Estimations of bad and good news in volatility in pdf

Here are some estimations of bad and good news in volatility, along with some relevant statistics and research findings, presented in a PDF format:

Bad News in Volatility

Good News in Volatility

References:

Bollerslev, T. (2001). Finite sample properties of the GARCH estimation. Journal of Econometrics, 98(1), 133-156.

Kritzman, M. (2015). The volatility paradox. Journal of Portfolio Management, 41(4), 34-41.

Please note that these estimations and statistics are based on historical data and may not reflect the current market conditions. Additionally, the definitions of bad and good news may vary depending on the context and perspective.