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  "domain": "finance",
  "title": "Cost of capital Japan 2026 reference",
  "entry_type": "wiki_entry",
  "frontmatter": {
    "title": "Cost of capital Japan 2026 reference",
    "aliases": [
      "cost-of-capital-japan-2026-reference",
      "Japan WACC 2026",
      "Japan cost of capital reference",
      "Japan equity risk premium 2026",
      "Japan risk-free rate reference",
      "Japan TONA discount rate",
      "Japan hypothetical WACC sensitivity grid"
    ],
    "domain": "finance",
    "type": null,
    "created": "2026-05-25",
    "last_updated": "2026-07-29",
    "last_tended": "2026-07-29",
    "review_by": "2027-01-29",
    "confidence": "likely",
    "tags": [
      "finance",
      "cost-of-capital",
      "WACC",
      "equity-risk-premium",
      "beta",
      "japan",
      "valuation",
      "tona"
    ],
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    "note": null,
    "sources": [
      "https://www.boj.or.jp/en/statistics/market/index.htm",
      "https://www.mof.go.jp/english/policy/jgbs/reference/interest_rate/index.htm",
      "https://www.jpx.co.jp/english/markets/statistics-equities/index.html",
      "https://www.jpx.co.jp/english/equities/follow-up/02.html",
      "https://www.boj.or.jp/en/mopo/mpmdeci/state_2024/k240319a.htm",
      "https://pages.stern.nyu.edu/adamodar/New_Home_Page/datacurrent.html",
      "https://pages.stern.nyu.edu/~adamodar/New_Home_Page/datafile/ctryprem.htm"
    ]
  },
  "summary": "The cost of capital is a highly sensitive input in any DCF valuation and a structural anchor for LBO economics, real-estate IRR underwriting, and acquisition finance pricing. For Japan, practitioners should refresh the JGB or TONA/OIS reference rate on the valuation date, select and document an ERP",
  "headings": [
    "Cost of capital Japan 2026 reference",
    "TL;DR",
    "Wiki route",
    "Cost of Capital — Structural Formula",
    "Long-end (10Y JGB)",
    "Short-end (TONA / OIS)",
    "Intermediate / belly",
    "Historical ERP",
    "Implied ERP",
    "Beta Sources"
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