Mercury rules 7th and 10th house is in 9th house in Leo

Mercury in the 9th house in Leo sign is a very intelligent placement. It indicates that you have a deep interest in philosophy, religion, and spirituality. With this placement, you have a very analytical mind, and you are able to grasp complex concepts easily. You have a great desire to learn and study, and you may have a natural talent for teaching.

This placement also indicates that you have a strong communication skill and that you are capable of speaking persuasively. You may have a natural talent for writing, speaking, or even sales. You may have an interest in politics or law, and you may pursue a career in these fields.

As Leo is a fiery sign, you may have a strong ego and be very confident in your abilities. You may have a tendency to be opinionated and may sometimes come across as domineering.

Overall, Mercury in the 9th house in Leo sign indicates that you have a deep spiritual and intellectual nature, and you have the potential to excel in areas such as teaching, writing, and law.