ISIN

finance.securities.isin

International Securities Identification Number. 12-character alphanumeric code that uniquely identifies a specific securities issue. Format: 2-letter country code (ISO 3166-1) + 9-character alphanumeric NSIN + 1 check digit (Luhn on alpha-to-numeric conversion where A=10, B=11, ..., Z=35).

Domain

finance

Try it

CLI

$ finetype infer -i "US0378331005"
→ finance.securities.isin

DuckDB

Detect

SELECT finetype('US0378331005');
-- → 'finance.securities.isin'

Cast expression

CAST({col} AS VARCHAR)

Safe cast pipeline

-- Normalise and cast in one step
SELECT TRY_CAST(finetype_cast(my_column) AS VARCHAR) AS clean_value
FROM my_table
WHERE finetype(my_column) = 'finance.securities.isin';

Struct Expansion

Expression

check_digit: SUBSTRING({col}, 12, 1)
country: SUBSTRING({col}, 1, 2)
nsin: SUBSTRING({col}, 3, 9)

JSON Schema

finetype schema finance.securities.isin

{
  "$id": "https://meridian.online/schemas/finance.securities.isin",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "description": "International Securities Identification Number. 12-character alphanumeric code that uniquely identifies a specific securities issue. Format: 2-letter country code (ISO 3166-1) + 9-character alphanumeric NSIN + 1 check digit (Luhn on alpha-to-numeric conversion where A=10, B=11, ..., Z=35).",
  "examples": [
    "US0378331005",
    "GB0002634946",
    "JP3633400001",
    "DE0007164600"
  ],
  "pattern": "^[A-Z]{2}[A-Z0-9]{9}[0-9]$",
  "title": "ISIN",
  "type": "string",
  "x-finetype-broad-type": "VARCHAR",
  "x-finetype-transform": "CAST({col} AS VARCHAR)"
}

Examples

US0378331005GB0002634946JP3633400001DE0007164600