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"Tujuan utama penelitian ini adalah untuk mengetahui efektivitas mekanisme suspensi yang diterapkan oleh Bursa Efek Jakarta (BEJ) untuk mengurangi volatilitas return. Penelitian dilakukan terhadap saham-saham yang mengalami penghentian sementara perdagangan (suspensi) karena adanya pergerakan yang dianggap signifikan oleh BEJ sepanjang tahun 2004. Adapun periode pengamatan adalah sate hari perdagangan sebelum dan satu hari perdagangan setelah suspensi. Pengamatan akan dilakukan dengan data intrahari. Setiap satu hari perdagangan akan dibagi menjadi interval 30 menit sehingga terbentuk 10 interval.Variabel yang diuji dalam penelitian ini meliputi volatilitas return, bid-ask spread relatif, depth to relative spread, serta nilai transaksi. Pengujian atas data-data yang dikumpulkan sepanjang periode penelitian dilakukan dengan metode statistika non parametrik maupun statistika parametrik, yaitu dengan analisis wilcoxon signed ranks test serta analisis regresi, baik regresi sederhana maupun regresi berganda.Penelitian ini membuktikan tidak terjadi penurunan volatilitas return yang signifikan pads periode setelah suspensi. Volatilitas return terbukti dipengaruhi secara sigrnifikan oleh bid ask spread relatif dan nilai transaksi secara bersamasama. Suspensi juga tidak terbukti memengaruhi likuiditas saham secara signifikan. Variasi hid ask spread relatif dipengaruhi oleh volatilitas return dan nilai transaksi secara signifikan.

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The main purpose of this study is to examine the effectiveness of trading halt (suspension) at Jakarta Stock Exchange (JSX). The stated purpose of this suspension is to allow investors an opportunity to react to the relevant information. When the relevant information has disseminated to market, it is expected to reduce return volatility. This study examines the effect of trading suspension at stocks with a significant price behavior at 2004. This paper makes a comparison at one trading day before and after suspension for some variable, by reconstruct at 30-minutes of each trading day.

The testing variable at this study are return volatility, relative bid-ask spread, depth to relative spread, and transaction values. Statistical tests are based on Wilcox on signed ranks test, simple regression and multiple regression analysis, at 5% significant level.

This study finds that trading suspension cannot reduce return volatility. Return volatility is affected by relative bid-ask spread and transactions value. Suspension also didn't impact the stocks liquidity. The change of liquidity is determined by return volatility and transaction values."

"Penelitian ini meneliti hubungan antara likuiditas saham dengan proksi zero daily return dan kinerja perusahaan (Tobin’s Q) dengan variabel kontrol book value to assets, firm age, risiko idiosinkratik, dan volatilitas operating income. Penelitian ini menggunakan metode data panel yang seimbang dengan jumlah observasi sebanyak 75 firm-years observations. Untuk mengkontrol likuiditas endogen maka digunakan Two Stage Lest Square (2SLS) dan menggunakan langkahlangkah alternatif likuiditas. Hasil penelitian ini menunjukkan bahwa perusahaan dengan saham yang likuid memiliki kinerja yang lebih baik. Namun likuiditas tidak meningkatkan kinerja perusahaan secara signifikan di sekitar terjadinya desimalisasi. Selain itu, penelitian ini menemukan bahwa adanya pengaruh yang positif antara likuiditas dan kinerja perusahaan bukan dikarenakan likuiditas premium, sentimen investor, maupun feedback effect.

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This study examines the relationship between stock liquidity using daily zero returns as its proxy and firm performance (Tobin's Q) with book value of assets, firm age, idiosyncratic risk, and volatility of operating income as control variables. Moreover, this study uses balanced panel data methods by number of observations as much as 75 firm-years observations. In order to control the endogenous liquidity, this study uses Two Stage Least Square (2SLS) and alternative measures of liquidity.

Results of this study indicate that firms with liquid stocks have better performance although liquidity does not improve firm performance significantly around the decimalization. In addition, this study found that a positive influence between liquidity and firm performance is not due to liquidity premium, investor sentiment, and the feedback effect."

