O mark

An O mark, also known as Marujirushi (丸印) in Japan and Gongpyo (공표, 空標) in Korea, is the name of the symbol "◯" used to represent affirmation in East Asia, similar to its Western equivalent of the checkmark. Its opposite is the X mark ("✗") or ("×").

Unicode

Unicode provides various related symbols, including:

Symbol	Unicode Codepoint (Hex)	Name
○	U+25CB	WHITE CIRCLE
●	U+25CF	BLACK CIRCLE
◯	U+25EF	LARGE CIRCLE

See also

• ○×クイズ (Japanese) - True/false quiz confirmation in Japan
• Circle
• Tick (check mark)
• Geometric Shapes