---
title: Get the CIK number corresponding to a ticker symbol
description: OpenBB Platform Data Model
---
import Tabs from '@theme/Tabs';
import TabItem from '@theme/TabItem';
---
## Implementation details
### Class names
| Model name | Parameters class | Data class |
| ---------- | ---------------- | ---------- |
| `CikMap` | `CikMapQueryParams` | `CikMapData` |
### Import Statement
```python
from openbb_core.provider.standard_models. import (
CikMapData,
CikMapQueryParams,
)
```
## Parameters
| Name | Type | Description | Default | Optional |
| ---- | ---- | ----------- | ------- | -------- |
| symbol | Union[str, List[str]] | Symbol to get data for. | | False |
| provider | Literal['sec'] | The provider to use for the query, by default None. If None, the provider specified in defaults is selected or 'sec' if there is no default. | sec | True |
## Data
| Name | Type | Description |
| ---- | ---- | ----------- |
| Name | Type | Description |
| ---- | ---- | ----------- |
| cik | Union[str, int] | Central Index Key |