The Warsaw Stock Exchange jumped close to 15% up from the price it was sold to institutions on its first day of trading today, joining the likes of Jupiter Fund Management (which floated in London), technology company Betfair (London) and jewellery maker Pandora (Copenhagen) as one of the best day-one initial public offering performers of the second half.

The Warsaw Stock Exchange priced its own initial public offering on October 29, with retail investors paying 43 zloty per share and institutional investors 46 zloty per share. The issue raised 1.2bn zloty, or $423m.