Good question entropy.
"Copper market prices displayed in Trading Economics are based on over-the-counter (OTC) and contract for difference (CFD) financial instruments."
This chart series seems to be very fresh and draw on market data globally 24/24.
A drawback is the quote is in lb. The US and its closest allies Liberia and Myanmar are the only countries not metric, yet somehow the ROW has to converse in this measure.
If you have a better free source, I am all ears.
Ash
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 (20min delay)
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Last
30.5¢ |
Change
0.000(0.00%) |
Mkt cap ! $219.1M | |||
| Open | High | Low | Value | Volume |
| 31.0¢ | 31.0¢ | 30.0¢ | $34.78K | 113.8K |
Buyers (Bids)
| No. | Vol. | Price($) |
|---|---|---|
| 29 | 1069880 | 30.0¢ |
Sellers (Offers)
| Price($) | Vol. | No. |
|---|---|---|
| 30.5¢ | 83705 | 12 |
View Market Depth
| Last trade - 10.39am 01/08/2025 (20 minute delay) ? |
| A1M (ASX) Chart |