"Tujuan penelitian ini adalah untuk mengetahui pengaruh IPO Underpricing terhadap likuiditas saham di Bursa Efek Indonesia selama periode 2006-2011. Penelitian ini menggunakan dua pendekatan untuk menghitung variabel terikat (likuiditas saham), yaitu volume perdagangan saham (VOL) dan volume uang dalam perdagangan saham (DVOL). Begitu juga dalam menghitung variabel bebas (underpricing), menggunakan dua pendekatan yaitu UNDO dan UNDC. Dalam menghitung UNDO, harga saham yang digunakan adalah harga pembukaan hari pertama listing. Sedangkan untuk perhitungan UNDC, harga saham yang digunakan adalah harga penutupan hari pertama listing.Pengujian hipotesis penelitian ini menggunakan model regresi linear berganda dengan data cross section. Sampel dalam penelitian ini sebanyak 75 perusahaan yang melakukan IPO selama periode 2006-2011. Penelitian ini juga menggunakan tiga variabel kontrol, yaitu jumlah lembar saham yang ditawarkan saat IPO, harga perdana saham, dan umur perusahaan.Hasil penelitian menunjukkan bahwa underpricing berpengaruh positif signifikan terhadap volume perdagangan saham (VOL) di Bursa Efek Indonesia. Sedangkan untuk likuiditas dengan pendekatan volume uang (DVOL), underpricing tidak berpengaruh signifikan. Hal ini sejalan dengan penelitian yang dilakukan Zhen dan Li (2007) yang menyatakan bahwa underpricing berpengaruh positif terhadap volume transaksi. Zhen dan Li tidak menemukan hubungan yang konsisten antara underpricing dengan ukuran likuiditas lainnya.

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The objective of this research is to examine the effect of IPO Underpricing on stock liquidity in the Indonesian Stock Exchange during the period 2006-2011. This study used two approaches to calculate the dependent variable (stock liquidity), which are trading volume and volume of money in stock trading. In calculating the independent variable (underpricing), this study also uses two approaches, they are UNDO and UNDC. In calculating an UNDO, the share price used is the opening price of the first day of listing. In UNDC calculating, stock price used is the closing price of the first day of listing.

The hypothesis testing of this study using a multiple linear regression model with cross section data. The samples in this study were 75 companies. This study also used three control variables: the number of shares offered, the initial price of the stock, and firm age.

The results showed that underpricing is positively significant to trading volume (VOL) at the Indonesian Stock Exchange. The research also found that underpricing has no significant relation to the volume of money (DVOL). This is consistent with research conducted Zhen and Li (2007) which states that the underpricing positively related to the volume of transactions. Zhen and Li did not find any consistent relation between underpricing and other liquidity measures."

"Penelitian ini membahas tentang pengaruh liquidity shock terhadap return saham yang terdaftar di Bursa Efek Indonesia pada tahun 2015-2019. Liquidity shock merupakan ukuran likuiditas yang belum banyak dieksplorasi dalam penelitian terkait asset pricing. Return saham yang diuji dalam penelitian ini adalah weekly excess return. Pengujian dilakukan dengan mengkontrol variabel ukuran perusahaan yang diproksikan dengan market capitalization, ukuran ilikuiditas berupa relative bid-ask spread, dan ukuran sensitivitas berupa beta. Analisis yang dilakukan adalah analisis univariat pada level portofolio termasuk signifikansi dan compare means menggunakan one-way ANOVA dan independent sample t-test, analisis regresi linear, serta analisis regresi logistik. Hasil analisis menunjukkan bahwa variabel liquidity shock berpengaruh negatif signifikan terhadap weekly excess return pada regresi linear dengan tingkat signifikansi 0,1 dan berpengaruh negatif signifikan terhadap peluang terjadi return positif pada regresi logistik dengan tingkat signifikansi 0,05. Pada analisis univariat dihasilkan pergerakan nonmonotonik seiring meningkatnya liquidity shock, dengan rata-rata return yang signifikan pada titik ekstrem di desil 1 dan desil 10.

