The post shows a prompt that builds a 24/7 hedge fund: Claude Opus 5.5 handles reasoning, Jev decides in milliseconds, code enforces risk limits and rejects breaking trades, and it must explain how the fund could blow up before trading.
this one prompt turns claude opus 5.5 into a 24/7 hedge fund 8 desks. 3 layers. zero employees opus 5.5 thinks. jev decides in milliseconds. code kills any trade that breaks the limits and before it's allowed to trade, it has to explain exactly how the fund blows up most
James Long uses Jev to tackle the most annoying problem in personal finance tools: generating good payee descriptions from raw bank data. It got about 95% of the way there on the first try, with many ways to improve the prompting.
A developer uses Jev to decide buy or sell and executes real trades on Kuru's on-chain order book via Monad every 300ms block. Link
Erik Spock Gafni suggests that those who make a lot of profit from Jev trading donate some of their profits to charity.