What is the yield of USDD?

Could you please explain to me what the yield of USDD is? I'm quite curious about its potential returns and how it compares to other cryptocurrencies or traditional investment options. Could you also elaborate on any risks associated with investing in USDD and how its yield might be affected by market fluctuations? Additionally, I'm interested in knowing if there are any specific strategies or considerations one should make when investing in USDD to maximize returns while minimizing risks. Thank you for your insights and clarification on this topic.