Commodity ratio · live
Platinum to Cobalt Ratio
The platinum to cobalt ratio is 0.03350 — Platinum at $1,885.75 per Troy Ounce divided by Cobalt at $56,290.00 per Metric Ton.
Prices as of Aug 24, 2026, 12:09 PM UTC. Change either side of the calculator to price any other pair from 170+ commodities.
Platinum to Cobalt ratio
1.000 T.oz of platinum = 0.03350 T of cobalt
Inverse (COB/PL): 29.85 — one Metric Ton of cobalt buys that much platinum.
Close to the middle of its 1 year range. (37th percentile of the last 1 year)
Platinum
$1,885.75
per Troy Ounce
Cobalt
$56,290.00
per Metric Ton
Unit basis: USD per Troy Ounce ÷ USD per Metric Ton. The ratio reads as Metric Tons of cobalt per Troy Ounce of platinum. Prices as of Mon, 24 Aug 2026 12:09:20 GMT.
1Y average
0.03589
median 0.03534
1Y low
0.02722
Jul 1, 2026
1Y high
0.05185
Jan 26, 2026
Normal band
0.03094–0.04084
mean ± 1 std dev
Deviation from mean
-0.48σ
311 observations
Platinum to Cobalt ratio charts
Pick a range once — it applies to the PL/COB ratio line, the OHLC candles and the Platinum / Cobalt price chart below.
PL/COB ratio line
How many T of Cobalt one T.oz of Platinum buys, over 1Y.
PL/COB ratio candles
Open, high, low and close of the PL/COB ratio for each period in the last 1Y.
Platinum and Cobalt prices
Both legs of the ratio on their own axes, so you can see which one moved over 1Y.
How to calculate the platinum to cobalt ratio
Platinum to Cobalt ratio = Platinum price per Troy Ounce ÷ Cobalt price per Metric Ton
The two legs use different units, so the result is a rate — Metric Tons of cobalt per Troy Ounce of platinum — rather than a plain count.
Worked example, live prices: $1,885.75 ÷ $56,290.00 = 0.03350. The inverse is 29.85.
The flagship commodity ratios
Each of these has its own dedicated page with live pricing, a full year of history and range statistics.
Live prices behind the ratio
| # | Symbol | Name | Rate (USD) |
|---|---|---|---|
| 1 | XAU | Gold | 4640.70 |
| 2 | XAG | Silver | 68.90 |
| 3 | WTIOIL-FUT | Crude Oil WTI Futures | 85.69 |
| 4 | BRENTOIL-FUT | Crude Oil Brent Futures | 92.88 |
| 5 | NG-FUT | Natural Gas Futures | 2.78 |
| 6 | PL | Platinum | 1883.84 |
| 7 | PA | Palladium | 1350.90 |
Frequently asked questions
What is the platinum to cobalt ratio today?
The platinum to cobalt ratio is 0.03350 — Platinum at $1,885.75 per Troy Ounce divided by Cobalt at $56,290.00 per Metric Ton, from live mid-market prices.
How do you calculate the platinum to cobalt ratio?
Divide the platinum price per Troy Ounce by the cobalt price per Metric Ton. If the two units differ, the result is a rate rather than a plain count — read it as Metric Tons of cobalt per Troy Ounce of platinum.
What is the inverse of the platinum to cobalt ratio?
The inverse, cobalt to platinum, is 29.85 — how many Troy Ounces of platinum one Metric Ton of cobalt buys.