Diamond hands is a term used in the world of investing and trading to refer to investors who are committed to holding onto their assets for a long period of time, regardless of market conditions. These investors are seen as having strong convictions and a willingness to ride out market volatility in order to achieve their long-term goals. The term is often used in the context of the stock market, but can also be applied to other types of investments, such as cryptocurrencies.
See also: Paper Hands, Rekt, FOMO, Moon.