未平仓量
未平仓量是指衍生品交易所中比特币/美元交易对当前的未平仓仓位（包括多头和空头）。
Definition
Open interest is defined as the number of open positions (including both long and short positions) currently on a derivative exchange's BTC/USD trading pairs.
Interpretation
A large value of open interest can indicate increased volatility in the price of BTC. For this reason, an open interest chart could also be useful for determining the market tops and bottoms with additional indicators.
Use Case
Statistical Correlation Analysis to Volatility
We find that open interest (independent variable) and volatility (response variable) are statistically in positive correlation where p-values of F-statistic (for linear model) and the slope are less than 0.001. R-square of the model is estimated as 0.36 where the value is reasonably high considering financial raw data.
The settings for this experiment are the followings:
We consider date range from '2018-11-05' to '2020-06-01'.
We resample the data in 15 days to compute volatility.
Volatility is computed as subtraction of max to min value of every resampled window.
Values in the above chart are in log form.
Link to Our Data
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