Putting these ratios make use of in the metal markets we can observe that gold, platinum and copper supply all retreated by approximately 38% from their all time highs made in 2011. Platinum has retreated by a third, copper by 36% and gold by 39%. Silver, because your outlier has retreated by 63%, almost stopping exactly at the .62 relation. The depth of silver's decline also helps it hold its crown as the most speculative and volatile from the metals.
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