{
  "api_version": "v1",
  "generated_at": "2026-07-10T02:55:46.441Z",
  "attribution": "Source values are U.S. federal government works (public domain). Compiled by StatuteRates.",
  "license": "Compiled dataset offered for reference; values trace to official public-domain sources (see each record).",
  "data": {
    "generated_at": "2026-07-10T02:55:46.441Z",
    "slug": "massachusetts-judgment-rate",
    "name": "Massachusetts Judgment Interest Rate",
    "entity_type": "rate_series",
    "jurisdiction": "US",
    "region": "US States",
    "locale": null,
    "metadata": {
      "state": "MA",
      "statute": "M.G.L. c.231 §§6B–6C",
      "basis": "statute-fixed"
    },
    "metrics": [
      "annual_rate"
    ],
    "latest": {
      "annual_rate": {
        "metric": "annual_rate",
        "value": 12,
        "value_text": "12%",
        "unit": "percent_per_annum",
        "effective_date": "2026-07-08",
        "source_id": "ma-legislature",
        "source_url": "https://malegislature.gov/Laws/GeneralLaws/PartIII/TitleII/Chapter231/Section6B",
        "retrieved_at": "2026-07-10T02:55:46.419Z",
        "confidence": "high",
        "method": "statute-fixed",
        "notes": "12% per annum under both M.G.L. c.231 §6B (tort; from commencement of the action) and §6C (contract; from breach/demand, or commencement if not established). Applied as simple interest in MA practice. Carve-outs: an established contract rate displaces the §6C default; judgments against the commonwealth bear interest per §6I (weekly-average 1-yr Treasury CMT, capped at 10%). The official statute pages show no amendment history; the 12% figure has been stable since the early 1980s. Date shown is when the current text was verified (2026-07-08). Verify against the statute; not legal advice."
      }
    },
    "history": {
      "annual_rate": [
        {
          "metric": "annual_rate",
          "value": 12,
          "value_text": "12%",
          "unit": "percent_per_annum",
          "effective_date": "2026-07-08",
          "source_id": "ma-legislature",
          "source_url": "https://malegislature.gov/Laws/GeneralLaws/PartIII/TitleII/Chapter231/Section6B",
          "retrieved_at": "2026-07-10T02:55:46.419Z",
          "confidence": "high",
          "method": "statute-fixed",
          "notes": "12% per annum under both M.G.L. c.231 §6B (tort; from commencement of the action) and §6C (contract; from breach/demand, or commencement if not established). Applied as simple interest in MA practice. Carve-outs: an established contract rate displaces the §6C default; judgments against the commonwealth bear interest per §6I (weekly-average 1-yr Treasury CMT, capped at 10%). The official statute pages show no amendment history; the 12% figure has been stable since the early 1980s. Date shown is when the current text was verified (2026-07-08). Verify against the statute; not legal advice."
        }
      ]
    }
  }
}