Author: |
陸俊承 Chun-Chung Lu |
---|---|
Thesis Title: |
IPO價差對於公司股票之影響 – 以興櫃市場價格為參考 How Did IPO Spread Influence the Share Price – Using Emerging Market Price for Reference |
Advisor: |
謝劍平
Joseph C.P. Shieh |
Committee: |
陳俊男
Chun-Nan Chen 梁瓊如 Chiung-Ju Liang |
Degree: |
碩士 Master |
Department: |
管理學院 - 財務金融研究所 Graduate Institute of Finance |
Thesis Publication Year: | 2019 |
Graduation Academic Year: | 107 |
Language: | 中文 |
Pages: | 54 |
Keywords (in Chinese): | IPO承銷價差 、訊號發射理論 |
Keywords (in other languages): | IPO Spread, Signaling Theory |
Reference times: | Clicks: 590 Downloads: 12 |
Share: |
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當公司初次公開發行股票皆有驚人的期初異常正報酬,許多學者試圖找出這個異常現象的解釋,在探討期初異常正報酬的問題時,可以將此報酬再細分為二種來源,第一種來源,若上市前的承銷價與市價的差距過大,則未來期初報酬自然呈現異常為正的現象;另一種來源,為期初異常正報酬來自於上市後市場的良好反應。台灣股票市場在上市的法規中,要求公司股票必須在預備市場交易滿六個月,得上市(櫃)資格,讓我們有機會一探公司上市前市場對其股價的認知。本研究以興櫃市場收盤價作為市價,把過往期初報酬計算方式中的價差與真正的期初報酬分開,並觀察不同的價差是否對後續的股價績效有影響,最後再利用初上市公司之後續現金增資,驗證Allen & Faulhaber(1989)的理論是否在台灣市場成立。
本研究從興櫃收盤價的角度出發,得到的結論有三,(1) 承銷價與興櫃收盤價差(市價差)是影響過往研究中首日報酬的主要因素;(2) 市價差會影響公司股票長期報酬,但對短期報酬無影響;(3) 台灣股票市場實證存在Allen & Faulhaber(1989)的訊號發射理論,不存在Jegadeesh, Weinstein & Welch (1993)的市場回饋假說理論。
After initial public offering, it always has incredible abnormal initial return, and many researches are trying to explain it. Initial return can be divided into two part. First, spread between underwriting price and market price caused high incredible initial return. Another one is pure initial return, which shows reaction from investor after IPO. Regulation for listing in Taiwan stock market ask company have to list on emerging market for six months, and then qualify to go public on stock exchange market or OTC market. We can treat emerging market price as market price before IPO to get spread and calculate pure initial return. In this research, I observe whether different spread would affect stock performance, and check whether Allen & Faulhaber (1989) signaling theory works in Taiwan market.
In this paper, the calculation based on emerging market price and got three conclusions. (i). Spread, the price between emerging market and underwriting price, is the biggest factor affect initial return on past research. (ii). Different spread will affect stock long term performance but short term. (iii). Allen & Faulhaber(1989) signaling theory exists in Taiwan stock market, but Jegadeesh, Weinstein & Welch (1993) market feedback hypothesis doesn’t work in Taiwan.
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