What it is
Jevinik is a stock decision terminal that retrieves live market evidence with Valyu and estimates whether a stock will trade higher in 30 days. It is for users who want a fast, structured probabilistic outlook on US and European stocks.
How it uses Jev
Jev evaluates a compact evidence state (price history statistics and five Valyu evidence categories) using typed boolean, score, and choice questions. The API returns the probability of a higher price, outlook score and label, evidence quality score, and category-level signals.
Primitives:choicescorenoul
Technique worth stealing
Use Jev's experimental_evaluate with typed questions on a shared evidence state for fast structured decisions.
Try it
Run npm run dev after setting AI_GATEWAY_API_KEY and VALYU_API_KEY in .env.local.
Evidence
Each line is one question put to Jev about the README. ≥ 0.60 reads as yes, ≤ 0.40 as no; in between Jev is not making a call.
- Jev-centricyes0.92
- Shows a System One patternunclear0.41
- Handles uncertaintyno0.06
- Measuredno0.13
- Runnableyes0.78
- Worth recommendingunclear0.42
- Model replicano0.06
- Problem scopescore on a 0–2 scale0.88
- About Jevyes0.98
Signals by Jev jev-1.13.0, card written by DeepSeek V4.1 Flash from the README on 20 Sept 2026.