On September 29, Fair Isaac fell 8.01% in pre-market trading, trading at approximately $773.50 per share, with turnover of $85,100. The stock has continued its sharp decline following a regulatory disruption to its long-standing dominance in the mortgage credit scoring market.

On the news front, FHFA Director Pulte formally instructed Fannie Mae and Freddie Mac to permit all mortgage lenders to adopt the VantageScore credit scoring system, directly challenging FICO's decades-long monopoly in mortgage-related credit assessment. Fannie Mae and Freddie Mac subsequently announced that all securitized products would adopt a dual-scoring framework incorporating both VantageScore and FICO. Pulte also publicly criticized FICO for inflating per-person credit score retrieval costs by 1,800% since 2020, demanding competitive pricing.

The stock has fallen over 30% in September alone, with year-to-date losses approaching 50%. While Raymond James analysts previously argued that FICO had not yet experienced measurable volume loss despite rising VantageScore adoption, the formal regulatory mandate has significantly escalated competitive pressure. Multiple Wall Street firms had already lowered price targets in recent months, with HSBC maintaining a Reduce rating and a $696 target — now above the current trading level.

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