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September 29, 2026 at 11:27 am #1703
What happened
FICO stock just suffered its worst single day in more than six years, plunging 21.6% on Tuesday to as low as $675.39. The crash followed FHFA Director Bill Pulte’s announcement that Fannie Mae and Freddie Mac will consolidate their two mortgage pricing grids into a single framework that adds VantageScore — the credit-bureau-owned rival — alongside FICO Classic.
- FICO opened at $668.08 on Tuesday after closing Monday at $840.89; intraday touched $675.39
- Shares are down roughly 50% year-to-date, trading at their weakest level since April 2023
- Rocket Mortgage said late Monday it will make VantageScore 4.0 its preferred scoring model for all eligible loans starting in Q4, after about four months of testing found it helped more clients qualify while cutting scoring costs
- TransUnion fell 4.3% and Equifax about 4% — oddly, the bureaus co-own VantageScore, but the market read the grid overhaul as a squeeze on scoring economics across the board
Why it matters
For decades, a FICO Classic score was the mandatory gatekeeper for a conforming mortgage — every score pull was revenue for Fair Isaac. That requirement is now effectively gone, and the market is repricing FICO’s per-pull fee monopoly in real time. This isn’t coming out of nowhere: the FHFA removed the advance-consent requirement for VantageScore 4.0 earlier this month, and the FHA set January 1, 2027 for adding VantageScore 4.0 and FICO Score 10T to FHA underwriting. Rocket — the country’s biggest retail lender — switching its default score signals that other large lenders are likely to follow.
What to watch
The FHFA’s implementation timeline for the unified grid, whether other major lenders adopt VantageScore 4.0 as their default, any pricing response from Fair Isaac, and the FHA’s January 2027 rollout. If scoring costs fall for lenders, some of that could flow through to borrowers — but FICO’s margin story is being rewritten.
Related reading: FICO Tumbles 18% as FHFA Adds VantageScore to Unified Mortgage Grid
If a VantageScore-based mortgage gets more borrowers approved at a lower cost, should regulators have broken up the FICO monopoly years ago — or does a single scoring standard actually protect consumers? Share your take below.
Not financial advice.
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