I was discussing this with someone on Reddit that I believe understands Fico scoring well, and I'm lead to believe that my understanding of the benefit of AU accounts may be incorrect. I always believed that one of the main benefits of an AU account for a new/thin file and one of the main reasons they are recommended/used was because of their positive impact on aging metrics... be it AoOA or AAoA. After all, one of the main points you hear when someone is considering the addition of an AU account is that it should be significantly aged for maximum benefit (aside from being clean, low utilization, etc). The Fico images I saw however clearly state that AU accounts do not impact aging metrics, either AAoA or AoOA. So, if aging metrics aren't impacted by AU accounts, why are they always recommended and with the suggestion to make sure they're aged? If it's not the aging metric benefit, what is the benefit of AU accounts outside of simply being file-thickening and utilization padding? They don't aid "Credit Mix" and near as I can tell they don't hold their own portion of the Amounts Owed slice of the Fico pie, as I haven't seen any "lack of AU account" negative reason codes the way you'd see one for either revolvers or installment loans. Anyone have further insight on this? I feel like I've been living under a rock and that my understanding of AU accounts has been wrong for a very long time if they don't impact aging metrics. What do you all think, Cassie , Saeren , Justaguy , Beefy ,etc? I'll post a cut and paste from the rest of the theory that the Reddit user I was speaking to had in the next post below:
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Re: AU accounts do not impact aging metrics?

17 of 27
8 months ago
Fri Jan 26, 2024 1:41 am
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Cassie
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BrutalBodyShots wrote: Fri Jan 26, 2024 1:29 am
Beefy wrote: Thu Jan 25, 2024 6:04 pm The MyFICO app clearly states it Rowdy is usually pretty knowledgeable
Right, I agree. My question then is why do we (us credit people in general) always recommend that one of the attributes of an AU card being considered is that it's significantly aged? If it doesn't impact aging metrics as those images clearly state, have we just all wrongly believed that an AU account impacts aging metrics when all along they haven't?
I'm starting to think it's all about number of accounts and perhaps the number of on-time payments on those accounts. On-time payment history only goes back 24 months, of course, but that's still a lot on its own. There are at least reason codes for a lot of the characteristics an added account would positively affect. There could be a thin/thick scorecard change as well, after which there would be diminishing returns. Maybe even negative affects with too many AUs, triggering the 'too few or too many cards' code?
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Re: AU accounts do not impact aging metrics?

18 of 27
7 months ago
Fri Jan 26, 2024 6:17 am
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Dinosaur
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BrutalBodyShots wrote: Fri Jan 26, 2024 1:37 am Thank you for taking the time to reply and offer some perspective on this topic, @Slabenstein ! Everyone else that has replied so far, @Cassie , @Beefy and @Saeren, what do you think about @Slabenstein's take on that image that states AU aging metrics are not included?
There has been some interesting concepts and conjecture here. You keep driving yourself crazy (at least we will know where you are) while we head for the Pub and some tall cool one's :doh:
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Re: AU accounts do not impact aging metrics?

19 of 27
7 months ago
Fri Jan 26, 2024 3:46 pm
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Beefy
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BrutalBodyShots wrote: Fri Jan 26, 2024 1:37 am Thank you for taking the time to reply and offer some perspective on this topic, @Slabenstein ! Everyone else that has replied so far, @Cassie , @Beefy and @Saeren, what do you think about @Slabenstein's take on that image that states AU aging metrics are not included?
I think while a compelling argument Slab is wrong. Whether that blurb is there or not, one could still easily do pen testing to see what goes through and what doesn’t. My other issue with it is, that it is a definitive statement. “Are not”. Typically the CRAs or MyFICO couch everything they say in a slew of non-definitive phrases “could, may, tend, might” even when they imply for example closing your oldest account is bad they neglect to mention that effect is not realized for a decade for them to outright lie about the effect of AU accounts would be fraud. So that means AU accounts minus the abuse algorithm filtered accounts have an effect, and that they are wholly separate even if identical to the metrics we are used to seeing. Or maybe an intern screwed up and no one has caught it yet.
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Re: AU accounts do not impact aging metrics?

20 of 27
7 months ago
Sat Jan 27, 2024 6:57 pm
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Dinosaur
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BrutalBodyShots wrote: Fri Jan 26, 2024 1:37 am Thank you for taking the time to reply and offer some perspective on this topic, @Slabenstein ! Everyone else that has replied so far, @Cassie , @Beefy and @Saeren, what do you think about @Slabenstein's take on that image that states AU aging metrics are not included?
A shot in the dark ... is there any opportunity for the financial that issued the AU Card to "code" it in their credit reporting that might affect the AU Card scoring effect?
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Re: AU accounts do not impact aging metrics?

21 of 27
7 months ago
Mon Jan 29, 2024 10:30 am
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Slabenstein
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Slabenstein has passed the 24 month threshold and is completely inquiry free!
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Dinosaur wrote: Sat Jan 27, 2024 6:57 pm
BrutalBodyShots wrote: Fri Jan 26, 2024 1:37 am Thank you for taking the time to reply and offer some perspective on this topic, @Slabenstein ! Everyone else that has replied so far, @Cassie , @Beefy and @Saeren, what do you think about @Slabenstein's take on that image that states AU aging metrics are not included?
A shot in the dark ... is there any opportunity for the financial that issued the AU Card to "code" it in their credit reporting that might affect the AU Card scoring effect?
The only thing an FI can report that has to do with being AU is the ECOA responsibility code, one of the options for which is authorized user.
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Re: AU accounts do not impact aging metrics?

