{
  "_meta": {
    "version": "1.0.0",
    "source": "Standard finance compounding period definitions",
    "lastUpdated": "2026-05-17",
    "formula": "A = P * (1 + r/n)^(n*t), where n is the number of compounding periods per year",
    "notes": "Higher n produces a slightly higher effective annual yield for the same nominal rate."
  },
  "frequencies": [
    {
      "id": "daily",
      "name": "Daily",
      "n": 365,
      "description": "Interest compounded each calendar day. Common for high-yield savings accounts."
    },
    {
      "id": "weekly",
      "name": "Weekly",
      "n": 52,
      "description": "Interest compounded once a week. Uncommon outside specialty products."
    },
    {
      "id": "monthly",
      "name": "Monthly",
      "n": 12,
      "description": "Interest compounded each month. Standard for mortgages, auto loans, and credit cards."
    },
    {
      "id": "quarterly",
      "name": "Quarterly",
      "n": 4,
      "description": "Interest compounded every three months. Typical for some CDs and bond payments."
    },
    {
      "id": "semi-annually",
      "name": "Semi-Annually",
      "n": 2,
      "description": "Interest compounded twice a year. Standard for US Treasury bonds."
    },
    {
      "id": "annually",
      "name": "Annually",
      "n": 1,
      "description": "Interest compounded once a year. Used for simple investment projections."
    }
  ]
}