Vorzaw,Its the after market auction that determines the closing price at approximatel 4:10pm.Refer to my post below that links to the ASX website that explains how it all works:HOTCOPPER LINK
CUF CuFe sells its Crossroads gold royalty to Northern Star for $4M cash; says better than waiting for mine launch
Week 46 Wrap: Copper hits 2mth low as Trump threatens net zero pace; US rally fades; HotCopper’s picks