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WAL is a mean, while "50% of the principal repaid" is a median; see difference between mean and median. Since principal outstanding is a concave function (of time) for a flat payment amortizing loan, less than half the principal will have been paid off at the WAL. Intuitively, this is because most of the principal repayment happens at the end.
In finance, maturity or maturity date is the date on which the final payment is due on a loan or other financial instrument, such as a bond or term deposit, at which point the principal (and all remaining interest) is due to be paid. [1] [2] [3] Most instruments have a fixed maturity date which is a specific date on which the instrument matures ...
The spread between the LIBOR (or swap) rate and the government bond yield of similar maturity is usually positive, meaning that private borrowing is at a premium above government borrowing. This spread is a measure of the difference in the risk tolerances of the lenders to the two types of borrowing.
In finance, a bond is a type of security under which the issuer owes the holder a debt, and is obliged – depending on the terms – to provide cash flow to the creditor (e.g. repay the principal (i.e. amount borrowed) of the bond at the maturity date as well as interest (called the coupon) over a specified amount of time. [1])
Expression (3) which uses the bond's yield to maturity to calculate discount factors. The key difference between the two durations is that the Fisher–Weil duration allows for the possibility of a sloping yield curve, whereas the second form is based on a constant value of the yield , not varying by term to payment. [10]
The valuation of swaptions is complicated in that the at-the-money level is the forward swap rate, being the forward rate that would apply between the maturity of the option—time m—and the tenor of the underlying swap such that the swap, at time m, would have an "NPV" of zero; see swap valuation. Moneyness, therefore, is determined based on ...
The Interpolated Spread, I-spread or ISPRD of a bond is the difference between its yield to maturity and the linearly interpolated yield for the same maturity on an appropriate reference yield curve. The reference curve may refer to government debt securities or interest rate swaps or other benchmark instruments, and should always be explicitly ...
When a new security is issued, becoming the new on-the-run security, buying the new contract and selling the old one is called rolling the contract.. A convergence trade involves the difference in price between the on-the-run and the most recent off-the-run instrument: for long tenors, these are virtually the same instrument, and in any event, an on-the-run instrument becomes off-the-run upon ...