Apr. 9, 2015,
http://www.mining.com/annual-gold-trade-reaches-22-trillion/
A new report by Thomson Reuters GFMS shows that it is one of the most leveraged financial markets with trading volumes many multiples of annual mine output.
Global trading volumes in 2014 was three times more than the 183,600 tonnes of the precious metal that have been produced in human history.
At an estimated $22 trillion trading value per year, the gold market dwarves turnover on the Dow Jones Industrial Index and that of the S&P 500 combined, German and UK government bonds and even some of the top currency pairs.
The volumes of gold transferred in 2014 as reported by London Bullion Market Association clearing members, totalled approximately 157,000 tonnes, with a value of $5.9 trillion.
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(Entire article is at the link.)
(Are these people insane? Zim.)