Palladium vs Platinum: Two Sister Metals, One Taxed, One Not

Hold a platinum coin and a palladium coin side by side and you would struggle to tell them apart. Same silvery-white colour, nearly the same heft in the hand, same family on the periodic table, and for years the same job under the hood of a car. They are sister metals in almost every way that shows. But for a Canadian buyer they are not the same buy at all, and the differences are the kind that cost or save you real money.

Here is the honest comparison, the parts that matter when you are deciding which one to actually put away.

Before the details, plainly: this is general information, not tax advice. We are not tax specialists or accountants. Tax rules change and they turn on the exact facts of your purchase, so nothing here decides what you owe. The only authority on your situation is the Canada Revenue Agency, your province, or a tax professional. Treat this as the questions to ask, then confirm the answer for your own piece.

Two metals, one family

Platinum and palladium are both platinum-group metals, and their headline use is the same one: catalytic converters, the part that cleans a car's exhaust. The rough split is that platinum did the work in diesel engines and palladium in gasoline ones, though carmakers switch between them when the price gap gets wide enough, because chemically they can stand in for each other. Both are rare, both are mined mostly in South Africa and Russia, and both come out of the ground alongside other metals rather than from dedicated mines.

So far, so similar. The differences start the moment you look at price, tax, and where the demand comes from.

The price flip

For most of the last century platinum was the senior metal, the pricier and more prestigious of the two. Then, from about 2018, palladium went on a tear on tight supply and gasoline-engine demand, and blew past platinum to a record near US$3,429 an ounce in early 2022. For a few years the little sister was worth far more than the big one.

That has reversed. Through 2025 and into 2026 platinum climbed back above palladium, and by mid-2026 platinum traded around $1,620 an ounce against palladium near $1,250, a gap of a few hundred dollars the other way. You can watch both live on the platinum and palladium spot pages. One way to read it: the odd years were 2018 to 2024, and the market has simply gone back to its long-run order, with platinum on top.

The tax that splits them

This is the difference that matters most for a Canadian, and it is invisible on any price chart. Platinum is on Canada's sales-tax exemption list. Palladium is not.

The Excise Tax Act grants the GST/HST exemption to investment-form gold, silver, and platinum at the right purity. Platinum at 99.5 percent or higher, as a coin, bar, or wafer, qualifies. Palladium, at any purity, was never written into the definition, so it is an ordinary taxable purchase: 5 percent GST or 13 to 15 percent HST, plus any provincial tax where you live. We cover the full rule in when bullion is GST/HST-exempt in Canada, and the palladium side of it in what palladium is worth and why Canada taxes it.

Put a number on it. Spend the same amount on each, and the platinum buyer walks out with close to a full ounce of metal, while the palladium buyer hands several percent of the purchase straight to the tax line before owning a single gram. And when you sell, a dealer pays you for the metal, not for the tax you paid going in. On palladium, that tax is simply gone. That is a real, permanent head start for platinum in this country, on top of whatever the two metals do on price.

Where the demand is heading

The other quiet difference is what each metal leans on. Palladium is overwhelmingly a gasoline-autocatalyst metal, four-fifths of its demand, which puts it squarely in the path of the shift to electric vehicles that carry no catalytic converter at all. Forecasters argue about the timing, but the direction of that pressure is not really in dispute.

Platinum stands on a broader base. It has the autocatalyst demand, but also serious jewellery demand, a spread of industrial uses, real investment demand, and an emerging role in hydrogen fuel cells that could grow over time. Platinum has also been running in a supply deficit, with mine output strained. A more diversified set of customers is not a guarantee of anything, but it is sturdier footing than a single use the world is slowly engineering out.

Neither is a reason to bet the farm. Both metals are volatile, both are thinner to trade than gold or silver, and palladium is the least liquid exchange-traded metal of the group. But if you are weighing one platinum-group metal against the other, the demand story favours platinum too.

So which should a Canadian buy?

For most Canadian stackers the answer falls out of the three differences stacked together. Platinum is the cheaper entry right now, it carries no sales tax, and its demand rests on more than one leg. Palladium is pricier to own after tax, tied to a shrinking use, and harder to sell well. The tie goes to platinum, and it is barely a tie.

That is not a rule against ever owning palladium. If you hold a specific view, a bet on a supply squeeze, a contrarian call on a beaten-down price, a wish to own every metal in the group, palladium can have a place. It just has to clear a tax and a liquidity bar that platinum doesn't set in front of you. Our own first platinum purchase is a story we've told before, and the tax-free part of it was no accident.

Whichever way you lean, do the same thing you would with any metal: work out the all-in cost, tax included where it applies, before you buy, so you are comparing the true price and not just the sticker. (And the usual note: we are not tax specialists, this is not tax advice, and the CRA or a tax professional is the authority on your situation.)