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This research discusses the effect of liquidity shock on the return of listed stocks in the Indonesia Stock Exchange for the year 2015-2019. Liquidity shock is a largely unexplored area in asset pricing literature. Stock return used as variable in this research is weekly excess return. This research using company size proxied by market capitalization, illiquidity measure in form of relative bid-ask spread, and sensitivity

measure in form of stock beta as control variables. The tests conducted in this research are univariate portfolio analysis including significancy and compare means using one way ANOVA and independent sample t-test, linear regression, and logistic regression. The result of this research is that liquidity shock is having a negative effect on the stock return that significant on significance level 0.1 using linear regression an 0.05 using logistic regression. Univariate portfolio analysis resulted a non-monotonical movement concurrently with increase of liquidity shock with significance mean on extreme value at

decile 1 and decile 10."

"The aim of this research are to analyze the impact of declining tick size toward stock liquidity and changes of order strategy. Relative bid ask spread and bid ask depth were used for analyzing stock liquidity. Whether Marketable Limit Order to Total Order was maintained to analyze the changes of order strategy. The result implies that relative spread decrease after tick size declining policy and stock more liquid. But, declining of depth can not raise tock liquidity. Comparation between depth and relative spread was maintained for solving opposite results of soread. The finding is there is no significant of liquidity. deterioration of relative spread result in cheaper cost of transaction and stock execution faster than before. Therefore traders are able to change strategy from limit order to market order."

"Penelitian ini membandingkan model CAPM dan Fama-French tiga faktor model untuk melihat dampak net Trading, order imbalace, dan likuiditas premium investor asing dan domestik di pasar modal Indonesia. Portofolio net trading dan order imbalance diestimasi dengan pendekatan quoted spread (Roll, 1984). Adapun likuikitas premium dihitung berdasarkan Amihud (2002). Hasil penelitian menunjukan bahwa market risk premium, size effect dan value effect secara konsisten berpengaruh positif terhadap return saham di pasar modal Indoensia. Net trading investor asing maupun domestik berpengaruh signifikan positif terhadap return saham. Pengaruh order imbalance ditemukan hanya pada investor asing. Selain itu, transaksi asing cenderung mampu mendapatkan return lebih besar pada saham-saham yang ilikuid sedangkan transaksi domestik cenderung mampu menghasilkan return lebih tinggi pada saham yang likuid.

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This study compares the CAPM and Fama-French three factor models to estimates the impact of Net Trading, Order Imbalace, and premium liquidity of foreign and domestic investors in the Indonesian Capital Market. Net trading portfolios and imbalance orders are estimated using the quoted spread Roll (1989) approach. The premium liquidity is calculated based on Amihud (2002). The results showed that the market risk premium, size effect and value effect consistently had a positive effect on stock returns in the Indonesian Capital Market. Net trading by foreign and domestic investors has a significant positive effect on stock returns. The influence of imbalance orders is found only on foreign investors. In addition, foreign transactions tend to be able to get greater returns on iliquid stocks, while domestic transactions tend to produce higher returns on liquid stocks.

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"Penelitian ini bertujuan untuk menguji pengaruh likuiditas saham terhadap mispricing saham di Indonesia. Likuiditas saham diukur dengan mengunakan tiga ukuran yaitu, amihud illiquidity, amihud risk dan share turnover. Pengujian dilakukan dengan menggunakan regresi berganda dan panel data dengan sampel sebanyak 92 perusahaan yang tercatat di bursa efek Indonesia selama periode 2004-2011. Hasil penelitian ini membuktikan bahwa ukuran (size) perusahaan berpengaruh negatif dan signifikan terhadap mispricing saham. Book to market ratio perusahaan berpengaruh negatif dan signifikan terhadap mispricing saham. Likuiditas saham dengan ukuran amihud illiquidity berpengaruh negatif dan signifikan terhadap mispricing saham. Likuiditas saham dengan ukuran amihud risk berpengaruh negatif dan signifikan terhadap mispricing saham. Namun Likuiditas saham dengan ukuran share turnover berpengaruh positif dan signifikan terhadap mispricing saham.

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The objective of this research is to analyze the effect of stock liquidity on stock mispricing at indonesia stock exchange. This Research uses multiple regression and panel data with 92 company listed at Indonesia Stock Exchange taken as a sample.

The result of this research shows that size and book to market ratio have negative effect and significantly influence stock mispricing. Stock Liquidity measured by amihud illiquidity shows that liquidity has negative effect and significantly influence stock mispricing.

