---
title: ewf
description: The documentation page discusses two functions - openbb.crypto.ov.ewf
and openbb.crypto.ov.ewf_chart. The first function scrapes exchange withdrawal fees
and returns a DataFrame with details on Exchange, Coins, and various statistics.
The second function allows users to export this data into different formats. The
source code and use cases of both functions are included.
keywords:
- openbb.crypto.ov.ewf
- Exchange withdrawal fees
- Scrapes exchange withdrawal fees
- openbb.crypto.ov.ewf_chart
- Model
- Chart
- Source Code
- Export dataframe data
---
import HeadTitle from '@site/src/components/General/HeadTitle.tsx';
import Tabs from '@theme/Tabs';
import TabItem from '@theme/TabItem';
Scrapes exchange withdrawal fees
Source Code: [[link](https://github.com/OpenBB-finance/OpenBBTerminal/tree/main/openbb_terminal/cryptocurrency/overview/withdrawalfees_model.py#L182)]
```python
openbb.crypto.ov.ewf()
```
---
## Parameters
This function does not take any parameters.
---
## Returns
| Type | Description |
| ---- | ----------- |
| pd.DataFrame | Exchange, Coins, Lowest, Average, Median, Highest |
---
Exchange withdrawal fees
Source Code: [[link](https://github.com/OpenBB-finance/OpenBBTerminal/tree/main/openbb_terminal/cryptocurrency/overview/withdrawalfees_view.py#L53)]
```python
openbb.crypto.ov.ewf_chart(export: str = "")
```
---
## Parameters
| Name | Type | Description | Default | Optional |
| ---- | ---- | ----------- | ------- | -------- |
| export | str | Export dataframe data to csv,json,xlsx file | | True |
---
## Returns
This function does not return anything
---