Keywords: Portfolio performance
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Journal Articles
Journal of Derivatives and Quantitative Studies: Seonmul yeon’gu (2023) 31 (2): 98–120.
Published: 17 March 2023
... change also suggests that analysts' private information is reflected in price. The OPN level does not give a significant return because it is not related to changes in analyst beliefs derived from information processing activities. Analyst report Investment strategy Portfolio performance Textual...

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