---
title: pr
description: The documentation explains how to leverage APIs for calculating and comparing
potential returns of cryptocurrencies. It details requirements and parameters for
two functions - fetching data for potential returns calculation and function to
record these returns.
keywords:
- cryptocurrency
- potential returns
- coin comparison
- fetch data
- APIs usage
- python functions
- coin calculation
- pr model
- pr chart
- CoinGecko source
---
import HeadTitle from '@site/src/components/General/HeadTitle.tsx';
import Tabs from '@theme/Tabs';
import TabItem from '@theme/TabItem';
Fetch data to calculate potential returns of a certain coin. [Source: CoinGecko]
Source Code: [[link](https://github.com/OpenBB-finance/OpenBBTerminal/tree/main/openbb_terminal/cryptocurrency/due_diligence/pycoingecko_model.py#L63)]
```python
openbb.crypto.dd.pr(main_coin: str, to_symbol: Optional[str] = None, limit: Optional[int] = None, price: Optional[int] = None)
```
---
## Parameters
| Name | Type | Description | Default | Optional |
| ---- | ---- | ----------- | ------- | -------- |
| main_coin | str | Coin loaded to check potential returns for (e.g., algorand) | None | False |
| to_symbol | str | None | Coin to compare main_coin with (e.g., bitcoin) | None | True |
| limit | int | None | Number of coins with highest market cap to compare main_coin with (e.g., 5) | None | True |
| price | None | Target price of main_coin to check potential returns (e.g., 5) | None | True |
---
## Returns
| Type | Description |
| ---- | ----------- |
| pd.DataFrame | Potential returns data
Columns: Coin, Current Price, Target Coin, Potential Price, Potential Market Cap ($), Change (%) |
---
Prints table showing potential returns of a certain coin. [Source: CoinGecko]
Source Code: [[link](https://github.com/OpenBB-finance/OpenBBTerminal/tree/main/openbb_terminal/cryptocurrency/due_diligence/pycoingecko_view.py#L20)]
```python
openbb.crypto.dd.pr_chart(to_symbol: str, from_symbol: Optional[str] = None, limit: Optional[int] = None, price: Optional[int] = None, export: str = "")
```
---
## Parameters
| Name | Type | Description | Default | Optional |
| ---- | ---- | ----------- | ------- | -------- |
| to_symbol | str | Coin loaded to check potential returns for (e.g., algorand) | None | False |
| from_symbol | str | None | Coin to compare main_coin with (e.g., bitcoin) | None | True |
| limit | int | None | Number of coins with highest market cap to compare main_coin with (e.g., 5) | None | True |
| price | None | Target price of main_coin to check potential returns (e.g., 5) | None | True |
| export | str | Export dataframe data to csv,json,xlsx file | | True |
---
## Returns
This function does not return anything
---