Aligned Capital
Sigma Capital deploys proprietary capital within a controlled, systematic framework. This ensures full alignment between risk and execution and removes external pressures that can distort disciplined trading behaviour.
The firm operates with a consistent focus on capital preservation, stability of returns, and the repeatable application of statistical strategies under live market conditions.
Disciplined by Design
Sigma Capital is built around the belief that sustainable trading performance comes from process, control, and repeatability rather than complexity for its own sake.
Research, execution, and oversight are structured to ensure that decisions remain systematic, risk-aware, and fully consistent with the firm's quantitative framework.
Institutional Structure
IB Systems Ltd is the parent company and sole legal entity through which all Sigma Capital activity is conducted. The company owns all intellectual property, operates the technology platform, maintains all infrastructure, and deploys proprietary capital in financial markets. All trading activity is undertaken by IB Systems Ltd acting as principal. The company bears all risk and retains all returns from its operations.
Sigma Capital is the trading name and market-facing brand of IB Systems Ltd. It represents the firm’s trading strategy, research, and execution identity. Sigma Capital is not a separate legal entity. All activities carried out under the Sigma Capital name are conducted exclusively by IB Systems Ltd.