Fixed Income Question

I have a question around fixed income and a calculation. Say there is $100,000,000 in cash and the 10-Year Treasury duration is 7.5 years. How many 10-Year Treasury securities would you need to purchase to get to a duration of 4? 

Any help is appreciated!

3 Comments
 

What is it about this that you are struggling with? Make sure you are thinking about this as a portfolio - $100mm total, invested in two assets (cash and treasuries), with durations of 0 (cash) and 7.5 (treasuries) - where the target, when you weight it in proportion, to have duration be 4. 

That help?  

 

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