“While the point is critical, what we would like to highlight in the chart below is the staggering amount of debt instruments owned by central banks: as of the latest data, central banks own just over a third of the global tradable bond universe of $54 trillion, or roughly $18 trillion. How this amount of debt on bank balance sheets is ever unwound, i.e. sold – even with central banks’ best intentions – without crashing the bond market, we don’t know.”