Effect of insider trading on stock characteristics

Purpose - This paper investigates if investors consider legal insider trading data while making investment decisions. If any investment decision is based on insider transactions, then it will result in abnormal stock characteristics. The purpose of this paper is to investigate if insider trading aff...

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Main Authors: Sudipta Kumar Nanda, Parama Barai
Format: Article
Language:English
Published: Emerald Publishing 2021-06-01
Series:AJAR (Asian Journal of Accounting Research)
Subjects:
Online Access:https://www.emerald.com/insight/content/doi/10.1108/AJAR-09-2020-0089/full/pdf?title=effect-of-insider-trading-on-stock-characteristics
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author Sudipta Kumar Nanda
Parama Barai
author_facet Sudipta Kumar Nanda
Parama Barai
author_sort Sudipta Kumar Nanda
collection DOAJ
description Purpose - This paper investigates if investors consider legal insider trading data while making investment decisions. If any investment decision is based on insider transactions, then it will result in abnormal stock characteristics. The purpose of this paper is to investigate if insider trading affects stock characteristics like price, return and volume. The paper further investigates the effect on stock characteristics after the trade of different types of insiders and the relationship between abnormal return and abnormal volume. Design/methodology/approach - The study uses the event study method to measure the abnormal price, return and volume. Two-stage least square regression is used to investigate the relationship between abnormal return and abnormal volume. Findings - The insider trades affect price, return and volume. The results are identical for both buy and sell transactions. The trades of different types of insiders have diverse effects on stock characteristics. The trades of substantial shareholders give rise to the highest abnormal price and return, whereas the promoters' trades result in the highest abnormal volume. No relationship is detected between abnormal return and volume. Originality/value - A novel method to calculate the abnormal price is proposed. The effect of trading of all types of insiders on stock characteristics is analyzed. The relationship between abnormal return and abnormal volume, after an insider trade, is investigated.
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spelling doaj.art-0a977bfb3c9141c4835d9595490190f52022-12-21T23:29:50ZengEmerald PublishingAJAR (Asian Journal of Accounting Research)2443-41752021-06-016221022710.1108/AJAR-09-2020-0089658124Effect of insider trading on stock characteristicsSudipta Kumar Nanda0Parama Barai1Vinod Gupta School of Management, Indian Institute of Technology, Kharagpur, IndiaVinod Gupta School of Management, Indian Institute of Technology, Kharagpur, IndiaPurpose - This paper investigates if investors consider legal insider trading data while making investment decisions. If any investment decision is based on insider transactions, then it will result in abnormal stock characteristics. The purpose of this paper is to investigate if insider trading affects stock characteristics like price, return and volume. The paper further investigates the effect on stock characteristics after the trade of different types of insiders and the relationship between abnormal return and abnormal volume. Design/methodology/approach - The study uses the event study method to measure the abnormal price, return and volume. Two-stage least square regression is used to investigate the relationship between abnormal return and abnormal volume. Findings - The insider trades affect price, return and volume. The results are identical for both buy and sell transactions. The trades of different types of insiders have diverse effects on stock characteristics. The trades of substantial shareholders give rise to the highest abnormal price and return, whereas the promoters' trades result in the highest abnormal volume. No relationship is detected between abnormal return and volume. Originality/value - A novel method to calculate the abnormal price is proposed. The effect of trading of all types of insiders on stock characteristics is analyzed. The relationship between abnormal return and abnormal volume, after an insider trade, is investigated.https://www.emerald.com/insight/content/doi/10.1108/AJAR-09-2020-0089/full/pdf?title=effect-of-insider-trading-on-stock-characteristicsinsider tradingevent study methodstock characteristicstwo-stage least square regression
spellingShingle Sudipta Kumar Nanda
Parama Barai
Effect of insider trading on stock characteristics
AJAR (Asian Journal of Accounting Research)
insider trading
event study method
stock characteristics
two-stage least square regression
title Effect of insider trading on stock characteristics
title_full Effect of insider trading on stock characteristics
title_fullStr Effect of insider trading on stock characteristics
title_full_unstemmed Effect of insider trading on stock characteristics
title_short Effect of insider trading on stock characteristics
title_sort effect of insider trading on stock characteristics
topic insider trading
event study method
stock characteristics
two-stage least square regression
url https://www.emerald.com/insight/content/doi/10.1108/AJAR-09-2020-0089/full/pdf?title=effect-of-insider-trading-on-stock-characteristics
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AT paramabarai effectofinsidertradingonstockcharacteristics