What is the best lot size for $100?

I understand that the question you're posing is about determining the optimal lot size for trading with a $100 investment in cryptocurrency or financial markets. Could you please clarify what type of trading you're referring to, such as forex, stocks, or cryptocurrency trading? This will help me provide a more accurate and relevant answer. In general, the best lot size will depend on several factors, including your risk tolerance, trading strategy, and the asset you're trading. For instance, in forex trading, a lot size represents the number of currency units being traded, and it can vary from a micro lot (0.01 standard lot) to a standard lot (100,000 currency units). Given a $100 investment, it's important to consider the potential risks and rewards associated with each lot size. Trading with a larger lot size can potentially yield higher profits, but it also carries a higher risk of losing a significant portion of your investment. On the other hand, trading with a smaller lot size may limit your potential profits, but it can help you manage your risk more effectively. Therefore, I would recommend carefully assessing your risk tolerance and trading goals before deciding on a lot size. Additionally, you may want to consider using a risk management strategy, such as stop-loss orders, to limit your potential losses. Ultimately, the best lot size for you will depend on your individual circumstances and trading objectives.