Board Topic: 12-MTA
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12-MTA

Posted by: found50 Dec 21 2004, 04:05 PM
I am considering an Option-ARM mortgage based on the 12-MTA. What causes the 12-MTA to rise and fall? How can I watch the indicator and stay on top of the 12-MTA?

Everything I have read so far just talks about how stable it is, but not what effects the rise and fall. AND, I keep reading that the 12-MTA hasn't changed more than .25% in a single month for the last ten years...but even IF that remained the same, there is a possibility of it rising by 3% total in a year, that is scary...

I am hoping to understand what effects it and TRY to perdict/gauge the future laugh.gif

Posted by: The Fox Dec 21 2004, 05:29 PM
http://www.marcoislandmortgage.com/12MTA%20index.htm shows a little info, but nothing you probably haven't been hit over the head with already... wink.gif

Not my area, but from what I've read, this is based on the trailing average of 1-yr Treasuries. To answer your question directly, the index rate will rise as the yields on 1-yr Treasuries rise. The rise will take place slowly, since you are using the last 12 months of data to base your rate. As such, the rate will also fall slowly (much slower than a traditional ARM). That's the curse and blessing of the trailing average.

Hope this helps. Please feel free to clarify if I missed your question! biggrin.gif

Posted by: The Fox Dec 21 2004, 05:42 PM
Also, see LUs commentary on ARMs in the thread "Option-Arm????"

Posted by: found50 Dec 28 2004, 12:21 AM
Thanks smile.gif

So I guess from what I am seeing, this loan could rise as much as 3% (worst case) in one year (judging by historical changes of .25% a month)???

But what can a regular person watch for to indicate future rise, say a year of two out?
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