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Fair Isaac Stock Plunges 20% After FHFA Adds VantageScore

Investing.com2 min read4 sources

Why is Fair Isaac stock down today?

Fair Isaac (FICO) stock plunged 20% or more on Tuesday, to around $612 from $841, after the FHFA said Fannie Mae and Freddie Mac will add VantageScore to their mortgage pricing grid.

Key numbers

FICO premarket move-20%premarket; later quotes deeper
FICO share price$613.56-27.0% vs $840.89 prior close
Equifax (EFX) move-6.7%premarket
TransUnion (TRU) move-4%premarket
FICO year to date-50%roughly half its value lost (per [3])

What happened

Fair Isaac (FICO) stock plunged 20% or more on Tuesday, to around $612 from $841, after the FHFA said Fannie Mae and Freddie Mac will add VantageScore to their mortgage pricing grid. The FHFA is the US housing regulator, and Fannie and Freddie are the government-backed firms that buy many US home loans. Until now, lenders got better pricing when they used a FICO score, which gave them little reason to switch to VantageScore, a rival score created by the three big credit bureaus. Equifax fell 6.7% and TransUnion fell 4% as well.

Why it matters

Fair Isaac now faces real price competition in mortgage credit scores, the business that gave it strong control over what lenders pay. Lenders pay a fee each time they check a borrower's score, so a cheaper rival could shrink that income. TD Cowen expects most borrowers to qualify for lower loan fees using VantageScore, which could mean cheaper mortgages for some buyers. The stock is already down about 50% this year (per).

Who this affects

Marketbearish
Medium impact
Equifax and TransUnion shareholders also lost ground today.
Companybearish
High impact
FICO shareholders face a sharp loss; mortgage pricing power weakens.
Competitorsmixed
Medium impact
VantageScore gains ground, yet credit bureau shares still fell.
Industrymixed
Medium impact
Borrowers may pay less; lenders and scorers face new pricing pressure.

Fair Isaac vs Equifax, TransUnion, Experian

Fair IsaacFICO-20% (premarket)-50%
EquifaxEFX-6.7%—
TransUnionTRU-4%—
ExperianEXPN.L-1.2%—

As of 2026-09-29

How we got here

  1. FHFA announces one Fannie/Freddie pricing grid including VantageScore; FICO falls 8% after hours.

  2. FICO drops 20% premarket; Equifax, TransUnion and Experian also fall.

  3. Later quotes show FICO near $613, down about 27% from its $841 close.

What to watch

  • Whether the FHFA sets a start date for the single pricing grid; none was given.Date not set
  • How Fair Isaac responds on mortgage score pricing; RBC flags possible business model changes.Next earnings
  • Whether lenders shift to VantageScore, and if score shopping becomes common.Q4 2026

Educational content only. Not investment advice.

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