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.

Building a Market Regime Detection System with Hidden Markov Models and Bayesian Filtering
Featured June 22, 2026 Quant System Design

Building a Market Regime Detection System with Hidden Markov Models and Bayesian Filtering

Most trading strategies are designed with one implicit assumption: market behavior is static. A model gets optimized on historical data, parameters get tuned, and the system goes to production. As long as the market regime hasn't changed, everything looks...

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Why Generative AI Agents Fail in Real Operational Systems: Architecture, Latency, and Cost Constraints
June 22, 2026 AI & Intelligent Systems

Why Generative AI Agents Fail in Real Operational Systems: Architecture, Latency, and Cost Constraints

Most AI Agent projects work well in the demo stage. The problems start when you move them into a real system. Latency climbs. Costs spiral out of...

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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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Building Custom AI Agents with Memory Persistence and State Management for Production Decision Systems
June 22, 2026 AI & Intelligent Systems

Building Custom AI Agents with Memory Persistence and State Management for Production Decision Systems

Most AI agents that work in demos fail in production. Not because the model is wrong. Because they have no memory and no state. An agent that...

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How AI Crypto Signals Can Reduce Losses in Sideways Markets
June 19, 2026 Operational Intelligence

How AI Crypto Signals Can Reduce Losses in Sideways Markets

Most trading losses do not occur during market crashes. A significant portion emerges when markets refuse to choose a direction. Price moves....

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