PortfolioPerformance

{
    "total_invested": 250000,
    "current_value": 275000,
    "total_earnings": 25000,
    "roi_percentage": 10,
    "units_owned": 3,
    "currency": "EGP",
    "breakdown_by_category": [
        {
            "category_id": 1,
            "category_name": "Commercial Real Estate",
            "invested": 150000,
            "current_value": 165000,
            "percentage_of_portfolio": 60
        }
    ],
    "monthly_earnings": [
        {
            "month": "2024-01",
            "earnings": 2500
        }
    ]
}