Quant with Vahab
Quant Systems Lab · Control Systems for Quantitative Finance
A calm, bright Swiss landscape with quant office space
Quant Systems Lab · Control thinking for quantitative finance

Trading · Risk · Evaluation

Treat strategies as closed-loop policies under uncertainty. Use feedback, constraints, and disciplined evaluation. Build decisions that survive reality.

  • Closed-loop intuition: observe → decide → act → measure
  • Constraints as first-class objects: limits, costs, and risk
  • Evaluation you can defend: baselines, bias checks, protocols
  • Live mindset: monitoring, drift, and failure modes
One idea at a time. From first principles to practice.
Three lenses . Integrated view . cleaner thinking . One decision discipline

Three Lenses of Financial Decision Systems

Economic truth, market truth, and testable truth describe different ways to reason about the same market.

Economic truth
Fundamental Analyst

Studies the business and its cashflows. Builds scenarios and a valuation range. Optimises explanatory power, not timing.

Testable truth
Quantitative Analyst

Turns questions into models and decision rules. Quantifies uncertainty. Validates claims and builds systems with controls and monitoring.

Market truth
Trader

Studies market state: liquidity, volatility, positioning, catalysts. Trades timing and execution. Manages risk under changing regimes.

Success in finance requires balancing these distinct viewpoints to create robust, accountable decision-making processes. Learn more →