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I am a mortgage professional. I have worked as a licensed broker and an institutional loan officer. In light of the current state of affairs in the housing market, I have come to believe that there is a general lack of understanding in how Adjustable Rate Mortgages actually work. I have written the proceeding explanations based on my knowledge of the past and current mortgage market. As I am in California, I have used examples of products that are available here. Your state may have variations, but I believe the core principles apply. Always consult a knowledgeable advisor when making any decisions about your specific mortgage management strategy.
There are several types of "ARM" mortgages. The most common is the "Fixed Rate ARM", usually executed as a 3, 5, 7, or 10 year fixed rate term. These loans are typically indexed to the MTA, LIBOR or CMT indexes. The adjustment happens at the end of the "fixed" term, and is usually a 1 year adjustment, "fixing" the new rate at the current index value plus a preset margin. There have been abuses using these types, typically with the so called 2-28s and 3-27s, where the borrower is given a "prepayment" penalty that exceeds the fixed rate period, and are "trapped" when the adjustment happens. These loans were often used in the so-called "Sub-Prime" market, and enabled borrowers that would not qualify on a normal home to purchase. However, based on the homeowners needs, the regular ARM loans can be a valuable mortgage management strategy as the interest rates are typically lower than the traditional 30 year fixed.
The second type of ARM, is the "One Month" type, and as the name implies they can ad do adjust every month according to the value of the index they are tied to. These loans typically have a significantly lower rate than the 30 year fixed, and as a mortgage strategy are used in a "bridge" scenario where the borrower anticipates either selling or refinancing the property quickly. The obvious drawback to this type of mortgage is the volatility of the market, and the possibility for a rapid increase in the rate and corresponding payment. These loans are really for the savvy borrower, to be used as a mortgage management strategy. Again, these loans were abused and a lot of first time home buyers were placed in these loans as a way to qualify for more than they could afford.
The last type of ARM is the so-called "Option ARM" or "Pick-a-Pay" loan. These loans are without a doubt the most misunderstood, and abused loan in the mortgage industry. Without going into the history of this loan's development, basically what these loans offer is four different payment options. The first being a 30 year amortized payment, the second a 15 year amortized, the third an interest only an the fourth a "Minimum Payment" Let me break these down:
"30/15 year Amortized" - This payment is calculated using the "fully indexed" rate (The "Index" the loan is tied to plus the preset "fixed" margin) and amortizing it over a 30/15 year period. This so-called “fully indexed’ rate is the real interest rate that is accruing against the unpaid principal balance. This feature of the loan is where a lot of people came to believe, either through deceit on the part of the loan agent or ignorance on their part, that they had a 30/15 year fixed loan.
“Interest Only” – Pretty straight forward, the payment is calculated using the “fully indexed” rate multiplied by the current principal balance and dividing by twelve. This is the same way a “fixed rate” ARM interest only payment is calculated. The difference is that the “fully indexed” rate will change month-to-month depending on what the “index” is at.
“Minimum Payment” – Okay, here we go. This option is what most people don’t understand and what has gotten most people into trouble. Essentially this payment is pulled out of thin air, and has no relationship to the “fully indexed” rate at all. What the lender does is to come up with an arbitrary interest rate, let’s say 1%, and apply that rate to the original loan amount, amortizing it over 30 years. This results in a situation called “negative amortization” as the “minimum” payment does not meet the interest that is accruing at the “fully indexed’ rate. In the early months of the loan, this difference is not too large, so a lot of people miss the fact that their principal balance is growing. Continued use of the minimum payment however, increases the principal balance, and the corresponding interest accrued against the principal balance.
The minimum payment has some “safety” features (although who exactly is getting the “safety" is debatable). First, the minimum payment can adjust every year to a maximum of 7.5% of the original payment amount (to attempt to minimize the negative amortization) and second, there is usually a principal balance limit of 110% of the original loan amount before the entire principal balance is “recast” into a straight 30 year fixed loan.
The minimum payment feature is a useful tool for cash flow (a lot of investors used this loan), and in a rising market is an attractive feature. In a declining market, obviously the increase in principal balance and the decrease in home value can eat up a lot of equity, so again, this type of loan should be considered after careful examination of the transaction. Unfortunately, this was not the case in many instances, and a lot of people used this loan to qualify for property that they could not really afford, and some bought speculating that their property would appreciate enough to cover the increase in principal balance.
I hope this give you a little better understanding of Adjustable Rate Mortgages, and how they are used.
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