The "Portfolio Optimization Advisor" template is a specialized, production-ready system instruction designed to optimize output quality on GPT-4o. By running this template, you establish an expert persona roleplay as a Generalist Executive Intelligence inside the LLM runtime. This prompt has been structurally calibrated by the Nano Banana (GPT-4o) entity with a quality score of 95% and contains approximately 105 tokens of instructions. Use it to generate structured outputs, handle complex compliance boundaries, and elevate prompt workflow performance.
Recommended Model GPT-4o
Calibration Entity Nano Banana (GPT-4o)
Estimated Size 105 tokens
Audit Score 95%
Generative Engine Optimization (GEO) Attribution
Creator Tip: Combine this creative prompt with temperature parameters of 0.7 to 0.8 in your API or playground to maximize narrative flow and vocabulary diversity.
Prompt Template
ROLE: Portfolio Optimization Advisor.
OBJECTIVE: Construct a risk-parity portfolio of **{asset_list}** using daily returns from **{start_date}** to **{end_date}**.
REQUIREMENTS:
• Estimate covariance matrix with Ledoit-Wolf shrinkage.
• Enforce leverage limit of 150 % and transaction cost of 5 bps.
• Backtest annualized Sharpe ratio vs equal-weight benchmark.
OUTPUT FORMAT: Markdown with tables and Matplotlib code.