Answer: Returns on uni3 can be strictly negative due to the nature of trading. Trading can be a very risky endeavor and the majority of traders tend to lose capital. This is due to the fact that the markets are unpredictable and can move in unexpected directions. Therefore, even with the help of liquidity managers, returns on uni3 can still be negative due to the inherent risks associated with trading. That being said, it is possible for some traders to be successful and generate positive returns, but this requires a great deal of skill and experience.