用「三日月投資股份有限公司」的「三」字為商標的中軸線，三為具備著萬物的宇宙框架，充滿天機與各種力量的創造，太陽與月亮各佔一方，如陰陽的存在，股票為日，而房地產為月，日、月平衡著一切生機與繁榮。

Using the central axis of the character "三" (three) in "THREE SUN MOON INVESTMENT CORPORATION" as a trademark, the "三" symbolizes the cosmic framework, possessing the creation of all things, filled with celestial secrets and various forces. The sun and the moon each occupy a side, symbolizing the existence of Yin and Yang. Stocks represent the sun, while real estate represents the moon. The balance of the sun and the moon harmonizes all vitality and prosperity.