My math is wrong for total number of units of currency. It should be 2.1 * 10^15, which is 2.1 quadrillion. At the height of the financial crisis the notional v

My math is wrong for total number of units of currency. It should be 2.1 * 10^15, which is 2.1 quadrillion. At the height of the financial crisis the notional value of all Credit Default Swaps was ~640 trillion.