scholarly journals Analisis Harga Saham dan Rata-Rata Abnormal Return Sebelum dan Sesudah Ex-Dividend Date (Studi pada Emiten Indeks Kompas-100)

TRIKONOMIKA ◽  
2014 ◽  
Vol 13 (1) ◽  
pp. 101
Author(s):  
Alvin Mulya Hidayati
Keyword(s):  
Stock Prices ◽  
Abnormal Return ◽  
Expected Return ◽  
Paired Sample ◽  
Average Abnormal Return ◽  
Significant Difference ◽  
Before And After ◽  
Dividend Distribution ◽  
The Difference ◽  
Adjusted Model

The research is aimed at finding out the stock prices before and after the disclosure of dividend distribution and the difference in abnormal return before and after the disclosure of dividend distribution. The research object is companies consistent in the Index Kompas-100 from February 2009 to January 2014. The type of this research is comparative descriptive. The sample used is 54 issuers obtained by conducting purposive sampling. The research periods are 31 days consisting of 15 days before the disclosure of dividend distribution, 1 day at the disclosure of dividend distribution, and 15 days after the disclosure of dividend distribution. This research uses market adjusted model to obtain the value of expected return. While paired sample t-test is used in hypothesis testing. The result of this research shows that there is no significant difference in stock prices as well as in average abnormal return between 15 days before the disclosure of dividend distribution and 15 days after the disclosure of dividend distribution.

scholarly journals ANALISIS DAMPAK DEVALUASI MATA UANG YUAN CHINA TERHADAP HARGA SAHAM PERUSAHAAN PERBANKAN YANG LISTING DI BURSA EFEK INDONESIA

2017 ◽  
Vol 11 (1) ◽  
pp. 37
Author(s):  
Amir Kusnanto
Keyword(s):  
Stock Prices ◽  
Abnormal Return ◽  
Global Economy ◽  
Trading Volume ◽  
Paired Sample ◽  
Currency Exchange ◽  
Average Abnormal Return ◽  
Significant Difference ◽  
Before And After ◽  
Sample Test

Devaluation Yuan affect the global economy, this can be seen with the decline in currency exchange rates and falling stock prices in many countries. Based on this background, the authors do research event study. The selected time period is 11 days of exchange as the event period separated to 5 days before the event day (11 August 2015 as event day) and 5 days after the event day. The results showed that (1) by calculating the average abnormal return (AAR) is known to have a positive abnormal return during the event period; (2) different test results with paired sample test there is no significant difference of average abnormal return between before and after devaluation of Chinese Yuan currency; And (3) with different test using paired sample test there is no significant difference of average trading volume activity between before and after devaluation of Yuan Chinese currency.

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 PENGARUH PELANTIKAN KABINET KERJA HASIL RESHUFFLE JILID II TERHADAP HARGA SAHAM LQ-45

2017 ◽  
Vol 13 (1) ◽  
pp. 1
Author(s):  
Aulia Hatmanti ◽  
Bambang Sudibyo
Keyword(s):  
Event Study ◽  
Stock Prices ◽  
Abnormal Return ◽  
T Test ◽  
Good News ◽  
Political Event ◽  
Paired Sample ◽  
The Difference ◽  
Adjusted Model ◽  
The Impact

Abstrak: Pengaruh Pelantikan Kabinet Kerja Hasil Reshuffle Jilid II terhadap Harga Saham LQ-45. Tujuan dari penelitian ini adalah untuk melihat pengaruh peristiwa politik-pelantikan Kabinet Kerja hasil reshuffle jilid II-terhadap harga saham yang terdaftar dalam kelompok saham LQ-45. Penelitian ini menggunakan metode studi peristiwa untuk melihat adanya reaksi pasar yang dapat dilihat dari adanya abnormal return pada saham. Abnormal return pada penelitian ini dihitung menggunakan mean-adjusted model. Berdasarkan hasil uji beda t-test satu sisi, terdapat abnormal return positif yang signifikan pada event day (t) dan t+3. Uji beda rata-rata menggunakan paired sample t-test yang dilakukan untuk melihat perbedaan rata-rata abnormal return pada 5 hari sebelum dan 5 hari sesudah peristiwa tidak menunjukkan adanya hasil yang signifikan. Berdasarkan hasil tersebut, dapat disimpulkan bahwa peristiwa politik berupa pelantikan Kabinet Kerja hasil reshuffle jilid II merupakan good news bagi investor. Kata kunci: studi peristiwa, abnormal return, LQ-45, peristiwa politik Abstract: The Impact of the Inauguration of 2nd Reshuffled Cabinet on LQ-45 Stock Prices. The purpose of this research is to observe the impact of the political event the inauguration of 2nd reshuffled cabinet-to LQ-45 group’s stock prices. This study used event study method to identify the market reaction that can be seen from the abnormal return on the stock prices. The abnormal return is calculated using mean-adjusted model. T-test indicates that there is a significant positive abnormal return on event day (t) and t+3. Besides, paired sample t-test was conducted to see the difference in the average abnormal return in 5 days before and five days after the events didn’t show any significant results. Based on these results, it can be concluded that the inauguration of 2nd reshuffled cabinet is good news for investors. Keywords: event study, abnormal return, LQ-45, political events

scholarly journals PENGUJIAN REAKSI INVESTOR TERHADAP PENGUMUMAN KABINET INDONESIA MAJU

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.

