Pengaruh Pengumuman Perubahan Harga BBM terhadap Abnormal Return dan Trading Volume Activity pada Perusahaan-Peruasahaan yang Tergabung dalam Kelompok LQ 45 Dibursa Efek Indonesia periode 2015-2016

The increase in the price of Fuel (BBM) can zoom in on the burden of the community and the business world. Vice versa, the drop in the price of fuel not only lighten the load of the community but also for the business world. Announcements containing information (information content), expected the market will react at the time the announcement was welcomed by the market. Market reaction is indicated by the existence of changes in prices of the securities in question. This research was conducted to find out whether there are abnormal return there is a difference, the difference in stock trading volume activity, abnormal return of shares and trading volume of activity before and after the events of the increase in the price of fuel oil. This research is quantitative research by doing event study. The population in this research is the stocks category LQ-45 period of March 2015 to April 2016 with a sample of companies that have listed on the Group Index LQ 45 period November 2014 and March 2015 and don't do Corporate Action. The results of hypothesis testing of research it can be concluded that there is a significant difference between the Abnormal Return (AR) and Trading Volume Activity (TVA) and events before and after the events of rising fuel prices, then there is no a significant difference between the Abnormal Return (AR) and between Trading Volume Activity (TVA) and event announcements of events before and after the drop in the price of fuel.

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Study of Comparison of Stock Performance Before And After Doing Split Stock In Go Public Companies That Are Listing on The Idx Period 2013 – 2015

Aptisi Transactions On Technopreneurship (ATT) ◽

10.34306/att.v2i1.48 ◽

2019 ◽

Vol 2 (1) ◽

pp. 1-17

Author(s):

R.A. Norromadani Yuniati ◽

Latof Syeikhur Rabbani ◽

Mirza Safitri Agatha Putri

Keyword(s):

Abnormal Return ◽

Trading Volume ◽

Stock Exchange ◽

Rank Test ◽

Volume Activity ◽

Security Return ◽

Significant Difference ◽

Stock Split ◽

Before And After ◽

The Difference

This study aims to determine the difference in abnormal return, trading volume activity, and security return variability before and after the stock split announcement on companies listed on the Indonesia Stock Exchange for the period 2013 - 2015. Testing the information content will be done by looking at differences in average abnormal return, average security return variability and average trading volume activity five days before and five days after the announcement of the stock split. The data analysis method that will be used is descriptive statistical analysis and different tests before and after the stock split announcement using the Wilcoxon signed rank test. The results of this study indicate that there are significant abnormal return differences before and after the stock split announcement, there is no significant difference in trading volume activity before and after the stock split announcement, and there is no significant difference in security return variability before and after the stock split announcement.

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ANALISIS PERBEDAAN ABNORMAL RETURN DAN TRADING VOLUME ACTIVITY SEBELUM DAN SESUDAH PERISTIWA PENETAPAN UNDANG-UNDANG TAX AMNESTY

JMM UNRAM - MASTER OF MANAGEMENT JOURNAL ◽

10.29303/jmm.v10i3.661 ◽

2021 ◽

Vol 10 (3) ◽

pp. 186-198

Author(s):

I Komang Wisnu Wardhana ◽

Hermanto Hermanto ◽

I Nyoman Nugraha AP

Keyword(s):

Abnormal Return ◽

Trading Volume ◽

Secondary Data ◽

Volume Activity ◽

Analytical Technique ◽

Tax Amnesty ◽

Average Abnormal Return ◽

Before And After ◽

The Difference

The purpose of this study was to determine the difference in the average abnormal return and trading volume activity before and after the enactment of the tax amnesty law on the LQ-45 index. The type of data used in this study is secondary data with data collection techniques using the documentation method. Determination of the sample in this study using purposive sampling method with certain criteria so as to obtain 45 samples. The analytical technique used in this research is paired sample t-test with an observation period of 10 days. The results of this study indicate that: (1) There is no difference in the average abnormal return before and after the enactment of the tax amnesty law. (2) There is no difference in the average trading volume activity before and after the enactment of the tax amnesty law.

