easy · FRM Part 1 Quantitative Analysis
Formula-and-meaning check before application in Quantitative Analysis.
Within Quant — Time Series & Volatility Modeling, which statement correctly describes Autocorrelation?
- correlation between a time series and a lagged version of itself
- tendency of a process to move back toward a long-run level
- volatility estimate that applies geometrically declining weights to older squared returns
- a time-series model using one lag of the variable to predict its current value
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