Deciding when to sell Litecoin can depend on various factors such as your investment goals, market conditions, and personal financial situation. It is important to consider conducting thorough research on Litecoin's price trends, upcoming developments, and overall market sentiment before making a decision to sell. Additionally, setting clear profit-taking targets or stop-loss levels can help you make more informed choices about when to sell your Litecoin holdings. Remember that cryptocurrency markets can be volatile, so it's important to have a well-thought-out strategy in place.