Stock Liquidity measured by amihud risk also shows that liquidity has negative effect and significantly influence stock mispricing. However, Stock Liquidity measured by share turnover shows that liquidity has positive effect and significantly influence stock mispricing."

"Penelitian ini mengenai hubungan likuiditas dan return di pasar modal terus mengalami perkembangan sejak pertama kali dilakukan oleh Amihud dan Mendelson (1986) terutama dalam hal ukuran yang digunakan. Penelitian kali ini dilakukan untuk menguji persistensi ada tidaknyan premi likuiditas di Indonesia dengan mempelajari portofolio berdasarkan tiga ukuran likuiditas, yakni zeros, amihud dan FHT. Berdasarkan analisis yang dilakukan, peneliti menemukan bahwa permintaan premi likuiditas terjadi pada saat krisis finansial. Selain itu, peneliti juga menemukan bahwa investor dalam mengkoreksi keputusan investasi mereka setiap enam minggu.

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Research on the relationship of liquidity and return on capital markets has been developing since the first conducted by Amihud and Mendelson (1986), especially in terms of the measurement used. This study is conducted to examine the persistence liquidity premiums in Indonesia by studying a portfolio based on three measures of liquidity, zeros, Amihud, and FHT. Based on the analysis, found that the demand for liquidity premium exists on the financial crisis. In addition, it is also found that investorsadjust their investment decision in every six weeks."

"Tesis ini membahas pengaruh likuiditas terhadap imbal hasil saham yang diperdagangkan di Bursa Efek Indonesia pada periode tahun 2004-2013 dengan menggunakan model Liquidity Adjusted CAPM. Dalam penelitian ini, dilakukan pengukuran likuiditas saham dengan metode illiquidity Amihud dan membuat portfolio saham berdasarkan nilai illiquidity. Selanjutnya dibuat hubungan antara expected return dengan liquidity risk dengan menggunakan model Liquidity Adjusted CAPM yang merupakan model CAPM yang ditambahkan beta liquidity. Hasil penelitian ini menunjukkan bahwa risiko pasar dan risiko likuiditas berpengaruh positif dan signifikan terhadap expected return portfolio saham di Bursa Efek Indonesia pada periode 2004-2013.

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This thesis explored the effect of liquidity on stock returns traded on the Indonesia Stock Exchange in the period 2004-2013 by using Adjusted Liquidity Model CAPM. In this study, stock liquidity measured by Amihud illiquidity method and create a portfolio of stocks based on their illiquidity value. Furthermore, we construct the relationship between expected return and the liquidity risk by using Liquidity Adjusted CAPM model that added liquidity beta to traditional CAPM model. The results of this study indicate that the market risk and liquidity risk have significant and positive effect to the expected return on the stock portfolio of the Indonesia Stock Exchange in the period 2004-2013."

"Penelitian ini bertujuan untuk menganalisis pengaruh bulan Ramadhan sebagai salah satu momentum keagamaan terhadap risiko, tingkat pengembalian, likuiditas, dan Indeks Harga Saham Gabungan IHSG di Bursa Efek Indonesia periode 2013-2017. Likuiditas dalam penelitian ini diukur dengan menggunakan Roll rsquo;s Measure, risiko dan tingkat pengembalian diukur menggunakan Generalized Autoregressive Conditional Heteroskedasticity GARCH , dan IHSG diukur menggunakan angka indeks sederhana atau simple agregative method berdasarkan perubahan harga setiap harinya. Hasil penelitian ini menunjukkan bahwa Ramadhan tidak memiliki pengaruh signifikan terhadap variabel-variabel penelitian di Bursa Efek Indonesia yang berarti bahwa bulan Ramadhan tidak berpengaruh terhadap pasar saham di Indonesia.

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This research aims to analyze the influence of Ramadan as one of religious momentum in terms of risk, rate of return, liquidity, and composite stock price index CSPI in Indonesia stock exchange in the period of 2013 2017. The liquidity in this study is measured with Roll rsquo s Measure, while the risk and rate of return are measured using Generalized Autoregressive Conditional Heteroskedasticity GARCH , and the CSPI is measured using simple index number or simple aggregative method based on the daily price change. The result of this research designates that Ramadan does not have any significant influence on the research variables in Indonesia Stock Exchange which indicates that Ramadan does not affect the stock market in Indonesia."