market price of copper
Refers to the current trading price of copper as a commodity, often used in economic or industrial contexts.
The market price of copper is soaring.
Fluctuations in the copper market price affect construction costs.
銅 is the metal copper itself, whereas 銅相場 is its market price.
Compound of 銅 (どう, 'copper') and 相場 (そうば, 'market price').