The SDR is no different to the basket of currencies that the Chinese Yuan is already measured and floating (higher)against; interest rates based on the currencies within the basket and short term debt of those currencies, ie it's a means of governments allocating capital and not a realistic alternatives for individuals on an international basis, looking for alternatives to 0%-2% interest rates on domestic currencies, (eg Yen carry trade), for what could turn out to be an extended period of economic down turn.
Silver at $13.00-$14.00 is on a low not a high based on historical precident, and an artificial paper market. Real take up is largely industrial, individuals invested in the metal are unlikely to unload at this price level, and stocks are barely off the floor
IMO