Abstract
Price discovery efficiency receives heightened attention as a fundamental research of price discovery theoretically. This paper develops a general price discovery model (GPDM), in which price discovery efficiency is assessed by price discovery speed, after concluding all the related research on price discovery speed. The GPDM is used to evaluate the price discovery speed and price discovery efficiency of different settlement price decision method, including α -Winsorized Mean, Truncated Mean, Volume Weighted Mean, Exponentially Weighted Mean and current settlement method, with market data of HSI index futures. The α -Winsorized Mean is the most efficient method of price discovery while the current method is the least efficient one.
Published Version
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