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Not understanding FICO scoring

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tj11569
New Member

Not understanding FICO scoring

Apparently, based on several sources, my FICO score is based (approximately) on these factors, and in these percentages:

 

Total Accounts: 10%

Length of Credit: 15%

Inquiries: 10%

Revolving Utilization: 30%

Payment History: 35%

 

And, according to several other sources, the optimal values for these criteria are:

 

Total Accounts: 5 or more

Length of Credit: 8 to 11 years

Inquiries: 0

Revolving Utilization: less than 30%

Payment History: no missed payments or deliquencies

 

My current credit score is 699. It was 790 a few months ago. I was worried about identify theft, but that does not appear to have happened. Nothing has changed between then and now. I have 11 total accounts, I have 10.5 years of credit, I have no inquiries, I utilize less than 15% of my credit, and I have no missed payments or deliquencies. Why would my score drop nearly 100 points when none of the things that are supposed to affect my score have changed? The factors that determine my credit acore appear to be either secret or arbitrary. Or am I missing something?

Message 1 of 7
6 REPLIES 6
SouthJamaica
Mega Contributor

Re: Not understanding FICO scoring


@tj11569 wrote:

Apparently, based on several sources, my FICO score is based (approximately) on these factors, and in these percentages:

 

Total Accounts: 10%

Length of Credit: 15%

Inquiries: 10%

Revolving Utilization: 30%

Payment History: 35%

 

I've seen statements to that effect, but I don't necessarily believe it. There are dozens of FICO scores,

and as many algorithms.

 

And, according to several other sources, the optimal values for these criteria are:

 

Total Accounts: 5 or more

Length of Credit: 8 to 11 years

Inquiries: 0

Revolving Utilization: less than 30%

Payment History: no missed payments or deliquencies

 

This is baloney. There's no optimal number of accounts. Length of credit takes into account multiple factors, such as Age of Oldest Account (> 8 years is optimal) and Average Age of Accounts (> 8 years is optimal). Revolving utilization of 30% is not good, you can be losing 100 points with 30% aggregate utilization; optimal is below 6%.

 

My current credit score is 699.

 

What "credit score"? There are 28 different FICO scores and there are also non-FICO scores.

 

It was 790 a few months ago.

 

Again, what score?

 

I was worried about identify theft, but that does not appear to have happened. Nothing has changed between then and now. I have 11 total accounts, I have 10.5 years of credit, I have no inquiries, I utilize less than 15% of my credit, and I have no missed payments or deliquencies. Why would my score drop nearly 100 points when none of the things that are supposed to affect my score have changed?

 

How can we possibly answer that question without knowing (a) which scores you're talking about and (b) what changed in your report from when the score was 790 to when the score became 699? 

 

The factors that determine my credit acore appear to be either secret or arbitrary.

 

The factors are indeed secret, but we are always becoming better and better at making good guesses. They aren't arbitrary, although I think in some cases they are misguided.

 

Or am I missing something?

 

Yes you're missing a lot. In the first place you're working on incorrect assumptions. In the second place you can't figure this out without knowing which scores you're talking about and what data changed in your credit reports.


 


Total revolving limits 569520 (505320 reporting) FICO 8: EQ 689 TU 691 EX 682




Message 2 of 7
markbeiser
Established Contributor

Re: Not understanding FICO scoring

Have you pulled all 3 of your reports?
Do you have any individual credit card accounts with high utilization?

Back to gardening until Late February 2026.
Current FICO8:
Message 3 of 7
Horseshoez
Senior Contributor

Re: Not understanding FICO scoring

@tj11569, just to underscore what @SouthJamaica repeatedly asked, I'll repeat it again, where are you getting your scores from?

Chapter 13:

  • Burned: AMEX, Chase, Citi, Wells Fargo, and South County Bank (now Bank of Southern California)
  • Filed: 26-Feb-2015
  • MoC: 01-Mar-2015
  • 1st Payment (posted): 23-Mar-2015
  • Last Payment (posted): 07-Feb-2020
  • Discharged: 04-Mar-2020
  • Closed: 23-Jun-2020

 

I categorically refuse to do AZEO!

In the proverbial sock drawer:
Message 4 of 7
Shooting-For-800
Senior Contributor

Re: Not understanding FICO scoring

What scores?

What source?

100 points is A LOT for no missed payments.

Rebuild started in 2014  -  $100k unsecured credit in 2017  -  $500k unsecured credit in 2024.

DON'T WORK FOR CREDIT CARDS ... MAKE CREDIT CARDS WORK FOR YOU!



Message 5 of 7
FicoMike0
Valued Contributor

Re: Not understanding FICO scoring

Something is wrong here.  As others said, make sure it's the same score version. 100 points is a lot! 

Message 6 of 7
og-aliensfan
Established Member

Re: Not understanding FICO scoring

100 points sounds like a negative was added to your reports.  Is this a FICO 8 score compared to a FICO 8 score, from the same bureau?  If not the same scoring model and the same bureau, you aren't seeing a true comparison as there may be other factors involved.  You need to compare a report prior to the score loss with one after.  Pull your reports from annualcreditreport.com.  The reason will be in your reports.

Message 7 of 7
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