风险投资组合中的加权平均偿还期，考虑到所有提前偿付的抵押贷款、卖权和可调整债券。
A weighted average of the maturities of the bonds in a portfolio, taking into account all mortgage prepayments, puts, and adjustable coupons.
风险投资组合中的加权平均偿还期，考虑到所有提前偿付的抵押贷款、卖权和可调整债券。
A weighted average of the maturities of the bonds in a portfolio, taking into account all mortgage prepayments, puts, and adjustable coupons.
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