Latest Posts
• ## Testing my VBA Mortgage Portfolio Cash Flows

A few weeks ago, I wrote a post called “Valuing a Mortgage Portfolio With Cash Flow Analysis” along with a spreadsheet using VBA to calculate the...
• ## Required Minimum Distribution (RMD)

You can tell that I am running out of ideas to create new spreadsheets. I’m back to creating tax calculators. This one is concerned with...
• ## How much to withdraw from a taxable account (IRA, 401K, etc.)

I added another calculator to the Taxes spreadsheet. The sheet is call “Withdrawals”. It is a simple calculator, but someone might find it helpful. I was...
• ## Valuing a Mortgage Portfolio With Cash Flow Analysis

This Excel spreadsheet could help small to medium size banks, credit unions, and mortgage investors, to evaluate their mortgage portfolio. It could also be used...
• ## MBS Math Formula. Servicing, CPR, Payment Delay, Default Rate & Loss Severity

I have made adjustments to the MBS mega formula that calculates the price of a mortgage-backed security. It now allows for default rates (CDR) and...
• ## Tax Equivalents

In 2014 I wrote a post and Excel workbook called Tax Calculators, in which I described some of the calculations I had run across during my career....
• ## Average Life VBA Function For MBS

This is the fourth  in a series of VBA, User Defined Functions for Mortgage Backed Securities (MBS). The other three are, solve for price given yield ,...
• ## Macaulay Duration VBA Function For MBS (or single loans), Given Market Yield

This is the third in a series of VBA, User Defined Functions for Mortgage Backed Securities. The other two solved for price given yield and...
• ## Market Yield VBA Function For MBS (or single loans), Given Price

If this post looks familiar, it is supposed . My last post was “Market Price VBA Function For MBS (or single loans), Given Yield“. This Excel spreadsheet is...
• ## Market Price VBA Function For MBS (or single loans), Given Yield

I now also have another function to calculate yield given price see: Market Yield VBA Function For MBS (or single loans), Given Price Many of...
• ## Loan Pool Named Formulas, Without An Amortization Schedule

In a recent post I showed math formulas for a pool of mortgages that could calculate any amount, for any month, without an amortization schedule. This...
• ## Market Value Functions for Servicing (MSR), Interest (IO), & Principal (PO)

Last year I posted an Excel workbook with a user defined function that calculated the market value of Mortgage Servicing Rights (MSR). I have taken the same...
• ## When Cash Flows Don’t Match Compounding Periods

In a previous post Simple Formula for Converting Compound Interest Rates and spreadsheet, I showed a conversion formula that allowed the user to convert an interest rate...
• ## Variable Rate Amortization – Day/Year Count & Last Payment Options

Remember to enter dates and rates in yellow cells only. The worksheet is protected, except for the yellow input cells, so you are not tempted...
• ## Solve for return needed for one more period to equal a required APY

Back on September 8, 2015 I had a post call Chained Returns  with an Excel spreadsheet. It was a calculator for chaining together periodic rates...