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Quiz Instructions (Principal-Only MBS and Interest-Only MBS) Suppose we construct principal-only (PO) and interest-only (IO) mortgage-backed securities (MBS) using the mortgage pass-through of the previous

image text in transcribedimage text in transcribedQuiz Instructions (Principal-Only MBS and Interest-Only MBS) Suppose we construct principal-only (PO) and interest-only (IO) mortgage-backed securities (MBS) using the mortgage pass-through of the previous questions. Assume a prepayment multiplier of 100 PSA. What is the present value of the PO MBS if we use an annual risk-free rate of 4.5% to value the cash-flows? Submission Guideline: Give your answer in millions rounded to two decimal places. For example, if you compute the answer to be $123,456,789,12, submit 123.46. Enter answer here

Quiz Instructions (Principal-Only MBS and Interest-Only MBS) Referring to the previous question, what is the value of the IO MBS? Submission Guideline: Give your answer in millions rounded to two decimal places. For example, if you compute the answer to be $123,456,789,12, submit 123.46. Enter answer here

Quiz Instructions (Principal-Only MBS and Interest-Only MBS) Referring to the previous question, what is the average life of the IO MBS? Submission Guideline: Give your answer in years rounded to two decimal places. For example, if you compute the answer to be 12.1234 years, submit 12.12. Enter answer here .

Quiz Instructions (Principal-Only MBS and Interest-Only MBS) Suppose now that you purchased the IO MBS of the previous question and that the price you paid was the same price that you calculated in the previous question. The risk-free interest rate suddenly changes from 4.5% to 3.5%. Everything else stays the same. How much money have you made or lost on your investment? Submission Guideline: Give your answer in millions rounded to two decimal places. For example, if you compute the answer to be $123,456,789,12, submit 123.46. Enter answer here

. Quiz Instructions (Principal-Only MBS and Interest-Only MBS) Referring to the previous question, suppose the risk-free interest rate suddenly changes from 4.5% to 3.5% and that the pre-payment multiplier changes from 100 PSA to 150 PSA. How much money have you made or lost on your investment in the IO MBS? Submission Guideline: Give your answer in millions rounded to two decimal places. For example, if you compute the answer to be $123,456,789,12, submit 123.46.

I have excel file for this. but how to share here?

Fitting the Term-Structure of Zero Bond Prices in the Black-Derman-Tov Model Year 11 4 Market Spot Rates 7.3 7.62 8.1 8.45 9.2 9.64 10.12 10.45 10.75 11.22 11.55 11.92 12.2 12.32 7.30 7.90 S.9S 9.37 12.01 57 12.66 12.35 12.66 14.86 4.18 15.2 4.71 3.02 0.01 0.5 0.5 10 Short Rate Lattice 11 10 11 12 13 12 13 14,83 13 12 16.58 14.68 11 16.98 16.42 14,53 15.67 16.81 16.25 14.39 10 16 16.26 15.51 6.65 16.09 14.25 13.72 16.09 15.36 16.48 15.93 14.10 18 13.24 13.58 15.93 15.20 6.32 15.77 13.96 19 13.44 13.11 13.45 15.78 15.05 16.16 15.6 13.S2 12.17 13.31 12.98 3.31 15.62 14.90 15.99 15.46 3.69 21 12.50 12.05 13.18 12.85 13.18 15.46 14.76 15.84 15.31 13.55 9.65 12.3S 11.93 13.04. 12.72 3.05 15.3 14.61 15.68 15.15 13.42 9.16 9.55 12.25 11.S1 12.92 12.60 12.92 15.16 14.46 15.52 15.00 13.28 7.98 9.07 9.46 12.13 11.69 12.79 12.47 12.79 15.0 14.32 5.37 14.85 13.15 12 n? ZCB options Bond Forward+ Futures Caplets Swaps Swaptions Elementary Prices BDT BDT b .005 BDT b .01 Fitting the Term-Structure of Zero Bond Prices in the Black-Derman-Tov Model Year 11 4 Market Spot Rates 7.3 7.62 8.1 8.45 9.2 9.64 10.12 10.45 10.75 11.22 11.55 11.92 12.2 12.32 7.30 7.90 S.9S 9.37 12.01 57 12.66 12.35 12.66 14.86 4.18 15.2 4.71 3.02 0.01 0.5 0.5 10 Short Rate Lattice 11 10 11 12 13 12 13 14,83 13 12 16.58 14.68 11 16.98 16.42 14,53 15.67 16.81 16.25 14.39 10 16 16.26 15.51 6.65 16.09 14.25 13.72 16.09 15.36 16.48 15.93 14.10 18 13.24 13.58 15.93 15.20 6.32 15.77 13.96 19 13.44 13.11 13.45 15.78 15.05 16.16 15.6 13.S2 12.17 13.31 12.98 3.31 15.62 14.90 15.99 15.46 3.69 21 12.50 12.05 13.18 12.85 13.18 15.46 14.76 15.84 15.31 13.55 9.65 12.3S 11.93 13.04. 12.72 3.05 15.3 14.61 15.68 15.15 13.42 9.16 9.55 12.25 11.S1 12.92 12.60 12.92 15.16 14.46 15.52 15.00 13.28 7.98 9.07 9.46 12.13 11.69 12.79 12.47 12.79 15.0 14.32 5.37 14.85 13.15 12 n? ZCB options Bond Forward+ Futures Caplets Swaps Swaptions Elementary Prices BDT BDT b .005 BDT b .01

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