Perbandingan harga saham, volume transaksi dan return saham sebelum dan sesudah terjadi pandemi covid-19 pada PT Agung Podomoro Land, Tbk

2021 ◽  
Vol 5 (4) ◽  
pp. 720
Author(s):  
Anggun Putri Romadhina ◽  
Eka Kusuma Dewi
Keyword(s):  
Stock Returns ◽  
Stock Prices ◽  
Stock Price ◽  
Research Data ◽  
Paired Sample ◽  
First Case ◽  
Significant Difference ◽  
Before And After ◽  
Stock Transaction

The first Covid-19 case in Indonesia was announced on March 2, 2020. This study aims to determine whether there is a significant difference in stock prices, stock transaction volume and stock returns due to the COVID-19 pandemic (case study at PT. Agung Podomoro Land, Tbk). This research data was taken 90 days before and 90 days after the announcement of the first case of COVID-19 in Indonesia. The data was processed by paired sample t-test, using SPSS version 20. From the results of data processing, it was shown that there was a significant difference in stock prices before and after the announcement of the first case of covid-19 in Indonesia. This is indicated by a significance value of 0.000 < 0.05 where the stock price has decreased compared to before the Covid-19 case. Meanwhile, the volume of stock transactions also showed a significant difference with a significance value of 0.007 <0.05, where the volume of stock transactions after the announcement showed a decrease. Likewise, stock returns show a significant difference with a significance value of 0.025 < 0.05 where stock returns have decreased after the announcement of the first case of covid-10 in Indonesia.  

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

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. 

scholarly journals PENGELOLAAN PENGGUNAAN PESTISIDA DALAM MENDUKUNG PEMBANGUNAN BERKELANJUTAN DI INDONESIA

2021 ◽  
Vol 18 (1) ◽  
pp. 92
Author(s):  
Nugrahini Susantinah Wisnujatia ◽  
Suwandi S. Sangadji
Keyword(s):  
Research Question ◽  
Secondary Data ◽  
Rice Production ◽  
Production Data ◽  
Pesticide Use ◽  
Paired Sample ◽  
Significant Difference ◽  
Before And After ◽  
Pesticide Reduction ◽  
The Difference

<p><em>The use of pesticides in rice production has an impact on the environment. Pesticides are chemicals used to kill or control pests. The use of pesticides carries some risks, but farmers are used to using pesticides. However, the use of pesticides may lead to the contamination of groundwater. Therefore, the research question in this study was whether there any differences in rice production before and after pesticide reduction in Indonesia. This study aimed to analyze the difference between rice production before and after pesticide reduction in Indonesia. The secondary data in this study were rice production data from FAO. Data from 1968 to 1992 were data about rice production before reducing pesticide use in Indonesia, while data from 1993 to 2017 were data about rice production after reducing pesticide use in Indonesia. The applied data analysis was paired sample t-test using SPSS 25. The results indicated that there is a significant difference between rice production before and after reducing pesticide use in Indonesia. </em></p>

scholarly journals REAKSI PASAR MODAL DARI DAMPAK PERISTIWA KERUSUHAN MAKO BRIMOB MEI 2018 TERHADAP ABNORMAL RETURN INDEKS LQ45 YANG TERDAFTAR DI BEI

PERFORMA ◽  
2021 ◽  
Vol 4 (2) ◽  
pp. 30-36
Author(s):  
Dewo Adhi Guminto ◽  
Maria Assumpta Evi Marlina
Keyword(s):  
Abnormal Return ◽  
T Test ◽  
P Value ◽  
Normality Test ◽  
Average Abnormal Return ◽  
Before And After ◽  
The Subject ◽  
The Difference ◽  
Corporate Actions ◽  
Observation Period

This research is an event study that aims to determine the difference in the average Abnormal return (AR) before, during and after the Mako Brimob riots. The subject of this study is the LQ45 index company that has fulfilled the criteria, namely the company does not conduct corporate actions such as the announcement of stock split, right issue, merger & acquisition and devidend in the observation period, which is five days before the riot, one day during the riot (May 9, 2018) and five days after the riots. The results of the data normality test found that the data in this study were normally distributed. p-value shows the number 0.412. The results of the different tests using independent Sample T-Test (H1) showed no difference in the average abnormal return before and during the Mako Brimob riots (ρ = 0.050). The results of different tests using independent Sample T-Test (H2) showed no difference in the average abnormal return during and after the incident of the Mako Brimob riots (ρ = 0.117). The results of different tests using Paired Sample T-Test (H3) showed no difference in the average abnormal return before and after the incident of the Mako Brimob riots (ρ = 0.77).

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

Academia Open ◽  
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.

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).

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