Yes, it is possible to open an account and start trading with only $100. However, be aware that the options available will be limited, and unless you trade recklessly or with high risk (which is not recommended, not least because it could help set bad habits), trader's returns will be limited. While a return of 2% on a single trade might sound like a great result, it may be less motivating once realised it only resulted in a $2 gain. While starting small can be a good way to learn the ropes without risking too much capital, there is always danger that – unless traders are very disciplined – they'll get carried away and start risking a larger percentage of their capital to maximise those returns. Of course, the solution to this is not to deposit more funds if: Not ready for it or Cannot afford to lose them. Instead, consider going back to your demo account to keep testing your strategy until you feel comfortable.