n-year zero-coupon bond yield, also known as the internal rate of return of the zero-coupon bond. A zero curve is a special type of yield curve that maps interest rates on zero-coupon bonds to different maturities across time.

Constructing a zero - coupon yield curve, treasury Today
The construction of a zero - coupon yield curve by the method

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To derive this rate we observe that the theoretical price of a bond can be calculated as the present value of the cash flows to be received in the future. The cut-off time for daily"tion of T-bills and Government bonds is 16:00. The curve is calculated on a real time basis as trades are executed. Once you construct these curves, you can then use them to derive other curves such as the forward curve and to price financial instruments. 1C_ncdot Delta _1cdot df_1C_ncdot Delta _2cdot df_2C_ncdot Delta _3cdot df_3cdots (1C_ncdot Delta _n)cdot df_n therefore df_n(1-sum _i1n-1C_ncdot Delta _icdot df_i) over (1C_ncdot Delta _n) (this formula is precisely forward substitution ) where Cndisplaystyle C_n is the coupon rate of the n-year bond idisplaystyle Delta. In the case of swap rates, we want the par bond rate (Swaps are priced at par when created) and therefore we require that the present value of the future cash flows and principal be equal to 100.

As there are no intermediate payments on this bond, (all the interest and principal is realized at the end of n years) it is sometimes called the n-year spot rate. Note that some analysts will instead construct the curve such that it results in a best-fit "through" the input prices, as opposed to an exact match, using a method such as Nelson-Siegel. General methodology edit, analytic Example: Given:.5 year spot rate, Z1 4, 1 year spot rate,.3 (we can get these rates from T-Bills which are zero-coupon, and serve as discount factors). A generically stated algorithm for the third step is as follows; for more detail see Yield curve#Construction of the full yield curve from market data. The highlighted rows are synthetic" statistics. The above yields are based upon average bids"d by primary dealers, after 15 data cut-off from top and bottom when ranked by value. Spreads (bp) are differences bid and offer yields. The general methodology is as follows: (1) Define the set of yielding products - these will generally be coupon-bearing bonds; (2) Derive discount factors for the corresponding terms - these are the internal rates of return of the bonds; (3) 'Bootstrap' the zero-coupon curve, successively.