How can Claude be used in finance?
Claude is a large language model from Anthropic. In finance it is most useful for the language-heavy parts of the job: reading, writing, summarizing, and explaining.
In practice that looks like reading a 10-K or a credit agreement and answering questions about it, drafting an investment thesis or a research note, summarizing earnings calls and filings, comparing terms across a set of contracts, and explaining a dense model or memo in plain language for a committee or a board.
Its edge is a very large context window and a careful style. You can hand it a long document, or several at once, and it reasons across the whole thing in one pass rather than losing the thread. On high-stakes material it tends to flag uncertainty instead of guessing, which is the right instinct in finance.
Where it stops: it sees market data only through connectors your firm licenses and switches on (Anthropic's finance plugins list FactSet, S&P Global, PitchBook, Morningstar and others, each needing its own subscription), its numbers still need checking against the source, and the plan you choose decides whether your data is safe to use. For heavy number crunching, pair it with a finance-aware tool or a custom agent.