{"name":"roi","title":"ROI & Annualized Return Calculator","category":"finance","description":"Return on investment, gain and (with a holding period) annualized ROI.","price_usd":0.001,"input_schema":{"type":"object","properties":{"initial_investment":{"type":"number","description":"Initial investment in USD"},"final_value":{"type":"number","description":"Final/exit value in USD"},"years":{"type":"number","description":"Holding period in years (for annualized ROI)"}},"additionalProperties":false,"required":["initial_investment","final_value"]}}