\hɪstˈɒɹɪkə͡l vˌɒlɐtˈɪlɪti], \hɪstˈɒɹɪkəl vˌɒlɐtˈɪlɪti], \h_ɪ_s_t_ˈɒ_ɹ_ɪ_k_əl v_ˌɒ_l_ɐ_t_ˈɪ_l_ɪ_t_i]\
Definitions of HISTORICAL VOLATILITY
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A retrospective statistical measure of the price movement of an ASSET based on historical data, often conveyed in terms of VARIANCE or STANDARD DEVIATION. Historical volatility is applied to various financial and RISK valuation techniques, including FRACTIONAL EXPOSURE and VALUEATRISK. See also IMPLIED VOLATILITY.
By Henry Campbell Black
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- in which atheromatous excised cutting or rotating catheter. differs from balloon and laser angioplasty procedures enlarge vessels dilation but frequently do not remove much plaque. If the plaque is removed by surgical excision under general anesthesia rather than an endovascular procedure through a catheter, it called ENDARTERECTOMY.