A single prompt builds a Jane Street-style low-latency HFT system where the Jev model judges order-flow toxicity without sitting in the order path, and hftbacktest replays tick data.
Jane Street style low-latency hft system is f*cking online. paste this into claude code. this one prompt builds a low-latency trading system: -deterministic code owns every quote and order -jev judges order-flow toxicity, never in the order path -hftbacktest replays ticks with
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.