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    "display_name": "株価収益率(PER)",
    "english_name": "Price-to-Earnings Ratio (P/E)",
    "abbreviation": "P/E",
    "short_definition": "The P/E ratio shows how much investors pay per unit of earnings.",
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      "text": "株価収益率(PER)",
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      "title": "一言でいうと",
      "text": "The P/E ratio shows how much investors pay per unit of earnings.",
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      "title": "計算の考え方",
      "text": "Price-to-Earnings Ratio (P/E) should be calculated with a stable numerator, denominator, and time window. Formula | P/E Ratio = Market Price per Share / Earnings per Share | Use it to compare market valuation against reported earnings. Time window | Use the same period for every comparison | Prevents artificial movement Segment | Calculate by plan, market, cohort, or owner when useful | Reveals where the change came from",
      "items": [
        "Formula | P/E Ratio = Market Price per Share / Earnings per Share | Use it to compare market valuation against reported earnings.",
        "Time window | Use the same period for every comparison | Prevents artificial movement",
        "Segment | Calculate by plan, market, cohort, or owner when useful | Reveals where the change came from"
      ]
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      "title": "含めるもの / 含めないもの",
      "text": "The boundary of Price-to-Earnings Ratio (P/E) must be written before it is used as a KPI. Include | Recurring and comparable inputs that match the definition | Keeps trend analysis reliable Exclude | One-off, unmatched, or non-comparable items | Avoids inflated or misleading movement Document | Data source, owner, refresh timing, and exception rules | Makes reviews reproducible",
      "items": [
        "Include | Recurring and comparable inputs that match the definition | Keeps trend analysis reliable",
        "Exclude | One-off, unmatched, or non-comparable items | Avoids inflated or misleading movement",
        "Document | Data source, owner, refresh timing, and exception rules | Makes reviews reproducible"
      ]
    },
    "usage": [
      {
        "key": "meaning",
        "title": "意味",
        "text": "The Price-to-Earnings (P/E) ratio is share price divided by earnings per share, reflecting market expectations about growth and profitability.Because it embeds market expectations, P/E must be evaluated with growth and risk assumptions.",
        "items": []
      },
      {
        "key": "usage",
        "title": "役立つ場面",
        "text": "It links market expectations to earnings, improving valuation decisions. Trend tracking shows how expectations shift over time. Peer comparison helps form over/undervaluation hypotheses.",
        "items": [
          "It links market expectations to earnings, improving valuation decisions.",
          "Trend tracking shows how expectations shift over time.",
          "Peer comparison helps form over/undervaluation hypotheses."
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        "title": "使い方のポイント",
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        "items": [
          "Confirm the EPS definition and time period used.",
          "Adjust for one-time earnings effects to read sustainability.",
          "Interpret alongside growth and margin indicators.",
          "Account for capital structure and accounting differences.",
          "Make valuation assumptions explicit before decisions."
        ]
      },
      {
        "key": "drivers",
        "title": "何が数字を動かすか",
        "text": "Price-to-Earnings Ratio (P/E) changes because the underlying operating drivers change. Volume | More or fewer units, users, customers, or transactions | Explains scale effects Mix | Change in segment, plan, product, or channel composition | Explains quality of growth or decline Efficiency | Better conversion, retention, cost control, or process discipline | Explains operating improvement",
        "items": [
          "Volume | More or fewer units, users, customers, or transactions | Explains scale effects",
          "Mix | Change in segment, plan, product, or channel composition | Explains quality of growth or decline",
          "Efficiency | Better conversion, retention, cost control, or process discipline | Explains operating improvement"
        ]
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        "key": "misunderstandings",
        "title": "判断するときの注意点",
        "text": "Do not read Price-to-Earnings Ratio (P/E) alone. Compare with companion metrics before changing budget or targets. Check whether the movement came from real performance or definition drift. Avoid optimizing the metric in a way that harms customer quality or long-term value.",
        "items": [
          "Compare with companion metrics before changing budget or targets.",
          "Check whether the movement came from real performance or definition drift.",
          "Avoid optimizing the metric in a way that harms customer quality or long-term value."
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        "text": null,
        "items": [
          "A low P/E is not always a bargain without quality checks.",
          "Growth assumptions can make P/E misleading if wrong.",
          "It should not be used as the only decision metric."
        ]
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        "title": "最小例",
        "text": "Example: Compare a company's P/E to peers to assess whether growth expectations are high or low.Compute P/E using adjusted EPS and show growth and risk assumptions alongside it.Avoid simplistic comparisons across very different industries.Use multi-year averages if earnings are volatile.",
        "items": []
      }
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        "title": "似ている言葉との違い",
        "text": "Compare Price-to-Earnings Ratio (P/E) with adjacent concepts before deciding. Price-to-Earnings Ratio (P/E) | Current concept | Use when the team needs the primary decision lens Adjacent metric or framework | Supporting lens | Use when the team needs evidence or process detail General vocabulary | Broad explanation | Use only for orientation, not final decision-making",
        "items": [
          "Price-to-Earnings Ratio (P/E) | Current concept | Use when the team needs the primary decision lens",
          "Adjacent metric or framework | Supporting lens | Use when the team needs evidence or process detail",
          "General vocabulary | Broad explanation | Use only for orientation, not final decision-making"
        ]
      },
      {
        "key": "related_metrics",
        "title": "一緒に見る指標",
        "text": "Read Price-to-Earnings Ratio (P/E) together with metrics that explain quality, scale, and risk. Growth metric | Shows direction | Explains whether the trend is improving Efficiency metric | Shows cost or effort | Explains whether the result is economical Risk metric | Shows volatility or concentration | Explains whether the result is durable",
        "items": [
          "Growth metric | Shows direction | Explains whether the trend is improving",
          "Efficiency metric | Shows cost or effort | Explains whether the result is economical",
          "Risk metric | Shows volatility or concentration | Explains whether the result is durable"
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        "answer": "Use it when the team needs to decide scope, priority, owner, or trade-off, not when it only needs a short definition."
