About

Keystone Quantitative is an independent research publication launched in May 2025 under the name Sebastian Lowell. Our mission is to deliver high-quality, data-driven market analysis for institutional investors, hedge funds, and sophisticated traders. Your subscription grants access to exclusive reports—both current and archived—that cut through the noise and offer clear, actionable perspectives. Thank you for supporting independent analysis.

Complete Access
Subscribers receive full access to our entire library of research reports, including all historical publications and every new piece moving forward. Think of it as your personal archive of strategic market thinking.

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Who is Sebastian Lowell?
Sebastian Lowell isn’t a single analyst—it’s the collective voice of our research team. Operating under this name allows us to write and reason as one unified analytical unit. Each report is a synthesis of diverse viewpoints, technical disciplines, and market experience. Sebastian Lowell exists to serve one purpose: deliver clarity in complexity.