announcing direct investment in cryptocurrency become more interconnected with bitcoin. Event-study: Abnormal Returns (AR) Market model • 𝐴𝑅𝑖,𝑡 = 𝑅𝑖,𝑡 − 𝛼 − 𝛽𝑖 (𝑅𝑚,𝑡) Cumulative abnormal
, complexity, nature of the business environment, specific circumstances , and industry sector. H1: Number of KAMs is positively associated with cumulative abnormal returns/trading volumes (that is the greater
กลุม่ กราฟแสดงสดัส่วนการลงทุนในปัจจุบนัท่ี Standardized แลว้ Investor types Mean Rank of mean within same investor types Rank of mean across investor types Cash Holder Old- Fashioned Modern Investor Cash
order to identify the characteristics of the stocks that funds hold, we rank Thai stocks based on dimensions that correspond to the 4-factor asset pricing model and classify them in to quintiles. For
Persistence of Performance http://www.sec.or.th Empirical Paper Methodology Evidence Sharpe (1966) Spearman rank correlation Yes Jensen (1968) Jensen’s alpha No Grinblatt&Titman (1989,1992) Jensen’s alpha Yes
significant economic- related benefits to MBEB. Specifically, this evidence suggests that markets assign higher price- earnings multiples, react with positive abnormal returns, or demand lower cost of debt to
% 52,010,000.00 2.50 130,050,000.00 10 Vibhavadi Medical Center PCL. 50% 56,000,000.00 2.68 150,000,000.00 Total 100% 112,000,000.00 2.68 300,000,000.00 Rank List of Shareholders Proportion Shares Price per Share
investigate which types of market participants are more likely to implement such trading strategy and provide abnormal liquidity to the market at threshold prices. • H1: The existence of different relative tick
December 2018. The major increase item is raw material which is result from the strategic buy of raw material under the abnormal market situation in last year. Unit : Million Baht 31 Mar 2019 31 Dec 2018
firms from Singapore and Thai exchanges. • Next, firms sorted into decile groups by price and top decile price range is eliminated. • Assume event firm abnormal returns are independent as RTO occurrence