Jev case: Built a small funding-arb helper for myself.

@hangzai Leo(行雲)🇰🇳 · Sep 21, 2026 · case #498932 · listed via Jev Hub

Still from the clip posted with this case; watch it in the original post on X.

Built a funding-arb helper that ranks long/short pairs by net cost and uses Jev for the decision.

The original post

Built a small funding-arb helper for myself. It compares long/short pairs, estimates net after costs, and notes why a pair is ranked first. Very early. Site features are free for now — feedback welcome. https:// humarb.com Jev by @typesafeai . Payments via @0xinfini . Reply

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Numbers are a snapshot taken from X when the case was added to the library (schema v1, collected 2026-09-19); they will not match today.

Where this case fits

Filed under websites & web apps, finance & trading. In the pattern Jev is built for, the model answers a bounded question per step — and ordinary code acts on the answer, because the answer is already a value rather than a paragraph. Other posts in the same family are on the websites & web apps page.

🧱 Websites & web apps 💹 Finance & trading