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 Is Quant System Design? Architecture, Components, and How It Differs from a Trading Bot
Featured July 20, 2026 Quant System Design

What Is Quant System Design? Architecture, Components, and How It Differs from a Trading Bot

Most trading bots do not fail because their code is poor. They fail because there is no system behind them.A buy-or-sell signal is not a quant system. A quant system must manage data, risk, costs, execution, and operational control as one testable...

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OHLCV Data Quality Checks: What to Validate Before Backtesting or Trading
July 14, 2026 Quant System Design

OHLCV Data Quality Checks: What to Validate Before Backtesting or Trading

Most backtests do not fail because of the model. They fail because of the data.If your OHLCV feed is incomplete, inconsistent, or retrospectively...

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Case Study: Designing an Agentic Coaching System for Iranians Living Abroad
July 13, 2026 کیس استادی

Case Study: Designing an Agentic Coaching System for Iranians Living Abroad

The real problem for Iranians living abroad is not a lack of information. It is turning fragmented information into an executable decision in an...

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

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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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