighter emissions standards (Euro 7, China 6b), even as total gasoline vehicle production faces long-term decline from electrification.
In the near term (2026-2030), gasoline vehicle production remains robust in emerging markets. India, Southeast Asia, and Africa are growing auto markets where ICE vehicles dominate. China’s gasoline vehicle production is declining but from a massive base. Total global gasoline vehicle production is likely to decline 10-20% by 2030 from peak levels, but tighter emissions standards partially offset this by increasing PGM loading per vehicle.
Diesel Vehicles
Diesel catalytic converters primarily use platinum, making diesel’s trajectory especially relevant for platinum investors. European diesel car market share has fallen from approximately 50% in 2015 to under 15% by 2025. However, diesel remains dominant in heavy-duty trucks, buses, and construction equipment, categories where electrification is progressing slowly.
The net effect for platinum: declining diesel car demand is partially offset by growing heavy-duty diesel demand (as freight volumes grow) and tighter truck emissions standards. Platinum’s diesel demand is stabilizing rather than collapsing.
Hybrid Vehicles
Hybrids (HEV and PHEV) are the underappreciated positive for PGM demand. Hybrid sales have grown faster than pure EVs in many markets, including the United States, Europe, and Japan. Every hybrid vehicle requires a catalytic converter, and many hybrids use larger, more complex exhaust systems than conventional ICE vehicles because the engine operates intermittently and at varying temperatures.
Global hybrid sales exceeded 10 million units in 2024 and are projected to grow further through the decade. This provides meaningful and growing catalytic converter demand even as pure ICE vehicle production declines.
The Hydrogen Economy: PGM Demand Timeline
Hydrogen fuel cells, specifically PEM (proton exchange membrane) technology, use platinum as the cathode catalyst. PEM electrolyzers, which produce green hydrogen from water, use iridium as the anode catalyst. This dual demand channel, from both hydrogen production and consumption, represents the most significant potential new demand source for PGMs.
Platinum in Fuel Cells
A PEM fuel cell for a heavy-duty truck uses approximately 30-60 grams of platinum. For comparison, a diesel catalytic converter in a truck uses roughly 5-15 grams of PGM. If hydrogen fuel cell trucks scale to meaningful production, platinum demand per vehicle could be 3-5 times higher than the diesel equivalent they replace.
Current reality: hydrogen fuel cell vehicle production is minimal. Toyota, Hyundai, and a handful of Chinese manufacturers produce fuel cell vehicles, but annual volumes are in the low tens of thousands globally, consuming perhaps 5-10 tonnes of platinum annually. Forecasts for 2030 range from 50,000 to 500,000 fuel cell vehicles, depending on hydrogen infrastructure development and policy support.
At the optimistic end, fuel cell demand could add 20-40 tonnes of annual platinum demand by 2030. At the conservative end, it adds 5-10 tonnes. Neither scenario is transformative for a 190-tonne annual market in the near term, but the trajectory beyond 2030 could be significant.
Iridium in Electrolyzers
PEM electrolyzers use iridium oxide as the oxygen evolution reaction catalyst. Current iridium loading is approximately 1-3 grams per kW of electrolyzer capacity. Global PEM electrolyzer installations are growing rapidly from a small base.
This is where the math gets interesting. Annual iridium production is only 7-8 tonnes (roughly 250,000 ounces). If global PEM electrolyzer capacity reaches targets set by the EU, U.S., and China (total perhaps 100-200 GW by 2030), iridium demand could reach 10-30 tonnes, exceeding total annual mine production.
Iridium loading reduction (thrifting) and alternative electrolyzer technologies (alkaline and solid oxide, which do not use iridium) will partially address this. But the potential demand-supply mismatch for iridium is the most dramatic in the PGM complex.
Mine Supply Challenges
South Africa’s Power Crisis
Eskom’s load-shedding has been the most persistent operational risk for PGM supply. Rolling blackouts force mines to reduce production, as underground operations require continuous power for ventilation and safety. The situation has improved somewhat with new renewable energy installations, but South Africa’s power grid remains fragile.
Major producers have invested in self-generation capacity (solar, gas turbines), but this adds cost and takes time. Anglo American Platinum, Impala Platinum, and Sibanye-Stillwater have all cited power supply as a constraint on output.
Russian Sanctions
Western sanctions on Russia following the 2022 Ukraine invasion have complicated but not eliminated Russian PGM supply. Norilsk Nickel’s palladium and platinum continue to reach global markets, partly through non-sanctioned channels and partly because full PGM sanctions were never implemented (due to supply concerns).
However, the geopolitical risk premium persists. Any escalation in sanctions could disrupt 40% of global palladium supply and meaningful quantities of platinum. This risk supports PGM prices even when fundamental supply-demand balances appear adequate.
Cost Inflation
South African mining costs have risen sharply due to above-inflation wage increases, electricity costs, and declining ore grades as mines go deeper. All-in sustaining costs for deep-level Bushveld operations now run $800-1,200/oz on a platinum-equivalent basis. At current platinum prices, some operations are marginally profitable or loss-making, leading to shaft closures and supply rationalization.
This cost-driven supply reduction is structurally positive for PGM prices. Marginal production is leaving the market, tightening the supply curve.
Recycling Growth
PGM recycling from spent catalytic converters is a growing supply source. Approximately 25-30% of platinum and palladium supply now comes from recycling, along with a meaningful share of rhodium supply.
