scholarly journals Analisis Abnormal Return Disekitar Tanggal Pengumuman Stock Split

2019 ◽  
Vol 2 (2) ◽  
pp. 77
Author(s):  
Sri Yunawati
Keyword(s):  
Abnormal Return ◽  
Stock Exchange ◽  
Abnormal Returns ◽  
T Test ◽  
Significance Level ◽  
Paired Sample ◽  
Paired Samples ◽  
Average Abnormal Return ◽  
Stock Split ◽  
Before And After

The purpose of this study is to prove how the effect of the stock split on abnormal returns and whether there are differences in average abnormal returns before and after the stock split. This research was conducted at a company that conducted a stock split which was listed on the Indonesia Stock Exchange in 2017. The method used by a statistical test is one sample t-test (t-test for one sample) at a significance level of a = 5%. Research results show that there is no significant abnormal return when the stock split. And the tests performed on abnormal return averages before and after the stock split using paired sample t-test (t-test for two paired samples) showed that there were no significant differences in the average abnormal return before and after the stock split. Tujuan penelitian ini adalah untuk membuktikan bagaimana pengaruh stock split terhadap abnormal return dan apakah terdapat perbedaan rata-rata abnormal return sebelum dan setelah stock split. Penelitian ini dilakukan pada perusahaan yang melakukan pemecahan saham yang terdaftar di Bursa Efek Indonesia tahun 2017. Metode yang digunakan dengan uji statistik one sampel t-test (uji t untuk satu sampel) pada tingkat signifikansi a =5%. Hasil Penelitian menunjukkan bahwa tidak terdapat abnormal retum yang signifikan pada saat stock split. Dan pengujian yang dilakukan terhadap rata-rata abnormal retun sebelum dan setelah stock split dengan menggunakan paired sample t test (uji t untuk dua sampel berpasangan) diperoleh hasil bahwa tidak terdapat perbedaan yang signifikan pada rata-rata abnormal return sebelum dan sesudah stock split.

scholarly journals REAKSI PASAR SAHAM TERHADAP PENGUMUMAN STOCK SPLIT PADA INDEKS SAHAM SYARIAH INDONESIA (ISSI) PERIODE 2013-2018

2020 ◽  
Vol 7 (4) ◽  
pp. 704
Author(s):  
Salsabiilaa Nadiah Putri Herlambang ◽  
Puji Sucia Sukmaningrum
Keyword(s):  
Abnormal Return ◽  
Abnormal Returns ◽  
T Test ◽  
Stock Index ◽  
Market Reactions ◽  
Average Abnormal Return ◽  
Stock Split ◽  
Before And After ◽  
Sample Test ◽  
The One

Stock split is a breakdown of the nominal value of stocks into smaller ones carried out by the issuer. This study aims to determine and explain the reaction of the stock market to the announcement of a stock split made by issuers of all sectors in the 2013-2018 Indonesian Sharia Stock Index (ISSI). This study uses a quantitative approach using event studies to analyze market reactions to events. Sampling using purposive sampling and obtained 50 companies and two companies do two stock splits. The sample analysis technique uses the One-Sample Test t-test and Paired Sample t-test with an observation period of 31 days which is 15 days before the announcement of the stock split and 16 days after the announcement of the stock split. The results obtained from this study are that there is no significant abnormal return before the announcement of the stock split, but there is a significant abnormal return after the stock split, although a little. However, there is no significant cumulative average abnormal return as a reaction before or after the stock split. This study also found no significant differences in abnormal returns before and after stock split and changes in cumulative average abnormal returns before and after stock split that was not significant.Keywords: Market Reaction, Stock Split, Average Abnormal Return, Indonesian Sharia Stock Index (ISSI)

scholarly journals ANALYZING ABNORMAL RETURN BEFORE AND AFTER THE ANNOUNCEMENT OF MERGER AND ACQUISITION IN 2018

2018 ◽  
Vol 1 (2) ◽  
pp. 14-22
Author(s):  
Sonny Haryanto ◽  
Umi Mardiyati ◽  
Agung Dharmawan Buchdadi
Keyword(s):  
Mergers And Acquisitions ◽  
Stock Price ◽  
Abnormal Return ◽  
Abnormal Returns ◽  
T Test ◽  
Testing Hypotheses ◽  
Paired Sample ◽  
Minute Period ◽  
Before And After ◽  
Observation Period

