Research
GDI Research conducts independent quantitative investing research designed to help investors make more informed decisions. Using objective, data-driven methodologies, we develop, test, and evaluate systematic investment strategies and publish our findings through educational videos, companion guides, and research publications.
Research Methodology
Every GDI Research publication follows a structured process that includes data collection, strategy development, quantitative testing, optimization, validation, and publication. Our objective is to present transparent, evidence-based research that readers can understand, evaluate, and apply.
Future Research
Additional research publications will be added as new studies are completed. Future topics will continue to focus on quantitative investing and systematic investment strategies.
Current Research
Episode 2 (October 17, 2026)
Does the Ranking Matter?
Research Report No. GDI-RR-2026-002
Episode 2 tested whether the BRASS® ranking itself mattered. Using the same trading rules across different ranked portfolios, the results showed that higher-ranked companies produced substantially stronger historical outcomes, while broader portfolios provided greater diversification.
Historical backtest results. For research and educational purposes only. Not investment advice.
Related Resources
Quick Insight #001 (July 28, 2026)
Why We Tested the Entire Nasdaq-100
Many investment videos highlight only a few successful stocks. GDI Research took a different approach by evaluating every company in the Nasdaq-100 using the same BRASS methodology. This Quick Insight explains why a complete, unbiased evaluation provides a stronger foundation for future research.
Related Resources
Episode 001 (July 18, 2026)
Nasdaq-100 ID35 Rankings
Publication No. 2026-001
This research evaluates optimization results across 101 Nasdaq-100 companies using a systematic Bollinger Band trading strategy. The study ranks companies using the optimized ID35 parameter set and presents the supporting methodology, performance metrics, and quantitative analysis.
Related Resources