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ANALISIS PERBEDAAN ABNORMAL RETURN DAN TRADING VOLUME ACTIVITY SAHAM SEBELUM DAN SESUDAH PERISTIWA GEMPA DI YOGYAKARTA TANGGAL 27 MEI 2006 (Sudi Kasus pada Perusahaan Asuransi Terdaftar di Bursa Efek Jakarta)

IQTISHODUNA ◽

10.18860/iq.v2i2.227 ◽

2011 ◽

Vol 2 (2) ◽

Author(s):

Lulu Nurul Istanti, SE., MM.,

Keyword(s):

Abnormal Return ◽

Trading Volume ◽

Stock Exchange ◽

Mean Value ◽

Volume Activity ◽

Significant Difference ◽

Before And After ◽

Insurance Firms ◽

The Mean ◽

Difference Test

This research presents an empirical analysis of difference between abnormal return and trading volume activity before and after earths-quake, in Yogyakarta at May 27, 2006. And examine its statistical properties. This research argues that there was difference between abnormal return and trading volume activity before and after quake. For this purpose, the mean difference test, using t-test, was applied to compare the mean value of abnormal return and trading volume activity before and after quake. The sample of this research consists of the insurance firms listed at the Jakarta Stock Exchange. Investigation on the sample firms involved periods of ten days before quake and ten days after quake. The results of this research indicate that there was no significant difference between the abnormal return and trading volume activity before and after quake. This evidence confirms that even did not positively influence abnormal return and trading volume activity as suggested theoretically.

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REAKSI PASAR MODAL INDONESIA TERHADAP PERISTIWA PENGESAHAN UU CIPTA KERJA 2020 (STUDI KASUS PERUSAHAAN YANG TERDAFTAR PADA LQ45)

Jurnal Bina Akuntansi ◽

10.52859/jba.v8i2.174 ◽

2021 ◽

Vol 8 (2) ◽

pp. 168-188

Author(s):

Rya Indriani ◽

Mariana Mariana

Keyword(s):

Hypothesis Testing ◽

Abnormal Return ◽

Trading Volume ◽

Abnormal Returns ◽

Job Creation ◽

Rank Test ◽

Volume Activity ◽

Security Return ◽

Significant Difference ◽

Before And After

This study aims to analyze reaction of the Indonesian capital market about difference of average abnormal returns, trading volume activity, and security return variability between before and after the legalization of the Job Creation Act on October 5, 2020. This study used quantitative research with event study approach. The research sample is stocks registered in LQ45 with certain criteria determined used the purposing sampling method. Hypothesis testing used paired sample t-test and wilcoxon signed rank test. The results of the hypothesis testing show that: (1) There’s a significant difference in the average abnormal return between the period before and after the Job Creation Act legalization. (2) There’s no significant difference in the average trading volume activity between the periodsbefore and after the Job Creation Act legalization. (3) There’s a significant difference in the average security return variability between the period before and after the Job Creation Act legalization.Keywords: The Job Creation Act, Abnormal Return; Trading Volume Activity; SecurityReturn Variability

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Indonesian Capital Market Reaction To The Announcement Of A Recession Due To The Pandemic Covid-19

Academia Open ◽

10.21070/acopen.5.2021.2136 ◽

2021 ◽

Vol 5 ◽

Author(s):

Vani Aryani ◽

Nurasik

Keyword(s):

Capital Market ◽

Abnormal Return ◽

Trading Volume ◽

Rank Test ◽

Volume Activity ◽

The Third ◽

Security Return ◽

Average Abnormal Return ◽

Significant Difference ◽

Before And After

On November 5, 2020, Indonesia was declared a recession after the Central Statistics Agency announced that the Indonesian economy experienced a decline in the third quarter of 2020. The Indonesian economy experienced a decline in the third quarter of 2020, which was minus 3.49 percent. In the second quarter of 2020, the Indonesian economy was already minus 5.32 percent. The announcement of the recession event gave rise to various perceptions for capital market participants. So the purpose of this study is to find out and compare the differences in the average Abnormal Return, Trading Volume Activity, and Security Return Variability of IDX 30 issuers before and after the announcement of the recession due to the COVID-19 pandemic. The research method used is quantitative research with an event study approach. The type of data in this study is secondary data with data collection techniques using the documentation method. The sample used is IDX30 stock issuers on the Indonesia Stock Exchange for the period August 2020 - January 2021. The data analysis technique in this study is descriptive statistical analysis, paired t-test and Wilcoxon signed rank test. The results of this study indicate that: (1) there is a significant difference in the average abnormal return of IDX 30 issuers before and after the announcement of the recession due to the covid-19 pandemic. (2) there is a significant difference in the average Trading Volume Activity of IDX 30 issuers before and after the announcement of the recession due to the covid-19 pandemic. (3) there is no significant difference in the average Security Return Variability of IDX 30 issuers before and after the announcement of the recession due to the covid-19 pandemic.

