{
  "spec_version": "3",
  "endpoint": "decisions",
  "stock_code": "8601",
  "company_name": "大和証券グループ本社",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/8601/",
  "api_url": "/api/8601/decisions.json",
  "updated": "2026-08-05",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/8601/",
  "count": 4,
  "description": "Index of this company's management decisions. One decision = one endpoint: follow api_url for the full dossier (background, the decision itself, outcome, quoted primary sources and references).",
  "decisions": [
    {
      "slug": "holding-company-1999",
      "url": "/tse/8601/decisions/holding-company-1999/",
      "api_url": "/api/8601/decisions/holding-company-1999.json",
      "year": 1999,
      "month": null,
      "type": "reorganization",
      "tags": [
        "cp-holdings",
        "cp-crossholding"
      ],
      "title": "住友銀行との資本提携と証券業界初の純粋持株会社化",
      "subtitle": "証券不況とビッグバンのなか、原良也社長は業界2位の生き残りをどんな組織に託したか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "smbc-jv-dissolution-2009",
      "url": "/tse/8601/decisions/smbc-jv-dissolution-2009/",
      "api_url": "/api/8601/decisions/smbc-jv-dissolution-2009.json",
      "year": 2009,
      "month": 9,
      "type": "capital",
      "tags": [
        "ma-breakup",
        "cp-crossholding"
      ],
      "title": "大和証券SMBCの合弁解消と三井住友保有40%株の買取による完全子会社化",
      "subtitle": "銀行の資本に付くか、独立を守るか——業界2位はホールセールの合弁をなぜ10年で解いたか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "daiwa-next-bank-2011",
      "url": "/tse/8601/decisions/daiwa-next-bank-2011/",
      "api_url": "/api/8601/decisions/daiwa-next-bank-2011.json",
      "year": 2011,
      "month": null,
      "type": "new_business",
      "tags": [
        "pf-diversify-related"
      ],
      "title": "大和ネクスト銀行の設立による証券グループの銀行業参入",
      "subtitle": "銀行を持たない証券会社は顧客の余裕資金をどうつなぎ留めるか——独立系に戻った大和が選んだ自前のネット銀行",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "wealth-management-shift-2024",
      "url": "/tse/8601/decisions/wealth-management-shift-2024/",
      "api_url": "/api/8601/decisions/wealth-management-shift-2024.json",
      "year": 2024,
      "month": 4,
      "type": "transformation",
      "tags": [
        "bm-model-shift"
      ],
      "title": "単品売買モデルから顧客の資産価値最大化を掲げる資産管理型ビジネスへの転換",
      "subtitle": "売買仲介で稼ぐ会社か、顧客の資産を預かり育てる会社か——創業以来のやり方からかじを切る転換は何を変えるか",
      "status": "implemented",
      "status_label": "実施"
    }
  ],
  "by_type": [
    {
      "key": "capital",
      "count": 1,
      "url": "/api/8601/decisions/by-type/capital.json"
    },
    {
      "key": "new_business",
      "count": 1,
      "url": "/api/8601/decisions/by-type/new_business.json"
    },
    {
      "key": "reorganization",
      "count": 1,
      "url": "/api/8601/decisions/by-type/reorganization.json"
    },
    {
      "key": "transformation",
      "count": 1,
      "url": "/api/8601/decisions/by-type/transformation.json"
    }
  ],
  "by_decade": [
    {
      "key": "1990s",
      "count": 1,
      "url": "/api/8601/decisions/by-decade/1990s.json"
    },
    {
      "key": "2000s",
      "count": 1,
      "url": "/api/8601/decisions/by-decade/2000s.json"
    },
    {
      "key": "2010s",
      "count": 1,
      "url": "/api/8601/decisions/by-decade/2010s.json"
    },
    {
      "key": "2020s",
      "count": 1,
      "url": "/api/8601/decisions/by-decade/2020s.json"
    }
  ]
}