Regulations vs Market approach to open banking – Huw Davies, OzoneAPI

Summary

Open banking's global expansion has followed two distinct paths: regulation-led mandates and market-driven innovation, each offering lessons the other can learn from. Twimbit's lead analyst and a co-founder of API infrastructure company Ozone API unpack why some markets have leaned on regulatory bodies to force data sharing, while others have let competitive pressure and commercial incentive drive adoption organically over time.

Trade-offs run through each model, from the speed and consistency that regulation can enforce across an entire banking sector, to the flexibility and innovation that market-led approaches can unlock when banks and fintechs compete to build better open banking experiences for customers. Jurisdictions that started with one approach are increasingly borrowing elements of the other, blending mandated standards with market incentives to accelerate adoption and close gaps in coverage. Data portability standards and liability frameworks for third-party providers come up repeatedly as areas where neither pure regulation nor pure market incentive has fully solved the problem.

The interplay between regulation and market forces gives banks, fintechs, and policymakers a way to place their own market on this spectrum and weigh what lessons from other regions might apply as open banking ecosystems continue to mature globally.

Which approach ultimately builds a more resilient open banking ecosystem: regulation, market forces, or a deliberate combination of both?

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