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Today, the first of the year, my average age of accounts went from 3 yrs 5 mos to 3 yrs 6 mos on Experian site. No other changes detected.
FICO 2 +4.
No changes in FICO 8, Auto 8, or Bankcard 8.
Confirming that mortgage scores are more sensitive to age factors.





























Cool. It seems that half-year AAoA thresholds are a thing. I know for certain 6.5 years is.
SJ, you may want to revise your thread title, as it suggests months and not years. The real shift here is 41 months --> 42 months, of course.
@Anonymous wrote:Cool. It seems that half-year AAoA thresholds are a thing. I know for certain 6.5 years is.
SJ, you may want to revise your thread title, as it suggests months and not years. The real shift here is 41 months --> 42 months, of course.
Yes that half year does appear to be a thing.
Thanks for catching the typo in my heading @Anonymous





























Have you seen score improvements at the whole number (non-half) years? The only 2 that I've crossed since finding this forum are the 6 year and 7 year marks, where I did not see score improvements... but I did at 78 months (6.5 years).
@Anonymous wrote:Have you seen score improvements at the whole number (non-half) years? The only 2 that I've crossed since finding this forum are the 6 year and 7 year marks, where I did not see score improvements... but I did at 78 months (6.5 years).
I've never had the capacity I have now to connect a score change and a report change. In the past I wouldn't have known for sure if crossing a whole number year mark was or was not a score changer. I did have a sense that 3 years was a milestone, though.





























There was a boundary on FICO 04 (EQ FICO 5 explicitly) at the 2 year mark. I found that pretty concretely: went above, spreed below, went above again on a dirty scorecard (no new account penalty there). Same score shift each time, uber clarity frankly.
I did not see similarly at 3 or 4 years though that last one wasn't really tested awesomely, went across the boundary and all my scores that I had access to stayed flat.
We've always figured it was on whole year boundaries historically, but admittedly nothing says that it should be. I don't quite know how to determine it's AAOA though other than maybe reason code rejiggering: how was the datapoint found and what explicitly suggests "This is AAOA!"

Do we know if there are FICO reason statements that are specific to just one of the 3 age of accounts factors? For example, I get the one pictured below, but it references both AAoA and AoOA in the description. That being said, even if this factor were to switch on the 1st of the month from (say) the #2 to the #3 position, I would think it would be impossible to isolate whether it was AAoA increasing by 1 month or AoOA increasing by 1 month... or AoYA even, if not with this reason statement perhaps another?
I'm not entirely sure. I lost the old TU reason codes I had with the myFICO monitoring unfortunately but historically there's been a separate:
1) New Account
2) Short Credit History
And then there's length for revolver and installment tradelines on FICO 8 at least.
That said, reason codes are not 1:1 consistent and it's possible FICO 8 conflated the two; actually according to a recent myFICO report too to confirm your pit, Short Credit History is AAOA and AOOA but I've seen a few errors in the verbage there over time though I suspect this isn't one of them.
I have to go look at historical reports and see if I can find a FICO 8 New Account reference: I don't see that on the FICO 8 industry options for Experian and my file is clean enough there that I would've expected a major thing like it is in other models to show up.

I just went from 3.6 to 3 with one account recently opened on AAoA. Moving 5.5K via BT to a new account, parking it temporeraly at 55% UTI for the account it selft and <9% UTI overall. Went up 32 avg, then 27 avg point drop across the board once acc reported.
Clean File. Slightly lessthan 7Y on oldest reported credit line.
@Revelate wrote:I'm not entirely sure. I lost the old TU reason codes I had with the myFICO monitoring unfortunately but historically there's been a separate:
1) New Account
2) Short Credit History
And then there's length for revolver and installment tradelines on FICO 8 at least.
That said, reason codes are not 1:1 consistent and it's possible FICO 8 conflated the two; actually according to a recent myFICO report too to confirm your pit, Short Credit History is AAOA and AOOA but I've seen a few errors in the verbage there over time though I suspect this isn't one of them.
I have to go look at historical reports and see if I can find a FICO 8 New Account reference: I don't see that on the FICO 8 industry options for Experian and my file is clean enough there that I would've expected a major thing like it is in other models to show up.
Right after my newest HELOC started reporting a few months ago, I saw...
...on both TU 8 (via the MyFICO alerts that happen to include TU reason codes even at 800+) and EX 8 (via Amex that includes two reason codes up to 849). No access to EQ reason codes for any FICO 8 Classic/BC/Auto variant due to 800+/850+ reason code supression.
AAoA 8/9 years (depending AU inclusion/exclusion), AoOA 22 years.