9hack: Inside 9fin's second hackathon of 2026

Information Retrieval for agents in finance: Why the top open reranker model made our system worse

How 9fin evaluated open rerankers for agentic RAG in debt markets — and why the top public benchmark model reduced retrieval precision.

From Postgres RLS to OpenFGA: Lessons from building (and replacing) our authorisation system

How 9fin migrated from PostgreSQL Row Level Security to OpenFGA for scalable relationship-based access control in sensitive financial systems.

Beyond the model: how we’re making AI in debt markets work at scale

Data excellence at 9fin

Watch the recording — Hannes Kindbom's talk at the Data Science Festival

Financing the AI boom: Capital, commitments and credit risk

The AI buildout is the largest single-sector capital allocation in credit market history. In this whitepaper, 9fin's newsroom and 9fin AI trace where the money is flowing, where the risks are stacking up, and how credit is being repriced across public and private markets.