The first card, the reversed The Devil, suggests that you aspire to free yourself from the limitations and obstacles you encounter. This is a good sign because it indicates that you are ready to overcome difficulties and face the challenges that await you. The card also indicates that you dream of profiting from an activity in which you are passionate and where you can put your skills into play.
The second card, Seven of Swords, hints that you are facing some difficulties on your way to realizing your goals. This card indicates that you have a clear idea of what you want to do, but there may be some problems in executing it. Maybe you're not quite ready to take the necessary steps or put all the effort into achieving your goals.
The last card, The Sun, indicates that the enlightenment you are seeking is coming soon. This card suggests that your perseverance and persistence will eventually pay off and you will succeed in achieving the desired success. Furthermore, the card suggests not to be too anxious or impatient: you have to wait for the right moment to act and when your moment comes you will be ready to strike intelligently and effectively.
Bottom line, with respect to the question of what are the odds of making a big profit through short-term foreign exchange trading, reading the cards suggests that there is a high chance of success. However, you must overcome some difficulties along the way and be ready to wait for the right moment to act. If you can do all of this, then you have a good chance of earning quite a bit through foreign currencies. The answer is therefore: Yes, there is a high possibility of making money trading foreign currencies in the short term.