We study a segmented-markets setting in which self-fulfilling volatility can arise. The only requirements are (i) asset … valuation ratios stationary (e.g., cash flow growth rises when valuations rise). We prove that when self-fulfilling volatility … susceptible to self-fulfilling fluctuations. The tight theoretical connection between price volatility and arbitrage is detectable …

volatility estimation is considered. The empirical analysis is performed on futures contracts of both the Standard and Poors 500 … importance of taking asymmetric effects (leverage effects) into account in volatility forecasts when it comes to risk management …