Alizadeh, Sassan; Brandt, Michael W.; Diebold, Francis X. - In: Journal of Finance 57 (2002) 3, pp. 1047-1091
We propose using the price range in the estimation of stochastic volatility models. We show theoretically, numerically, and empirically that range-based volatility proxies are not only highly efficient, but also approximately Gaussian and robust to microstructure noise. Hence range-based...