Synthetic Data in Finance: Innovation Without Compromise

Synthetic Data in Finance: Innovation Without Compromise

The financial industry stands at a crossroads where **data-driven innovation** must balance with rigorous privacy mandates. Synthetic data promises to bridge that gap, empowering institutions to innovate confidently and compliantly.

What is Synthetic Data in Finance?

Synthetic data refers to artificially generated datasets that mirror the statistical properties and structure of real financial records without exposing any actual customer details. Techniques range from agent-based modeling and econometric simulations to deep learning methods such as Generative Adversarial Networks (GANs).

By leveraging differential privacy—adding calibrated noise to protect sensitive attributes—organizations can generate realistic transaction flows, trading histories, and client profiles. This enables teams to develop, test, and refine algorithms without handling live personal data.

Business Case and Industry Drivers

Financial institutions face stringent privacy regulations like GDPR, CCPA, and banking secrecy laws. These rules often hinder data sharing and slow down innovation. Synthetic data presents a compliant path forward, unlocking collaboration within and across firms.

AI adoption is accelerating, and over 11% of all AI investment in financial services is directed toward synthetic data use cases, according to NVIDIA. Fintech startups and regulatory technology partners rely on synthetic datasets to reduce time-to-market while ensuring customer safety.

Core Benefits

  • Privacy Preservation enables safe model training without exposing PII.
  • Compliance Support with regulations by sharing data safely across ecosystems.
  • Innovation Enablement by accelerating development cycles and proofs of concept.
  • Model Robustness and Diversity through rare-event simulation and balanced datasets.
  • Cost Effectiveness with up to 100x reductions in data acquisition expenses.

These benefits help banks and asset managers build more accurate fraud detection, credit scoring, and portfolio optimization models without compromising confidentiality.

Key Applications and Real-World Use Cases

Synthetic data’s versatility shines across multiple financial domains, from risk management to open banking. Institutions can simulate extreme scenarios—market crashes, unprecedented fraud patterns, liquidity shocks—that rarely appear in historical records.

For example, SIX, a Swiss financial institution, employed privacy-preserving synthetic data to break internal silos and streamline regulatory reporting, accelerating projects while maintaining full compliance.

Technology, Methods & Standards

  • Mathematical models such as GANs, agent-based and econometric simulations.
  • Privacy frameworks including differential privacy and zero-knowledge proofs.
  • Open-source SDKs like MOSTLY AI democratizing synthetic data generation.

These tools and practices form a robust ecosystem, enabling teams of any size to harness synthetic data effectively.

Quantitative Impact

Synthetic data accounts for over 11% of AI investments in financial services. Institutions report a 100x cost reduction in obtaining training datasets compared to legacy systems.

Fraud and AML systems trained on synthetic data see significantly fewer false positives, while credit models achieve faster decision times and higher predictive accuracy.

Regulatory Context

Global regulators like the UK FCA, US NIST, and OECD endorse synthetic data as a privacy-preserving innovation enabler. Pilot projects and standard-setting initiatives in Europe and North America aim to formalize guidelines for safe deployment.

This regulatory support reflects a broader shift: balancing data utility with ever-tightening privacy mandates.

Challenges and Risks

  • Potential Bias if synthetic outputs mirror biased training data.
  • Fidelity vs. Privacy tension when ensuring realistic yet untraceable data.
  • Model Overfitting from poorly validated synthetic scenarios.
  • Governance requirements for validation audits and third-party oversight.
  • Industry skepticism requiring trust-building through transparent practices.

Best practices include rigorous quality checks, ongoing governance, and independent validation to mitigate these risks effectively.

The Future of Synthetic Data in Finance

Synthetic data is poised to become a foundational technology for compliant innovation. As open-source tools evolve and institutional investment grows, private and public stakeholders will increasingly rely on artificial datasets for collaborative analytics, advanced AI, and secure third-party integrations.

By embracing synthetic data, financial institutions can unlock the full potential of their data assets—fueling new services, strengthening risk management, and accelerating digital transformation—while upholding the highest standards of privacy and security.

By Felipe Moraes

Felipe Moraes