描述
### Data used
**X coordinate** : Perpetual premium index
- · Price premium of perpetual futures compared to its underlying asset. It is used as an indicator to see the sentiment of short-term traders through the demand for derivatives.
- · perpetual data
**Y coordinate** : Next interval return
- · The ultimate goal of trading. The final objective of research and modeling is to forecast future returns and make profits.
- · spot data
**Color mapping** : Funding rate
- · The rate of fees that traders of one side pay to their counterpart. It is used to control the price difference between spot and futures, since perpetual futures have no expiration. It is a feature unique to crypto perpetuals, and is an indicator of how much premium exists on the futures market.
- · perpetual data
**Line slope** : 1 week return standard deviation
- · The amount of bitcoin's volatility for a given period of time. It is often used as a measurement of risk.
- · spot data
**Line length** : 1 month return standard deviation
- · The amount of bitcoin's volatility for a given period of time. It is often used as a measurement of risk.
- · spot data