How much is 1 RBX in dollars?

Excuse me, I'm a bit new to the cryptocurrency market and I've encountered this denomination 'RBX' for the first time. Could you please enlighten me on the current exchange rate? Specifically, I'm wondering how much one unit of RBX is equivalent to in US dollars? I've been trying to find the answer online but the information seems quite scattered. Your expertise in this field would be greatly appreciated. Additionally, if you could also provide some insights on the potential growth or stability of RBX in the future, that would be fantastic. Thank you for your time and assistance.