This is a Japanese symbol, which surrounds a Japanese word with a square frame. This word looks a bit like the Chinese word "Moon", which indicates the moon.
In the emoji of most platforms, the border of the logo is orange; Only a few platforms draw green or gray borders. As for the color of characters, most platforms use white, and some platforms use black or green. This emoticon usually means "monthly amount", which is more than that used by finance in data statistics.
