For Professional Derivatives Traders.
We build quantitative trading systems that read markets the way institutions read them — through derivatives flow, regime classification, structural precision, and risk enforcement. Not signals. Architecture.
RJ38 Capital was built from a single observation: the most consistent traders in the world — Wintermute, Jump Trading, 58bro.eth — don't trade on instinct. They trade on architecture.
We spent years studying how institutional players read derivatives markets. The open interest flows. The funding dynamics. The regime classifications that precede every major move. What we found wasn't magic. It was systematic. Repeatable. Buildable.
RJ38 Capital develops quantitative decision intelligence systems for professional derivatives traders. Our systems apply multi-layer macro filtering frameworks to identify high-conviction opportunities — and block everything else.
We are not a signal service. We are a decision support firm built for traders who already understand leverage, market structure, and risk. Our systems don't think for you. They ensure the quantitative environment is right before you act.
"JUPITER decides whether to trade. MARS is what happens when the decision has already been made."— System Design Philosophy · RJ38 Capital · 2026