This study aims to analyze the abnormal returns before and after the announcement of mergers and acquisitions in the companies listed on the IDX 2018. In this study the observation period taken was three days before and after the announcement of mergers and acquisitions with the number of samples observed were 9 companies. The method for calculating abnormal returns used is the market adjusted return by using an intraday stock price of 15 minutes. Based on testing hypotheses conducted by paired sample t-test, it was found that there were no significant differences in abnormal returns before and after the announcement of mergers and acquisitions in each 15 minute period.

scholarly journals The Announcement of Sharia Bank’s Conditional Merger Agreement. How Investor Reacted?

2021 ◽  
Vol 2 (2) ◽  
pp. 136-146
Author(s):  
Syamsuddin Syamsuddin ◽  
Versiandika Yudha Pratama
Keyword(s):  
Event Study ◽  
Stock Price ◽  
Abnormal Return ◽  
Secondary Data ◽  
T Test ◽  
Event Window ◽  
Paired Sample ◽  
Average Abnormal Return ◽  
Significant Difference ◽  
Before And After

This study aims to determine there is a difference in average abnormal return of BRI Syariah before and after the signing of the Conditional Merger Agreement (CMA), which is on October 12th, 2020. This research used event study for method and the data in this study are secondary data in the form of stock price data of BRI Syariah. The event window in this study for 11 (eleven) working days which is 5 (five) days before the event, 1 (one) day when the event occurs and 5 (five) days after the signing of the Conditional Merger Agreement (CMA) BUMN sharia bank. Meanwhile, the estimated period is set for 120 exchange days, namely at t-125 to t-6. Test conducted by paired sample t-test. The results of the paired sample t-test showed that there is no significant difference between the average abnormal return of BRI Syariah shares before and after the signing of the Conditional Merger Agreement. It can be concluded that neither the market nor investors reacted to the signing of the Conditional Merger Agreement (CMA) that occurred at BRI Syariah Bank.

scholarly journals ANALISIS PERBEDAAN HARGA SAHAM, RETURN SAHAM, DAN ABNORMAL RETURN SEBELUM DAN SESUDAH STOCK SPLIT PADA PERUSAHAAN HIGH PROFILE DAN LOW PROFILE YANG TERDAFTAR DI BURSA EFEK INDONESIA

2021 ◽  
Vol 11 (1) ◽  
pp. 42
Author(s):  
Pita Rahmawati ◽  
Jawoto Nusantoro ◽  
Gustin Padwa Sari
Keyword(s):  
Stock Returns ◽  
Stock Prices ◽  
Abnormal Returns ◽  
T Test ◽  
Paired Sample ◽  
High Profile ◽  
Normality Test ◽  
Low Profile ◽  
Stock Split ◽  
Before And After

This research aims to determine whether there are differences in stock prices, stock returns and abnormal returns before and after a stock split in high profile and low profile companies. The research period used in this study was on 2016-2018. The research was analyzed in quantitative method by using a purposive sampling method. Based on the sampling criteria, 40 companies were selected as research samples. Kolmogorov Smirnov One Sample test was used for the normality test. After the normality test was carried out, the data was processed using the two paired-sample difference test. The t-test (paired sample t-test) was used if data were normally distributed but if it was not normally distributed the Wilcoxon Signed Rank test would be used. Hypothesis testing results showed that (1) there are differences in stock prices whether before and after a stock split in high profile companies (2) there are differences in stock prices whether before and after the stock split in low profile companies (3) there are differences in stock returns whether before and after a stock split in the company high profile (4) there is no difference in stock returns whether before and after the stock split in low profile companies (5) there is no difference in abnormal returns whether before and after the stock split in high profile companies (6) there is no difference in abnormal returns whether before and after the stock split in low profile companies (7) there are differences in stock prices after a stock split in high profile companies and low profile (8) there is no difference in stock returns whether before and after the stock split in high profile and low profile companies (9) there is no difference in abnormal stock returns whether before and after a stock split at high profile and low profile companies.

scholarly journals Do Regional Election and Presidential Election Affect Stock Exchange? An Event Study in the Indonesian Stock Exchange