Recycling volumes are driven by vehicle scrappage rates (vehicles reaching end-of-life 12-15 years after manufacture) and PGM prices (higher prices incentivize collection). The catalytic converter theft epidemic of 2020-2022 temporarily boosted the visible supply of recycled converters but also prompted legislation requiring documentation of converter provenance, which has slowed some recycling flows.
Looking forward, recycling will grow as more vehicles with modern, high-PGM-loading converters reach end-of-life. By 2030, vehicles manufactured during the period of peak PGM loading (2015-2022) will begin entering the scrappage stream in meaningful numbers.
Price Outlook by Metal
Platinum
Platinum faces the most balanced near-term outlook. Diesel demand is stabilizing, hydrogen demand is emerging (slowly), jewelry demand is steady, and industrial applications provide a floor. Supply is constrained by South African operational challenges and cost inflation. Platinum has traded at a discount to gold since 2015, a historically unusual condition that some analysts view as unsustainable.
Near-term range (2026-2028): the current trajectory suggests gradual tightening. Hydrogen demand is not yet large enough to be transformative, but the narrative supporting platinum’s hydrogen role may attract investment flows ahead of the physical demand.
Palladium
Palladium faces the most challenging outlook. Gasoline vehicle production (its primary demand driver) is declining in developed markets. The palladium price spike of 2019-2022, driven by supply deficits, has given way to surplus conditions as thrifting, substitution toward platinum, and recycling increase available supply.
Russian supply remains the wild card. Any disruption would tighten the market significantly. Absent that, palladium’s fundamental trajectory is one of gradually declining demand and growing supply, a challenging combination.
Rhodium
Rhodium’s extreme volatility makes point forecasts unreliable. The structural case (28 tons annual production, no substitutes, tightening emissions standards) remains intact, but the market’s thinness means prices can deviate massively from fundamental value in either direction.
Iridium
Iridium is the sleeper of the PGM complex. If hydrogen electrolyzer deployment scales as governments plan, iridium faces a potential supply deficit that cannot be resolved by increasing mine production (it comes from the same South African ore as platinum). Prices have already risen sharply from under $1,000/oz to over $4,000/oz. Further upside depends on electrolyzer deployment timelines and thrifting progress.
Ruthenium
Ruthenium demand is tied to electronics (hard disk drives, chip resistors) and chemical catalysis. The metal has seen price spikes driven by technology shifts in the electronics industry. The outlook is stable to modestly positive, with potential upside from ammonia synthesis catalysis in the hydrogen economy.
Investment Considerations
The PGM complex offers exposure to the intersection of auto electrification, emissions regulation, and the hydrogen economy. For investors, the practical options include physical rhodium (high risk, high reward), platinum ETFs (PPLT), palladium ETFs (PALL), and PGM mining stocks (Anglo American Platinum, Impala Platinum, Sibanye-Stillwater).
Mining stocks provide diversified PGM exposure but introduce equity risk and South African country risk. ETFs offer liquid, exchange-traded exposure to platinum and palladium. Rhodium and iridium require specialist dealer access.
Portfolio Positioning
For investors seeking broad PGM exposure, a layered approach makes sense. A core platinum position (via PPLT or physical) provides the most balanced risk-reward. A smaller palladium allocation captures potential Russian supply disruption upside. Rhodium, if included at all, should follow the strict sizing guidelines outlined in the rhodium investing guide: 1-2% of precious metals allocation maximum.
Mining stocks (Sibanye-Stillwater on the NYSE is the most accessible for U.S. investors) provide leveraged exposure to the entire basket but carry operational, currency, and equity market risk. Sibanye’s revenue mix includes gold, which provides some diversification within the PGM mining sector.
The key risk for all PGM positions is the EV transition timeline. If pure EV adoption accelerates faster than currently projected, all PGMs except potentially platinum (fuel cells) and iridium (electrolyzers) face demand headwinds. Monitoring global EV sales data, government policy signals, and hybrid vehicle trends is essential for managing PGM exposure.
The gold-to-platinum ratio, analogous to the gold-to-silver ratio, is at historically high levels (gold significantly more expensive than platinum), which some analysts interpret as a signal that platinum is undervalued relative to its historical relationship with gold.
Frequently Asked Questions
Which PGM has the best investment outlook?
Platinum has the most balanced risk-reward profile, combining hydrogen demand optionality with a historically low price relative to gold. Iridium has the most dramatic potential demand-supply mismatch but is difficult to invest in directly. Rhodium offers the highest potential returns but with extreme volatility. Palladium faces the most headwinds from gasoline vehicle production decline.
Will hydrogen fuel cells save the PGM industry?
Not in the near term. Even optimistic hydrogen scenarios add only 10-20% to platinum demand by 2030. The more significant impact is in the 2030s, when fuel cell adoption could accelerate. For iridium, the hydrogen timeline is more urgent because the market is much smaller (7-8 tonnes annually) and electrolyzer demand could exceed mine supply within this decade.
Are PGM mining stocks a good way to invest?
PGM mining stocks provide diversified exposure to all five metals plus gold and base metals. The main risks are South African country risk (power, labor, regulation), management execution, and the operational leverage that amplifies both gains and losses. For investors seeking PGM exposure without the illiquidity of physical rhodium or iridium, mining stocks are the most accessible option.
How does the EV transition affect PGMs overall?
EVs reduce demand for palladium (gasoline catalysts) and rhodium (gasoline catalysts) while potentially increasing demand for platinum (fuel cells) and iridium (electrolyzers). The net effect depends on the mix of pure EVs vs. hybrids vs. hydrogen fuel cells. In the near term (2026-2030), hybrid growth partially offsets pure EV displacement. The 2030s will be the more decisive period for PGM demand trajectories.