Research Article

The Pricing of Portuguese Privatisation Second Initial Public Offerings

Table 4

1 to 12-, 36-, and 60-month BHR and BHAR.

Months BHRBHAR# BHAR > 0

Short-run Aftermarket 115−5,4%−7,1%3−3,20767***
215−9,9%−12,1%1−3,91777***
315−7,2%−10,1%3−3,631***
415−8,7%−11,9%3−3,8785***
515−2,2%−6,8%2−0,72954
6150,1%−5,0%4−0,48288
7152,5%−5,2%4−0,45987
8152,3%−8,2%4−0,72498
9151,9%−10,2%2−0,86628
10155,7%−6,4%6−0,50836
11155,5%−6,3%5−0,50836
12154,8%−7,0%4−0,57442

()()()()()()

Aftermarket361456,5%−4,8%5−0,27282
()()()()()()
601276,5%−9,0%5−0,42775

The table reports returns earned with a buy and hold strategy of the equally weighted Portuguese PSIPO portfolio for 1 to 12, 36, and 60 months following the first (or only) public offer, both with (BHAR) and without (BHR) adjustment for market movements. ***, **, and * denote, respectively, a return statistically different from zero for a significance level of 1%, 5%, and 10%.