The content you provided is already in English and preserves the HTML format. However, I will ensure that it is correctly formatted within the HTML context:
```html
volmex.finance is a tokenized volatility protocol built on Ethereum. The protocol implements a crypto asset index similar to VIX and trading functionalities powered by Ethereum. The Bitcoin Volatility Index Token (BTCV) is designed to track the reference Bitcoin Volatility Index price, which is the standard for measuring the expected volatility of Bitcoin over the next 30 days.
```
If you intended to have it translated into another language and then back into English while keeping the HTML structure, please specify the target language for the initial translation.