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        "question": "What makes Price-to-Earnings Ratio (P/E) useful in practice?",
        "answer": "It becomes useful when it is tied to evidence, a decision owner, and a concrete next operating choice."
      },
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        "question": "What should I avoid?",
        "answer": "Avoid using the term as a label without clarifying assumptions, boundaries, and how success will be judged."
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      "text": "The boundary of Price-to-Earnings Ratio (P/E) must be written before it is used as a KPI. Include | Recurring and comparable inputs that match the definition | Keeps trend analysis reliable Exclude | One-off, unmatched, or non-comparable items | Avoids inflated or misleading movement Document | Data source, owner, refresh timing, and exception rules | Makes reviews reproducible Include | Recurring and comparable inputs that match the definition | Keeps trend analysis reliable Exclude | One-off, unmatched, or non-comparable items | Avoids inflated or misleading movement Document | Data source, owner, refresh timing, and exception rules | Makes reviews reproducible",
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      "text": "Price-to-Earnings Ratio (P/E) changes because the underlying operating drivers change. Volume | More or fewer units, users, customers, or transactions | Explains scale effects Mix | Change in segment, plan, product, or channel composition | Explains quality of growth or decline Efficiency | Better conversion, retention, cost control, or process discipline | Explains operating improvement Volume | More or fewer units, users, customers, or transactions | Explains scale effects Mix | Change in segment, plan, product, or channel composition | Explains quality of growth or decline Efficiency | Better conversion, retention, cost control, or process discipline | Explains operating improvement",
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      "text": "Do not read Price-to-Earnings Ratio (P/E) alone. Compare with companion metrics before changing budget or targets. Check whether the movement came from real performance or definition drift. Avoid optimizing the metric in a way that harms customer quality or long-term value. Compare with companion metrics before changing budget or targets. Check whether the movement came from real performance or definition drift. Avoid optimizing the metric in a way that harms customer quality or long-term value.",
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      "text": "A low P/E is not always a bargain without quality checks. Growth assumptions can make P/E misleading if wrong. It should not be used as the only decision metric.",
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      "text": "Example: Compare a company's P/E to peers to assess whether growth expectations are high or low.Compute P/E using adjusted EPS and show growth and risk assumptions alongside it.Avoid simplistic comparisons across very different industries.Use multi-year averages if earnings are volatile.",
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      "text": "Compare Price-to-Earnings Ratio (P/E) with adjacent concepts before deciding. Price-to-Earnings Ratio (P/E) | Current concept | Use when the team needs the primary decision lens Adjacent metric or framework | Supporting lens | Use when the team needs evidence or process detail General vocabulary | Broad explanation | Use only for orientation, not final decision-making Price-to-Earnings Ratio (P/E) | Current concept | Use when the team needs the primary decision lens Adjacent metric or framework | Supporting lens | Use when the team needs evidence or process detail General vocabulary | Broad explanation | Use only for orientation, not final decision-making",
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      "text": "Read Price-to-Earnings Ratio (P/E) together with metrics that explain quality, scale, and risk. Growth metric | Shows direction | Explains whether the trend is improving Efficiency metric | Shows cost or effort | Explains whether the result is economical Risk metric | Shows volatility or concentration | Explains whether the result is durable Growth metric | Shows direction | Explains whether the trend is improving Efficiency metric | Shows cost or effort | Explains whether the result is economical Risk metric | Shows volatility or concentration | Explains whether the result is durable",
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      "section_key": "faq",
      "heading": "When should I use Price-to-Earnings Ratio (P/E)?",
      "text": "When should I use Price-to-Earnings Ratio (P/E)? Use it when the team needs to decide scope, priority, owner, or trade-off, not when it only needs a short definition.",
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      "section_key": "faq",
      "heading": "What makes Price-to-Earnings Ratio (P/E) useful in practice?",
      "text": "What makes Price-to-Earnings Ratio (P/E) useful in practice? It becomes useful when it is tied to evidence, a decision owner, and a concrete next operating choice.",
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      "heading": "What should I avoid?",
      "text": "What should I avoid? Avoid using the term as a label without clarifying assumptions, boundaries, and how success will be judged.",
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    "text": "이 페이지는 조사와 학습을 위한 참조 정보입니다. 회계, 법무, 금융, 의료, 보안 등 개별 판단은 1차 출처나 전문가 확인을 우선하세요.",
    "items": [
      "공개 페이지는 일반 이해와 실무 맥락을 돕는 자료이며, 개별 사안의 전문 조언이 아닙니다.",
      "제도, 가격, 규제, 회계 기준, 제품 사양처럼 빠르게 변하는 정보는 최종 판단 전에 1차 출처를 확인해야 합니다.",
      "AI 지원 제작·감사 흐름을 사용하더라도 공개 여부는 품질 게이트와 사람이 읽을 수 있는 증거에 기반해 다룹니다."
    ]
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}
