colloquial 发表于 2025-4-1 04:49:59
Abdelhameed Ibrahim,Aboul Ella Hassanien,Siddhartha Bhattacharyyag volume describes a belief of investors in the bull market and during decreasing trend in bear market. Both situations could be treated as symptoms of optimism and pessimism of investors. The main goal of the article is to examine that the volatility could be an indicator of investors’ optimism. Socavity 发表于 2025-4-1 07:51:38
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https://doi.org/10.1007/978-1-4899-2877-1algorithms; engineer; fluid mechanics; fracture mechanics; mechanics; research气候 发表于 2025-4-2 02:13:48
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