缩减国债投资每月60亿起步，每3月增加60亿，直到每月300亿。
缩减房贷债劵每月40亿起步，每3月增加40亿，直到每月200亿。
• The Committee intends to gradually reduce the Federal Reserve's securities holdings by decreasing its reinvestment of the principal payments it receives from securities held in the System Open Market Account. Specifically, such payments will be reinvested only to the extent that they exceed gradually rising caps.
○ For payments of principal that the Federal Reserve receives from maturing Treasury securities, the Committee anticipates that the cap will be $6 billion per month initially and will increase in steps of $6 billion at three-month intervals over 12 months until it reaches $30 billion per month.
○ For payments of principal that the Federal Reserve receives from its holdings of agency debt and mortgage-backed securities, the Committee anticipates that the cap will be $4 billion per month initially and will increase in steps of $4 billion at threemonth intervals over 12 months until it reaches $20 billion per month.
缩表是FED对美国经济负责的举措，结果会使国债和房贷债劵利率上涨，如果因FED的缩减买卖双方失去平衡。利率上涨会进一部使得美国债高筑，难以还清。为什么FED选择缩表而不加息，是个疑问。
