cwl, maybe the dmi indicator perhaps offers a way of telling the difference. It goes something like this.. when the demand power rise exceeds the supply pressure decline then the difference may show the proportion of genuine buying eg if demand power rises 10 and supply pressure declines 5, then genuine buying exceeds short covering? Not too sure, saw it worked out once but didn't follow it realwell. From a tradng perspective,its useful to ride the short covering with a long anyway.
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