Essays · Operations Intelligence, AI and Quant

Hossein Narimani — Writing

In-depth writing on quant system design, operational AI, SaaS architecture, custom AI agents and founder execution systems.

What Makes an Automated Trading Strategy Good? Real Criteria Beyond a Beautiful Backtest
Featured July 13, 2026 Quant System Design

What Makes an Automated Trading Strategy Good? Real Criteria Beyond a Beautiful Backtest

Most strategies that look excellent in a backtest were never designed to survive production.A trading bot is not good because its equity curve rises. It is good because its decision logic, execution, and risk controls remain coherent under real market...

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July 09, 2026 Quant System Design

Common Mistakes in Market Regime Detection: Why Moving Average Crossovers Fail

Why Most Market Regime Detection Systems Fail in PracticeA quant team I worked with had built a Market Regime Detection system on a Moving Average...

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Can Quant Trading Strategies Be Trained From OHLCV Data Alone?
July 05, 2026 Quant System Design

Can Quant Trading Strategies Be Trained From OHLCV Data Alone?

Most people asking "can you train a strategy on OHLCV data" are really asking something else: "can I train a model on past prices and make money...

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How Much Does It Cost to Build a Quant System? A Realistic Cost Model for Founders and Operators
July 02, 2026 Quant System Design

How Much Does It Cost to Build a Quant System? A Realistic Cost Model for Founders and Operators

Most pricing conversations about quant systems start in the wrong place. They treat strategy code, research, execution, and risk control as if...

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Hybrid Quant System Architecture: Integrating Risk Management, Position Sizing, and Execution in a Unified Framework
June 22, 2026 Quant System Design

Hybrid Quant System Architecture: Integrating Risk Management, Position Sizing, and Execution in a Unified Framework

Most quant systems that fail in production don't have a signal problem. They have an architecture problem. Their signals work. Their backtests are...

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