The extra $ 200,000,000,000 is not due to the passage of a day. The current front page of http://www.nytimes.com/ includes
Fed’s Move Still Shaking Up Markets By JACK HEALY 20 minutes ago The Fed’s decision to inject $1 trillion into the economy pushed the price of government bonds higher and dragged down the value of the dollar.
The figure is 1 trillion 50 billion dollars in long or longer term bond purchases, the only problem is that all the announcement does is frighten me as a bond investor to sell long positions immediately though investors have been steadily selling for months.
If Krugman is right the fed will fail to end the liquidity trap for quite a while, but caution is to continue to reduce portfolio durations from here.
The Vanguard GNMA portfolio duration is 1.8 years.