Jiang, Zhi-Qiang; Zhou, Wei-Xing - In: Physica A: Statistical Mechanics and its Applications 387 (2008) 14, pp. 3605-3614
Multifractal analysis and extensive statistical tests are performed upon intraday minutely data within individual trading days for four stock market indexes (including HSI, SZSC, S&P 500, and NASDAQ) to check whether the indexes (instead of the returns) possess multifractality. We find that the...