Take a look at the black arrow on the chart. It's not a straight line, but rather, a parabola. If it were a straight line, the gold price would be rising at the same rate. But because it is a parabola, gold is rising at an ever greater rate. Gold is in an exponential upward trend. This is exactly the pattern that you see when a currency is heading toward hyperinflation, and this chart shows all four currencies headed that way.
James Turk - One Of The Most Important Gold Charts Ever
Federal Reserve Bank of New York: Staff Report No. 574 October 2012 - "The Forward Guidance Puzzle" Dynamic Stochastic General Equilibrium Model Predicts Explosive Inflation - The Outcome Is Hyperinflation
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Deutsche Bank Report - Gold: Adjusting For Zero