I've once heard that a typical barrel of oil trades hands (ownership) 30 times before it makes it into your gas tank. 20 of those times nothing is transported,

I've once heard that a typical barrel of oil trades hands (ownership) 30 times before it makes it into your gas tank. 20 of those times nothing is transported, refined, added... Meaning it was pure speculation buy/sells. And when you remove that speculation, prices go down 50%.