Research

Essays on systematic research, mathematical reasoning, and risk.

Atamus Capital publishes research notes on quantitative investing, statistical reasoning, mathematical foundations, portfolio behavior, risk, and the standards required to study markets with rigor.

These writings are conceptual. They do not disclose proprietary models, signals, datasets, strategy rules, portfolio construction methods, or investment recommendations.

Research Library

Articles and notes.

Public research content is limited to principles, frameworks, and disciplined thinking.

Atamus Capital does not describe proprietary strategies, trading rules, signal logic, research pipeline, investment universe, or allocation process.

Market Structure

The Mechanics of the Quoted Price

Quoted prices are measurements, not primitive observations of value: bid-ask bounce, Roll covariance, realized variance bias, and microstructure noise.

Risk Theory

When Diversification Fails

Correlation, copulas, tail dependence, and the mathematics of joint loss when ordinary diversification fails under stress.

Implementation & Capacity

Where Edge Goes to Die

Implementation shortfall, square-root market impact, capacity ceilings, liquidity concentration, and the arithmetic by which gross edge can disappear after scale.

Risk Theory

The Distribution Behind the Drawdown

Maximum drawdown as a path-dependent risk functional: sequence, Brownian scale, sampled paths, serial dependence, tail behavior, and volatility clustering.

Mathematical Foundations

The Arithmetic of Multiple Discovery

How multiple testing changes evidence: FWER, Bonferroni and Sidak control, Benjamini-Hochberg FDR, correlated extremes, selected Sharpe ratios, and minimum track-record length.

Mathematical Foundations

Robustness Before Return

Return is an observation. Robustness is the behavior of an inference under selection, dependence, specification, regime, implementation, and path uncertainty.

Research Disclaimer

Research notes published by Atamus Capital are provided for general informational and research purposes only. They do not constitute investment advice, trading advice, a recommendation, an offer to sell, or a solicitation to buy any security, fund interest, account, or investment product.