This problem happens due to a longstanding issue with Brave Shields and Tradingview charts.
To fix it, all you need to do is one of the following:
- Turn off Brave Shields for mushino.com.
- Disable Device Recognition for the Brave Shields
Check this guide by Brave for more details on how to configure Brave Shields: https://support.brave.com/hc/en-us/articles/360022806212-How-do-I-use-Shields-while-browsing-