The effect of trading volumes on stock returns following large price moves

The study analyses the correlation between abnormal trading volumes accompanying large stock price changes and subsequent stock price dynamics. Assuming that abnormal trading volume associated with a large price move may serve as an indication of the extent of the immediate stock price reac...

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Main Author: Kudryavtsev Andrey
Format: Article
Language:English
Published: Faculty of Economics, Belgrade 2019-01-01
Series:Ekonomski Anali
Subjects:
Online Access:http://www.doiserbia.nb.rs/img/doi/0013-3264/2019/0013-32641920085K.pdf
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author Kudryavtsev Andrey
author_facet Kudryavtsev Andrey
author_sort Kudryavtsev Andrey
collection DOAJ
description The study analyses the correlation between abnormal trading volumes accompanying large stock price changes and subsequent stock price dynamics. Assuming that abnormal trading volume associated with a large price move may serve as an indication of the extent of the immediate stock price reaction to the underlying company-specific shock, I suggest that large price moves accompanied by relatively high (low) abnormal trading volumes may be followed by price reversals (drifts). Analysing a large sample of major daily stock price moves and defining the latter according to a number of alternative proxies, I document that both large price increases and decreases accompanied by high (low) abnormal trading volumes are followed by significant price reversals (drifts) on each of the next two trading days and over five- and twenty-day intervals following the initial price move, the magnitude of the reversals (drifts) increasing over longer post-event windows. The effect remains significant after accounting for additional company-specific (size, CAPM beta, historical volatility) and event-specific (stock’s absolute return on the event day) factors, and is robust to different methods of calculating abnormal returns and to different sample filtering criteria.
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spelling doaj.art-0d7d0d06e2f648e390af2afba0811f2d2022-12-22T02:06:11ZengFaculty of Economics, BelgradeEkonomski Anali0013-32641820-73752019-01-01642208511610.2298/EKA1920085K0013-32641920085KThe effect of trading volumes on stock returns following large price movesKudryavtsev Andrey0The Economics and Management Department, The Max Stern Yezreel Valley Academic College, Emek Yezreel, IsraelThe study analyses the correlation between abnormal trading volumes accompanying large stock price changes and subsequent stock price dynamics. Assuming that abnormal trading volume associated with a large price move may serve as an indication of the extent of the immediate stock price reaction to the underlying company-specific shock, I suggest that large price moves accompanied by relatively high (low) abnormal trading volumes may be followed by price reversals (drifts). Analysing a large sample of major daily stock price moves and defining the latter according to a number of alternative proxies, I document that both large price increases and decreases accompanied by high (low) abnormal trading volumes are followed by significant price reversals (drifts) on each of the next two trading days and over five- and twenty-day intervals following the initial price move, the magnitude of the reversals (drifts) increasing over longer post-event windows. The effect remains significant after accounting for additional company-specific (size, CAPM beta, historical volatility) and event-specific (stock’s absolute return on the event day) factors, and is robust to different methods of calculating abnormal returns and to different sample filtering criteria.http://www.doiserbia.nb.rs/img/doi/0013-3264/2019/0013-32641920085K.pdfabnormal trading volumesbehavioural financelarge Price changesstock Price driftsstock Price reversals
spellingShingle Kudryavtsev Andrey
The effect of trading volumes on stock returns following large price moves
Ekonomski Anali
abnormal trading volumes
behavioural finance
large Price changes
stock Price drifts
stock Price reversals
title The effect of trading volumes on stock returns following large price moves
title_full The effect of trading volumes on stock returns following large price moves
title_fullStr The effect of trading volumes on stock returns following large price moves
title_full_unstemmed The effect of trading volumes on stock returns following large price moves
title_short The effect of trading volumes on stock returns following large price moves
title_sort effect of trading volumes on stock returns following large price moves
topic abnormal trading volumes
behavioural finance
large Price changes
stock Price drifts
stock Price reversals
url http://www.doiserbia.nb.rs/img/doi/0013-3264/2019/0013-32641920085K.pdf
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