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PEMILU SERENTAK DALAM KAITANNYA TERHADAP REAKSI PASAR MODAL DI INDONESIA

Jurnal Akuntansi dan Keuangan ◽

10.23960/jak.v25i1.240 ◽

2020 ◽

Vol 25 (1) ◽

pp. 54-64

Author(s):

Niken Kusumawardani

Keyword(s):

Capital Market ◽

Abnormal Return ◽

Trading Volume ◽

Stock Exchange ◽

Volume Activity ◽

Political Event ◽

The Public ◽

Significant Difference ◽

Before And After ◽

Index Stock

This study aims to determine the effect of simultaneous elections in Indonesia, namely legislative and executive elections that occur simultaneously together with the reaction in the capital market. Market reaction is measured using trading volume activity and returns stock that occur within the timeframe before and after the holding of simultaneous elections, namely on the date before and after April 17, 2019. The population in this study is the issuer that actively trades its shares on the Indonesia Stock Exchange (IDX) in Compass100 Index stock category. The research hypothesis was tested with an independent sample t-test using software SPPS26. Hypothesis testing results indicate a significant difference in trading volume activity that occurs before and after simultaneous elections. While the variable abnormal return there is no significant difference before and after the election simultaneously. This research is expected to be a reference for all parties concerned including the public towards a political event that occurs in this case specifically the simultaneous elections for decision making related to investment activities in stock instruments

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Analisis Buyback Saham Tanpa Rapat Umum Pemegang Saham di PT. Aneka Tambang (Studi Pada Surat Edaran Nomor 3/SEOJK.04/2020)

AKUNTABILITAS Jurnal Ilmiah Ilmu-Ilmu Ekonomi ◽

10.35457/akuntabilitas.v14i1.1429 ◽

2021 ◽

Vol 14 (1) ◽

pp. 9-21

Author(s):

M. Boy Singgih Gitayuda

Keyword(s):

Abnormal Return ◽

Trading Volume ◽

Secondary Data ◽

Data Types ◽

Volume Activity ◽

Stock Trading ◽

Significant Difference ◽

Before And After ◽

Stock Buyback ◽

Descriptive Approach

In early 2020, stock trading in Indonesia was under significant pressure, as indicated by the decline in the IHSG. This is due to the pressure and global economic slowdown due to the Covid-19 pandemic and weakening world oil prices. The purpose of this study was to find out how the effect of share buyback announcements without the RUPS on the response to the market at PT. Aneka Tambang Tbk. based on Surat Edaran OJK Nomor 3/SEOJK.04/2020. This research is structured with a quantitative method with a descriptive approach using secondary data types obtained from finance.yahoo.com and other relevant sources. This study will assess whether a significant difference is found before the announcement of the stock buyback and afterwards on the return, abnormal return, and trading volume activity of the stock. The results of the study stated that there was no significant difference before and after the announcement of the stock buyback on the return and abnormal return at PT. Aneka Tambang Tbk. However, a significant difference was found in the trading volume activity (TVA) before the announcement of the share buyback at PT. Aneka Tambang Tbk. and after.

