Prediction regions for interval‐valued time series
区间值时间序列的预测域AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要以区间时间序列概率预测为核心,并明确应用于股票收益水平、波动及低高收益预测。
区间值时间序列的预测域AI 解读 ↓
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Summary We approximate probabilistic forecasts for interval‐valued time series by offering alternative approaches. After fitting a possibly non‐Gaussian bivariate vector autoregression (VAR) model to the center/log‐range system, we transform prediction regions (analytical and bootstrap) for this system into regions for center/range and upper/lower bounds systems. Monte Carlo simulations show that bootstrap methods are preferred according to several new metrics. For daily S&P 500 low/high returns, we build joint conditional prediction regions of the return level and volatility. We illustrate the usefulness of obtaining bootstrap forecasts regions for low/high returns by developing a trading strategy and showing its profitability when compared to using point forecasts.