RealFin: How Well Do LLMs Reason About Finance When Users Leave Things Unsaid?

ArXi:2602.07096v2 Announce Type: replace-cross Reliable financial reasoning requires knowing not only how to answer, but also when an answer cannot be justified. In real financial practice, problems often rely on implicit assumptions that are taken for granted rather than stated explicitly, causing problems to appear solvable while lacking enough information for a definite answer. We