Diamond hand (diamond hand) is a term in the currency circle, used to refer to those who evenface Investors are also holding out against selling their assets amid market volatility and sharp price drops. This phrase implies that the person is determined and will not be swayed by short-term market fluctuations.

It contrasts with the term paper hand, which refers to investors who sell out of fear or panic at the first sign of losses . The origin of this metaphor is that diamonds are generally considered strong and durable, while paper is fragile and easily shaken and damaged.