22 of 27
7 months ago
Mon Jan 29, 2024 5:02 pm
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Kill1nTime
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There must be some metric in an AU account that affects this.

I can run simulators for mortgage loans, using FICO Ver 2 and have been accurate with every observed result (sim vs actual).

If I build a new profile using this.. Adding an AU cc account 2000 limit, 100 balance.. and play with just the date the account initially opened from the actual cardholder, I get :

1 month - no score
1 year - 737 score
2 years - 761 score
3 years - 765 score

VS3 does show AAoA using AU accounts .. I put my kid on my 25 yr old Cap One card and this was his AAoA as well. He was also able to get a brand new car through Honda Finc . $26k w/ $4k down with this as his only piece of credit. Unsure of what that score was.. but assume some type of automated process through Honda approved this.

I have been able to get home loans based on someone having one AU card with a great score as their only piece of credit. Granted, the AUS (Automated Underwriting System) from either Freddie or Fannie must show the account(s) are accepted as-is and dont require anything further. If credit would need to be verified, it would kick it into needed 2 lines for 12 months on bureau , and AU accounts need verified paid by the AU for 12 months .

I dont know the answer to your question, but there is definitely something there. I noticed that systems that heavily rely on some type of automated descision , will approve someone with this scenario. It pisses me off being in the loan world that a young kid with no history can get a better rate based on an inflated AU score than someone with a lower score but much, much less risk.
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Re: AU accounts do not impact aging metrics?

23 of 27
7 months ago
Mon Jan 29, 2024 8:40 pm
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Beefy
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@BrutalBodyShots @Cassie @Slabenstein So we actually had a visitor on here post a message contradicting the tool tip on myFICO. Single AU account list on EX with aging metric mirroring it exactly… viewtopic.php?t=1455 Image So CMS fluff or is fico flat out wrong?
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Re: AU accounts do not impact aging metrics?

24 of 27
7 months ago
Mon Jan 29, 2024 9:10 pm
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Cassie
DeveloperLoves long talks on the beach
Cassie has been gardening for over 2 years.
Level54 Last INQFriday, February 14, 2020 Gardening For4 years, 6 months, 24 days, 20 hours, and 45 minutes Next Level in6 days, 3 hours, and 15 minutes on September 14th INQ 1yr onSunday, February 14, 2021 INQ 1yr reached3 years, 6 months, 24 days, 20 hours, and 45 minutes ago INQ 2yr onMonday, February 14, 2022 INQ 2yr reached2 years, 6 months, 24 days, 20 hours, and 45 minutes ago
Beefy wrote: Mon Jan 29, 2024 8:40 pm [Quoted post had an image here.] So CMS fluff or is fico flat out wrong?
I think it's just the CMS calculating the aging metrics based on opening date alone. Obviously, some AU bankcard account characteristics are weighted differently than regular bankcard accounts. My friend has a 790 EX8/TU8 (both the same) score at 2y6m with a single, regular BofA bankcard on her clean file.
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Re: AU accounts do not impact aging metrics?

25 of 27
7 months ago
Mon Jan 29, 2024 9:13 pm
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Cassie
DeveloperLoves long talks on the beach
Cassie has been gardening for over 2 years.
Level54 Last INQFriday, February 14, 2020 Gardening For4 years, 6 months, 24 days, 20 hours, and 45 minutes Next Level in6 days, 3 hours, and 15 minutes on September 14th INQ 1yr onSunday, February 14, 2021 INQ 1yr reached3 years, 6 months, 24 days, 20 hours, and 45 minutes ago INQ 2yr onMonday, February 14, 2022 INQ 2yr reached2 years, 6 months, 24 days, 20 hours, and 45 minutes ago
Kill1nTime wrote: Mon Jan 29, 2024 5:02 pm There must be some metric in an AU account that affects this. I can run simulators for mortgage loans, using FICO Ver 2 and have been accurate with every observed result (sim vs actual).
Welcome, @Kill1nTime , and thank you for the data points!
Cassie
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Re: AU accounts do not impact aging metrics?

26 of 27
7 months ago
Tue Jan 30, 2024 12:12 pm
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Justaguy
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Post was altered.
Last edited by Justaguy on Wed Jan 31, 2024 12:28 pm, edited 1 time in total.
I’m a little late to the party, but I appreciate BBS’s invitation.

I did a small bit of testing with AUs a year or two ago and in the course of that I noticed the declarations that motivated this thread. It’s puzzling. I think the Reddit person (Rowdy?) may be right about the proxy bit. That’s consistent with what I see on the AU AZ penalty. What I mean is that AU accounts seem to exist in parallel to regular accounts, giving a second opportunity to gain and lose points in whatever bit of code does the AZ penalty (and maybe some others, like thin/thick segmentation) but without triggering negative reason codes.

I’m inclined to accept as true the myFICO statements that AUs don’t contribute to AAoA or AoOA, with one caveat: perhaps they are only talking about newer scoring models. Maybe older models did allow AU accounts to affect aging metrics and that’s how the conventional wisdom about them developed.

I’m not able to do any testing now, but maybe I’ll get back into that in the future.

(Edit: Fixed typo. “taking about” -> “talking about”)
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Re: AU accounts do not impact aging metrics?

27 of 27
7 months ago
Wed Jan 31, 2024 1:09 am
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EvenBetterThanTheRealThing
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I have nothing to add to this conversation as I've never been an AU but take a lot of interest in the details of scoring and following this thread closely. Makes me want to see my sister's scores as she's got nothing but student loans and is an AU on my dad's OG Freedom. No cards of her own on her report for now.
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