FICO Shares Plunge 20% After FHFA Rule Change Levels Playing Field for VantageScore

Shares of Fair Isaac Corp. (NYSE: FICO) plunged 20% in premarket trading Tuesday after a key U.S. housing regulator announced a policy change that directly challenges the company's long-standing dominance in the mortgage market. The Federal Housing Finance Agency (FHFA) said government-sponsored enterprises (GSEs) Fannie Mae and Freddie Mac will now use a single pricing grid for both FICO and rival VantageScore, removing a structural advantage that favored FICO.

A New Competitive Landscape

The FHFA's decision mandates a single loan-level pricing adjustment (LLPA) grid, which determines the fees charged for a mortgage based on a borrower's credit score and other risk factors. Previously, a dual-grid system created a financial disincentive for lenders to use VantageScore, effectively making FICO scores mandatory for most conforming loans.

This regulatory shift rattled the broader credit-scoring sector. According to Investing.com, the news also sent shares of TransUnion down 4%, Equifax down 6.7%, and London-listed Experian down 1.2%.

"With pricing now in line, VantageScore could see increased adoption," wrote FT Partners analyst Craig Maurer. He noted that under the new framework, borrowers whose VantageScore 4.0 is higher than their classic FICO score can now qualify for better pricing, giving VantageScore a "structural tailwind it previously lacked."

Analysts Question Risk and Rationale

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Some analysts questioned the policy's underlying logic and potential impact on the GSEs. TD Cowen analyst Jaret Seiberg described the move as an "across the board cut in loan level pricing adjustments," as most borrowers will likely qualify for lower prices by using the more favorable of the two scores.

Seiberg highlighted a key inconsistency, writing, "FHFA as far as we can tell has not explained why it now views FICO and Vantage Scores as the same when just two weeks ago it released grids that concluded that Vantage Score overstated credit quality by about 20 points relative to FICO." This implies Fannie and Freddie may be taking on more credit risk without being compensated, a potential negative for efforts to recapitalize the GSEs, he added.

Mitigating Factors and Future Risks

Despite the significant threat, FICO's role is not entirely eliminated. Seiberg noted that the mortgage-backed securities (MBS) market remains a key constraint. "What limits risk to FICO is the MBS market, which wants the FICO score," he wrote. As long as investors demand FICO scores on the underlying loans, lenders may still need to pull both scores, preserving FICO's transaction volume.

Still, the new environment presents material risks. RBC analyst Ashish Sabadra warned the change "meaningfully raises the risk of score shopping," where lenders simply select the model that produces a lower mortgage rate. He also suggested FICO may need to shift away from its traditional per-pull origination fees to defend its business model. A broader concern shared by analysts is that the policy could incentivize a race to produce higher scores rather than accurately predict default risk, potentially harming the housing market in the long term.