SIGNALAI·May 26, 2026, 4:00 AMSignal75Medium term

From Accuracy to Auditability: A Survey of Determinism in Financial AI Systems

Source: arXiv cs.LG

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From Accuracy to Auditability: A Survey of Determinism in Financial AI Systems

arXiv:2605.23955v1 Announce Type: cross Abstract: Deploying machine learning in regulated financial environments -- credit risk, fraud detection, and anti-money laundering -- exposes critical vulnerabilities in algorithmic reproducibility. While early financial ML addressed statistical challenges such as backtest overfitting, deep neural networks and Generative AI have introduced mechanical nondeterminism rooted in hardware and architecture. This survey provides a systems perspective on reproducibility failures across three modalities now dominant in financial AI: tabular models (post-hoc expl

Why this matters
Why now

The proliferation of complex AI models like deep neural networks and Generative AI in financial services, coupled with increasing regulatory scrutiny, is forcing a re-evaluation of algorithmic reproducibility and auditability.

Why it’s important

Non-determinism in financial AI systems poses significant risks to regulatory compliance, trust, and the stability of critical financial functions like fraud detection and credit risk, potentially leading to systemic issues.

What changes

The focus in financial AI development will shift from purely accuracy-driven metrics to encompassing auditability and reproducibility, directly influencing model design and deployment strategies in regulated sectors.

Winners
  • · Financial Regulators
  • · Firms specializing in AI explainability and audit tools
  • · Robust AI system architects
  • · Traditional financial institutions leveraging transparent AI
Losers
  • · Black-box AI model developers
  • · Financial institutions with opaque legacy AI systems
  • · Unregulated AI solutions in finance
  • · High-frequency trading firms reliant on unexplainable models
Second-order effects
Direct

Increased investment in explainable AI (XAI) and reproducible machine learning practices within the finance industry.

Second

New regulatory frameworks and compliance standards specifically addressing the determinism and auditability of AI used in critical financial applications.

Third

A potential bifurcation in AI adoption, where regulated financial applications prioritize transparency and auditability over bleeding-edge performance, while other sectors continue to push raw performance boundaries.

Editorial confidence: 90 / 100 · Structural impact: 60 / 100
Original report

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Read at arXiv cs.LG
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