> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mx.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Overview

Holdings represent a stock, bond, or other type of investment.

<Warning>
  As of January 1, 2025, CUSIP is no longer supported. Please refer to the most-up-to-date [investment documentation](/products/data/investment-data-enhancement/).
</Warning>

## Holding Fields

| Field Name       | Data Type | Description                                                                                                               |
| ---------------- | --------- | ------------------------------------------------------------------------------------------------------------------------- |
| `account_guid`   | String    | The unique identifier for the `account` associated with the `holding`. Defined by MX.                                     |
| `cost_basis`     | Decimal   | The cost basis is the original value of an asset adjusted for stock splits, dividends, and capital distributions.         |
| `created_at`     | String    | Date and time the `holding` was created, represented in ISO 8601 format, with a timestamp.                                |
| `currency_code`  | String    | The three-character ISO 4217 currency code.                                                                               |
| `daily_change`   | Decimal   | The change from the previous day in the price of the `holding`.                                                           |
| `description`    | String    | A human-readable description of the holding.                                                                              |
| `guid`           | String    | The unique identifier for the `holding`. Defined by MX.                                                                   |
| `holding_type`   | String    | The type of `holding`, e.g., mutual fund, bond, etc.                                                                      |
| `market_value`   | Decimal   | The market value of the holding.                                                                                          |
| `member_guid`    | String    | The unique identifier for the `member` associated with the `holding`.                                                     |
| `purchase_price` | String    | The purchase price of the `holding`.                                                                                      |
| `shares`         | Decimal   | The number of shares for the `holding`.                                                                                   |
| `symbol`         | String    | The ticker symbol, i.e. the abbreviation used to uniquely identify publicly traded stocks, bonds, mutual funds, and ETFs. |
| `updated_at`     | String    | The date and time the `holding` was last updated, represented in ISO 8601 format with timestamp.                          |
| `user_guid`      | String    | The unique identifier for the `user` associated with the `holding`.                                                       |

## Holding types

```
ANNUITY
CASH
EQUITY
EXCHANGE_TRADED_FUND
FIXED_INCOME
HEDGE_FUND
MONEY_MARKET
MUTUAL_FUND
OPTIONS
UNIT_INVESTMENT_TRUST
UNKNOWN_TYPE
```