{
  "date": "2026-10-09",
  "unit": "percent",
  "yields": {
    "1Y": 1.647,
    "2Y": 1.911,
    "3Y": 2.052,
    "4Y": 2.234,
    "5Y": 2.366,
    "6Y": 2.484,
    "7Y": 2.604,
    "8Y": 2.761,
    "9Y": 2.894,
    "10Y": 3.027,
    "15Y": 3.558,
    "20Y": 3.853,
    "25Y": 4.11,
    "30Y": 4.085,
    "40Y": 4.081
  },
  "source": "Ministry of Finance Japan",
  "source_url": "https://www.mof.go.jp/english/policy/jgbs/reference/interest_rate/jgbcme.csv"
}