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Ruby

Mon, 01 Jan 0001 00:00:00 +0000

Regime-aware US equities quant trend system

The Kelly Criterion: how much to bet, and what over-betting costs you

Wed, 24 Jun 2026 00:00:00 +0000

A good signal tells you what to buy. It never tells you how much. Kelly answers that second question, with the proof worked out step by step and an interactive simulation showing how the same winning bet destroys a bankroll when you size it too big.

The last gate: designing due diligence into order execution

Sat, 07 Mar 2026 00:00:00 +0000

Where algo order execution goes wrong, a three layer decide / plan / gate design, and the safeguard categories that keep due diligence real before money moves.

Intraday fills and VWAP: chasing a perfect-execution ceiling

Mon, 02 Feb 2026 00:00:00 +0000

Early days of Ruby, our flagship Nasdaq-100 algo: fixed-time fills looked calm, but the session told a different story — and that gap changed how we think about execution.

Preparing data for backtests: How we have designed DataKitchen

Fri, 26 Dec 2025 00:00:00 +0000

Most backtests fail in the data first — splits, sparse bars, fantasy fills, vendor disagreements. How we designed DataKitchen to clean that mess before AlgoLab runs a Walk-Forward.

Disclaimer

Mon, 22 Dec 2025 00:00:00 +0000

Disclaimer

Last updated: December 22, 2025

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Sun, 10 Aug 2025 00:00:00 +0000

Privacy Policy

Last updated: August 10, 2025

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About

Mon, 01 Jan 0001 00:00:00 +0000

Philosophy

Vectopian is a long-term investment company. We do not chase the noise of the next quarter. We invest with patience, hold for durability, and build on ideas that can compound for years without undermining the foundations on which they depend.

Vectopian operates as a holding company, with each underlying investment guided by its own mandate. The common thread is a long-term mindset: own assets worth owning, improve them where possible, and remain committed while the underlying thesis remains sound.