> For the complete documentation index, see [llms.txt](https://docs.pacman.finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.pacman.finance/functionality/opac-strike.md).

# oPAC Strike

**oPAC** is a call option token for **PAC** that lets its holder purchase **PAC** at a discount to the market price. Unlike regular options, oPAC does not expire.

Here is an example of converting oPAC to PAC:

```
PAC Price: $0.78
ETH Price: $1600
Strike Price: $0.39
Discount: 30% + 20%

1 oPAC + 0.00024375 ETH = 1 PAC

After selling PAC, the user can get $0.78

Treasury Income: 1 oPAC + 0.00024375 ETH
User earns：$0.39
```

<figure><img src="https://1015947737-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5iofYJgbJXxQeOIhKLky%2Fuploads%2FJiRYQA4a4ajRL63ea0gx%2Fimage.png?alt=media&amp;token=57f0ff63-034a-4838-98aa-e30d4aabf1fb" alt=""><figcaption></figcaption></figure>

For more details read [oPAC](/tokenomics/opac.md).