Commodity ratio · live
Cobalt to Silicon Ratio
The cobalt to silicon ratio is 29.26 — Cobalt at $56,290.00 per Metric Ton divided by Silicon at $1,923.91 per Metric Ton.
Prices as of Aug 24, 2026, 10:28 AM UTC. Change either side of the calculator to price any other pair from 170+ commodities.
Cobalt to Silicon ratio
1.000 T of cobalt = 29.258 T of silicon
Inverse (SILLUMP/COB): 0.03418 — one Metric Ton of silicon buys that much cobalt.
Cobalt
$56,290.00
per Metric Ton
Silicon
$1,923.91
per Metric Ton
Unit basis: USD per Metric Ton ÷ USD per Metric Ton. The ratio reads as Metric Tons of silicon per Metric Ton of cobalt. Prices as of Mon, 24 Aug 2026 10:28:36 GMT.
Cobalt to Silicon ratio charts
Pick a range once — it applies to the COB/SILLUMP ratio line, the OHLC candles and the Cobalt / Silicon price chart below.
COB/SILLUMP ratio line
How many T of Silicon one T of Cobalt buys, over 1Y.
No overlapping history for COB/SILLUMP over 1Y. Try a longer range.
COB/SILLUMP ratio candles
Open, high, low and close of the COB/SILLUMP ratio for each period in the last 1Y.
No overlapping history for COB/SILLUMP over 1Y. Try a longer range.
Cobalt and Silicon prices
Both legs of the ratio on their own axes, so you can see which one moved over 1Y.
How to calculate the cobalt to silicon ratio
Cobalt to Silicon ratio = Cobalt price per Metric Ton ÷ Silicon price per Metric Ton
Both legs share the same unit, so the result is a plain unitless number, directly comparable across time.
Worked example, live prices: $56,290.00 ÷ $1,923.91 = 29.26. The inverse is 0.03418.
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 | 4647.62 |
| 2 | XAG | Silver | 69.00 |
| 3 | WTIOIL-FUT | Crude Oil WTI Futures | 85.69 |
| 4 | BRENTOIL-FUT | Crude Oil Brent Futures | 92.75 |
| 5 | NG-FUT | Natural Gas Futures | 2.77 |
| 6 | PL | Platinum | 1885.63 |
| 7 | PA | Palladium | 1351.00 |
Frequently asked questions
What is the cobalt to silicon ratio today?
The cobalt to silicon ratio is 29.26 — Cobalt at $56,290.00 per Metric Ton divided by Silicon at $1,923.91 per Metric Ton, from live mid-market prices.
How do you calculate the cobalt to silicon ratio?
Divide the cobalt price per Metric Ton by the silicon 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 silicon per Metric Ton of cobalt.
What is the inverse of the cobalt to silicon ratio?
The inverse, silicon to cobalt, is 0.03418 — how many Metric Tons of cobalt one Metric Ton of silicon buys.