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THE BOOK--Playing The Percentages In Baseball

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Monday, June 27, 2011

Refinancing mortgages

By Tangotiger, 02:38 PM

Let’s say that every time you can get a 0.25% points drop in your mortgage rate, you breakeven in terms of refinancing (refinance charges cancels out the improved rate).  So, you start at 6% interest rate, and you refinance to 5.75%.  It’s breakeven.  Then you refinance at 5.50%. You breakeven.  And on and on, and here you are, now at 4% interest.  And you still owe as much over the life of the mortgage than if you didn’t refinance at all.

You could instead wait for a 0.5% drop.  And refinance every time there’s that amount of a drop.  You’ll get a net positive.  And by the time you are at 4%, it would be the same as if you did a single refinance when it went from 6% drop to 5% drop.

What I am interested therefore is if someone has run simulations based on various time periods to see the optimal point at which you should refinance.

And please, no “it depends”.  I know “it depends”.  Everything in life “it depends”.  Just state your various assumptions so you can give us some answers.

(12) Comments • 2011/06/29 • Blogging
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June 27, 2011
Refinancing mortgages