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THE ANALYSIS OF ABNORMAL RETURNS AND TRADING VOLUME ACTIVITY BEFORE AND AFTER SIMULTANEOUS GENERAL ELECTION IN THE YEAR 2019 (STUDY OF STOCKS THAT ARE INCLUDED IN THE JAKARTA ISLAMIC INDEX)

Jurnal Riset Mahasiswa Akuntansi ◽

10.29303/risma.v1i3.98 ◽

2021 ◽

Vol 1 (3) ◽

pp. 107-116

Author(s):

Niki Aulia Dewi ◽

Lukman Effendy ◽

Indria Puspitasari Lenap

Keyword(s):

Abnormal Return ◽

Trading Volume ◽

Abnormal Returns ◽

General Election ◽

Volume Activity ◽

Political Events ◽

Before And After ◽

Statistical Analysis Method ◽

The Difference ◽

Economic Instrument

Political events are one of the factors that influence a country’s economic conditions. The capital market as an economic instrument cannot be separated from various environmental influences, both economic and non economic environment. The aim of the research is to find out the difference of abnormal return and trading volume activity between 10 days before and 10 days after Simultaneous General Election 2019 on the stocks included in the Jakarta Islamic Index. The sampling method in this study was conducted using saturated samples of 30 companies. Statistical analysis method used is Paired Sample T-Test and Wilcoxon Signed Ranks Test. The result of statistical test shows that variabel abnormal return and trading volume activity produce the conclution that there is no difference in abnormal return and trading volume activity between 10 days before and 10 days after Simultaneous General Election 2019 on the stocks included in the Jakarta Islamic Index. The implications of this study for issuers do not need to worry about Simultaneous General Election information because the event does not significantly influence on abnormal return and trading volume activity.

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REAKSI PASAR ATAS PANDEMI VIRUS CORONA PADA PERUSAHAAN LQ45 DI BURSA EFEK INDONESIA

Jurnal Bisnis Terapan ◽

10.24123/jbt.v5i1.4029 ◽

2021 ◽

Vol 5 (1) ◽

pp. 125-138

Author(s):

Nabiell Ghibran ◽

Lukman Effendy ◽

Indria Puspitasari Lenap

Keyword(s):

Event Study ◽

Abnormal Return ◽

Trading Volume ◽

T Test ◽

Volume Activity ◽

Paired Sample ◽

A Value ◽

Corona Virus ◽

Significant Difference ◽

Before And After

Abstract The study was intended to analyze the reactions of Indonesia's capital markets on events Indonesia tested positive for the corona virus pandemic. The study adopted an 11-day period of event study analysis. The population in this study is the entire company listed on the LQ45 index at the Indonesian stock exchange in February - June 2020. Sampling taken in this study uses an impressive sampling technique. Samples obtained by criteria on this research account number 42 companies. Variables used in this study are abnormal return and trading volume of activity. The study used paired sample t-test analysis methods. The research indicates that there was no significant difference between average abnormal return before and after the Indonesia announcement was positive the corona virus pandemic. This is indicated by the results of the significant paired sample t-test that have a value of 0.924 > 0.05. Additionally, this study indicates that there was no significant difference in average trading volume activity before and after the events of the Indonesian announcement was positive that the corona virus pandemic. This is indicated by the results of the significant paired sample t-test that have a value of 0.936 > 0.05. Keywords : Event Study, Corona Virus Pandemic, Abnormal Return, Trading Volume Activity

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PENGUJIAN REAKSI INVESTOR TERHADAP PENGUMUMAN KABINET INDONESIA MAJU

Jurnal Bina Akuntansi ◽

10.52859/jba.v7i1.72 ◽

2020 ◽

Vol 7 (1) ◽

pp. 21-40

Author(s):

Rexza Bramesta

Keyword(s):

Stock Prices ◽

Abnormal Return ◽

Trading Volume ◽

Market Reaction ◽

T Test ◽

Volume Activity ◽

Political Event ◽

Paired Sample ◽

Significant Difference ◽

Before And After

Capital markets are relevantly influenced by political event. This research aimed to analyze the market reaction on the announcement of cabinet of Indonesia Maju on October, 23 2019. Market reaction is measured by abnormal return and trading volume activity. This study used 44 companies from LQ45 group’s stock prices as population and used event study method to identify market reaction. The window event is 11 day long (t-5 – t+5). The statistical test used to test the hypotheses is simple t-test and paired sample test. The result of the statistical calculation of simple t-test showed there are no significant abnormal return around the date of the event. It means that investors do not respond to the event of newly cabinet announcement. The result of paired sample t-test showed there are no significant difference between the average abnormal return and trading volume activity obtained by sample companies listed in LQ45 index before and after the announcement of cabinet of Indonesia Maju.

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