Characters behind twitch names?

Behind my name is a kind of ball with one written on it. What's this?

If the streamer has created a bet with channel points and you have voted for a side, this symbol will be displayed in the chat. This is also the case with other users. Depending on what they voted for, they have a pink or a blue mark.

This is the sign when you take part in a bet / prediction. Either you have the blue, so you think option 1 is correct, or option 2 (pink).

I didn't know that either