Return data refers to the information that tracks the performance of a cryptocurrency over time. It typically shows how much an asset has gained or lost in value compared to a previous point, usually expressed in percentage terms.Investors use return data to assess the profitability of their investments. This data can be daily, weekly, monthly, or even yearly, allowing for various time frame analyses. Short-term return data may focus on price movements over just a few days, while long-term data provides insights into overall trends and market stability.Among the different measures, annualized return, cumulative return, and risk-adjusted return are common metrics. Investors can evaluate their strategies and the general market sentiment by analyzing these returns.Overall, return data plays a crucial role in decision-making, helping investors allocate resources effectively based on historical and expected performance.