2021 ◽  
Vol 7 (1) ◽  
pp. 71-80
Author(s):  
Khanifah Khanifah ◽  
Agus Triyani ◽  
Suhita Whini Setyahuni
Keyword(s):  
Event Study ◽  
Capital Market ◽  
Trading Volume ◽  
Stock Exchange ◽  
Abnormal Returns ◽  
T Test ◽  
Democratic Politics ◽  
Paired Samples ◽  
Before And After ◽  
Regional Elections

The 2018 simultaneous regional election in Indonesia is something new in the events of democratic politics in Indonesia. The events of the 2018 simultaneous regional election is one of the important events in 2018 that can cause a reaction of capital market to these events. This study aims to examine how the capital market reacts to the simultaneous regional elections in 2018 and presidential elections in 2019, by looking at the differences in the preceding and following periods based on 2 variables, namely abnormal return and trading volume activity. The sample in this study were 30 companies listed in the Indonesian Stock Exchange during 30 periods from February through July 2018. Research Methode This study used an event study. One paired samples T test was used as a technique analysis. The means of each variable within eleven days period was compared. The period of observation is five days before the event, five days after the event, and one day on event day. Based on the results of the parametric statistical calculations, the paired sample t-test showed that there was no difference between the level of abnormal returns before and after the 2018 simultaneous regional elections. On the other hand, there was a difference between trading volume of activity before and after the 2018 simultaneous regional elections.

scholarly journals DAMPAK KERUSUHAN MAKO BRIMOB MEI 2018 TERHADAP ABNORMAL RETURN INDEKS LQ45 YANG TERDAFTAR DI BEI

2021 ◽  
Vol 1 (1) ◽  
pp. 1-14
Author(s):  
Dewo Adhi Guminto ◽  
Maria Assumpta Evi Marlina
Keyword(s):  
Abnormal Return ◽  
T Test ◽  
P Value ◽  
Paired Sample ◽  
Normality Test ◽  
Average Abnormal Return ◽  
Before And After ◽  
The Subject ◽  
Corporate Actions ◽  
Observation Period

This research is an event study that aims to determine the differencein the average Abnormal return (AR) before, during, and after the MakoBrimob riot. The subject of this study is the LQ45 index company that hasfulfilled the criteria. The company does not conduct corporate actions suchas the announcement of stock split, right issue, merger & acquisition, anddividend in the observation period, which is five days before the riot, oneday during the riot (May 9, 2018) and five days after the riot. The results ofthe data normality test found that the data in this study were normallydistributed. P-value shows the number 0.412. The results of the differenttests using independent Sample T-Test (H1) showed no difference in theaverage abnormal return before, and during the Mako Brimob riots (ρ =0.050). The results of different tests using independent Sample T-Test (H2)were no difference in the average abnormal return during and after the incidentof the Mako Brimob riots (ρ = 0.117). The results of different testsusing Paired Sample T-Test (H3) were no difference in the average abnormalreturn before and after the incident of the Mako Brimob riots (ρ = 0.77).

scholarly journals Apakah Pembatasan Sosial Berskala Besar Warga Negara Asing Berdampak Pada Average Abnormal Return?

2021 ◽  
Vol 1 (2) ◽  
pp. 160-171
Author(s):  
Asnat Susanti Dangga Lolu ◽  
Lusianus Heronimus Sinyo Kelen
Keyword(s):  
Stock Prices ◽  
Abnormal Return ◽  
Large Scale ◽  
Stock Exchange ◽  
Abnormal Returns ◽  
Economic Sector ◽  
Stock Trading ◽  
Average Abnormal Return ◽  
Before And After ◽  
Research Period

This study examines the differences in stock prices listed on the Indonesia Stock Exchange as measured using average abnormal returns on events (event studies) before and after the enactment of Large-Scale Social Restrictions for Foreign Citizens, especially COVID-19 which has an impact not only threatening human health but also has an impact on the economic sector. This condition will certainly have an impact on all sectors including stock trading on the Indonesia Stock Exchange, especially the Tourism, Hospitality, and Restaurant sub-sector. By using a sample of 41 companies on the Indonesia Stock Exchange with a research period of 3 months (16 November 2020 to 15 February 2021) the type of purposive sampling research that meets the criteria and using paired sample t-test, the results show that there is no difference Average Abnormal Return before and after the occurrence of a PSBB event for Foreign Citizens. So it can be concluded that the PSBB for Foreign Citizens has no impact on the average abnormal return obtained by investors.

