"negative interest" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "negative interest (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Finance",
          "orig": "en:Finance",
          "parents": [
            "Business",
            "Economics",
            "Society",
            "Social sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A fee deducted from money to be stored in a bank, instead of interest paid on that money."
      ],
      "id": "en-negative_interest-en-noun-TPmwzN4~",
      "links": [
        [
          "finance",
          "finance#Noun"
        ],
        [
          "fee",
          "fee"
        ],
        [
          "deduct",
          "deduct"
        ],
        [
          "money",
          "money"
        ],
        [
          "store",
          "store"
        ],
        [
          "bank",
          "bank"
        ],
        [
          "interest",
          "interest"
        ]
      ],
      "raw_glosses": [
        "(finance) A fee deducted from money to be stored in a bank, instead of interest paid on that money."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "business",
        "finance"
      ]
    }
  ],
  "word": "negative interest"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "negative interest (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "en:Finance"
      ],
      "glosses": [
        "A fee deducted from money to be stored in a bank, instead of interest paid on that money."
      ],
      "links": [
        [
          "finance",
          "finance#Noun"
        ],
        [
          "fee",
          "fee"
        ],
        [
          "deduct",
          "deduct"
        ],
        [
          "money",
          "money"
        ],
        [
          "store",
          "store"
        ],
        [
          "bank",
          "bank"
        ],
        [
          "interest",
          "interest"
        ]
      ],
      "raw_glosses": [
        "(finance) A fee deducted from money to be stored in a bank, instead of interest paid on that money."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "business",
        "finance"
      ]
    }
  ],
  "word": "negative interest"
}