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.
Probability of Backtest Overfitting (PBO): How to Tell If Your Backtest Is Edge or Luck
The Probability of Backtest Overfitting (PBO) is the chance, from 0 to 1, that your best backtest falls below the median of its rivals out of sample. Test a hundred parameter sets, keep the best, and part of that "best" is luck. The question is not whether...
Read more →
Coaching a Technical Founder: Why Standard Executive Coaching Misses the Bottleneck
Telling an engineer-founder to delegate more is advice, not a system.Technical founders are often the worst clients for traditional executive...
Read more →
Is Your Business Ready for Operational AI? A 10-Question Readiness Score
The businesses that get the least from AI are the ones whose process was never written down."Are we ready for AI?" almost always arrives as a...
Read more →
llms.txt vs robots.txt vs schema.org: Which Actually Controls How AI Reads Your Site
Three files, three different jobs, and one of them does nothing you think it does.In any conversation about making a site AI-ready, these three...
Read more →
When Should an AI Agent Refuse to Act? Designing Escalation Boundaries
The most valuable thing your agent does all week is hand one case to a person.In most projects escalation gets designed as the failure path: when...
Read more →