"lookback" meaning in English

{
  "forms": [
    {
      "form": "lookbacks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lookback (plural lookbacks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "look-back"
        }
      ],
      "categories": [
        {
          "_dis": "58 42",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "64 36",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "70 30",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Alternative form of look-back"
      ],
      "id": "en-lookback-en-noun-n1FDb9oZ",
      "links": [
        [
          "look-back",
          "look-back#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Finance",
          "orig": "en:Finance",
          "parents": [
            "Business",
            "Economics",
            "Society",
            "Social sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2009, Don M. Chance, Robert Edwin Brooks, An Introduction to Derivatives and Risk Management:",
          "text": "Another interesting path-dependent option is the lookback option. A lookback call allows you to buy the asset at the lowest price and a lookback put allows you to sell it at the highest price attained during the life of the option.",
          "type": "quote"
        },
        {
          "ref": "2011, Frans de Weert, Exotic Options Trading:",
          "text": "The principle of a lookback option is to give the investor the maximum payoff based on perfect hindsight.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A kind of exotic option whose payoff depends on the optimal (maximum or minimum) underlying asset's price occurring over the life of the option."
      ],
      "id": "en-lookback-en-noun-I0jOQ-ee",
      "links": [
        [
          "finance",
          "finance#Noun"
        ],
        [
          "exotic",
          "exotic"
        ],
        [
          "option",
          "option"
        ],
        [
          "payoff",
          "payoff"
        ],
        [
          "optimal",
          "optimal"
        ],
        [
          "maximum",
          "maximum"
        ],
        [
          "minimum",
          "minimum"
        ],
        [
          "asset",
          "asset"
        ],
        [
          "price",
          "price"
        ]
      ],
      "raw_glosses": [
        "(finance, often attributive) A kind of exotic option whose payoff depends on the optimal (maximum or minimum) underlying asset's price occurring over the life of the option."
      ],
      "tags": [
        "attributive",
        "often"
      ],
      "topics": [
        "business",
        "finance"
      ]
    }
  ],
  "word": "lookback"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "lookbacks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lookback (plural lookbacks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "look-back"
        }
      ],
      "glosses": [
        "Alternative form of look-back"
      ],
      "links": [
        [
          "look-back",
          "look-back#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    },
    {
      "categories": [
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Finance"
      ],
      "examples": [
        {
          "ref": "2009, Don M. Chance, Robert Edwin Brooks, An Introduction to Derivatives and Risk Management:",
          "text": "Another interesting path-dependent option is the lookback option. A lookback call allows you to buy the asset at the lowest price and a lookback put allows you to sell it at the highest price attained during the life of the option.",
          "type": "quote"
        },
        {
          "ref": "2011, Frans de Weert, Exotic Options Trading:",
          "text": "The principle of a lookback option is to give the investor the maximum payoff based on perfect hindsight.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A kind of exotic option whose payoff depends on the optimal (maximum or minimum) underlying asset's price occurring over the life of the option."
      ],
      "links": [
        [
          "finance",
          "finance#Noun"
        ],
        [
          "exotic",
          "exotic"
        ],
        [
          "option",
          "option"
        ],
        [
          "payoff",
          "payoff"
        ],
        [
          "optimal",
          "optimal"
        ],
        [
          "maximum",
          "maximum"
        ],
        [
          "minimum",
          "minimum"
        ],
        [
          "asset",
          "asset"
        ],
        [
          "price",
          "price"
        ]
      ],
      "raw_glosses": [
        "(finance, often attributive) A kind of exotic option whose payoff depends on the optimal (maximum or minimum) underlying asset's price occurring over the life of the option."
      ],
      "tags": [
        "attributive",
        "often"
      ],
      "topics": [
        "business",
        "finance"
      ]
    }
  ],
  "word": "lookback"
}