From ZeroHedge:
HFT Has Disconnected Commodities From Fundamentals
...The number of Ticks (trades) has risen exponentially faster than the volume - as the black (ratio) line indicates - for WTI in this case....MORE, including the UNCTAD paper
And on a rolling 5-minute correlation basis - it is abundantly clear that there has been a regime shift in the relationship between US equities and WTI (in this example)..
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