scholarly journals Pengaruh Employee Stock Ownership Program Terhadap Average Abnormal Return Perusahaan Perbankan

2020 ◽  
Vol 1 (1) ◽  
pp. 47-55
Author(s):  
Agung Suprayogi ◽  
Abdul Basyith
Keyword(s):  
Stock Price ◽  
Abnormal Return ◽  
Trading Volume ◽  
Stock Exchange ◽  
Abnormal Returns ◽  
Stock Ownership ◽  
Employee Stock Ownership ◽  
Average Abnormal Return ◽  
Significant Difference ◽  
Before And After

This research was conducted to see the effect of the implementation of the Employee Stock Ownership Program on average abnormal returns of banking companies before and after applying ESOP and trading volume. The aim is to find out the difference in average abnormal return before and after applying the ESOP. The variable used in this study is average abnormal return. The period of this research event is 20 days, 10 days, 5 days and 1 day which are divided before and days after the date of application. This study examines banking companies that apply the Employee Stock Ownership Program listed on the Indonesia Stock Exchange so that data is obtained from trading in the company's stock price. The sampling criteria used a purposive sampling method in order to obtain 9 samples. The hypothesis method used in the normally distributed data is Paired Samples T-test. The result is that all average abnormal return periods both on the first and the last date of the ESOP application have a significant value >0.05, which means that the entire event period of the variable is proven to have no significant difference both before and after the banking company applies the Employee Stock Ownership Program.

scholarly journals The Capital Market Reaction To The Corona Covid-19 Virus Outbreak Events

Academia Open ◽  
2021 ◽  
Vol 3 ◽  
Author(s):  
Wardah Azizah ◽  
Nurasik
Keyword(s):  
Capital Market ◽  
Abnormal Return ◽  
Market Reaction ◽  
Stock Exchange ◽  
Abnormal Returns ◽  
T Test ◽  
Paired Sample ◽  
Significant Difference ◽  
Real Picture ◽  
The Capital Market

This study aims to get a real picture of the Capital Market Reaction to the Corona Covid-19 Virus Outbreak (Study on LQ-45 Companies Listed on the Indonesia Stock Exchange). The analytical tool used is descriptive statistical analysis and classical assumption test. To test the hypothesis, it is done using data analysis in the form of Paired Sample T-Test using the statistical program "Product and Service Solution" (SPSS). The results of hypothesis testing using paired sample t-test obtained t-value with a significant value of 0.000 (0.000 <0.05). From these results, it can be stated that the hypothesis is accepted, which means that there is a significant difference in abnormal returns before and after the Corona / Covid-19 Virus Outbreak. The difference in Abnormal Return on the test results has a positive value, this shows that if the Corona / Covid-19 Virus Outbreak has increased, the Abnormal Return value will increase.

scholarly journals Analisis Perbandingan Abnormal Return,Trading Volume Activity, dan Bid-Ask Spread Sebelum dan Sesudah Stock Split

2018 ◽  
Vol 7 (1) ◽  
pp. 34
Author(s):  
Fahrizal Anwar ◽  
Nadia Asandimitra
Keyword(s):  
Abnormal Return ◽  
Trading Volume ◽  
Market Reaction ◽  
Stock Exchange ◽  
Abnormal Returns ◽  
Volume Activity ◽  
Bid Ask Spread ◽  
Stock Split ◽  
Before And After ◽  
Bid Ask Spreads

Stock splits or stock split is to break a piece of stock into n shares so that the new price per share after the stock split is 1 / n of the previous price.This study aims to investigate the market reaction to the announcement of the stock split the company listed in Indonesia Stock Exchange Period 2012-2013. The market reaction is indicated by the presence or absence of abnormal return differences, trading volume activity, and bid-ask spreads before and after the stock split announcement.Type of research is a study of events (event study).The study sample as many as 17 companies based on purposive sampling.Testing is done with a period of 5 days before and 5 after the announcement of the stock split.The technique of data analysis performed using paired sample t-test on abnormal returns while Wilcoxon signed ranks test on trading volume activity and bid-ask spreads.

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