Kuyambira kumayambiriro mpaka kumapeto kwa mwezi uno, COMEXmkuwatsogolo latsika ndi 3.68 % mpaka pano mwezi uno koma kukwera 7.03 % mpaka pano chaka chino, kuwonetsa chiyembekezo chakuchira kwachuma kutsatira kuchepetsa ku China kwa ziletso za mliri komanso momwe zitsulo zimafunikira. Mtengo wotseka wa Lachinayi udali wotsika ndi 8.55% kuposa chaka chapitacho ndi 17.65% kutsika kwake kwanthawi zonse $4.929 mu Marichi 2022.

Onani msika wakunja, mtengo wamkuwa wa Epulo, chinthu chomwe chimagulitsidwa kwambiri pa Shanghai Futures Exchange, chidatsika 470 yuan kuti chitseke pa 70,220 yuan tonne Lachinayi. Bonded Copper Adagwa 490 yuan mpaka 62,660 yuan tonne mu Epulo ku Shanghai International Energy Exchange (INE).