Key data per share

  2013 2014 2015 2016 2017***  2018
Number of outstanding shares on 31 Dec 15'533'158 15'613'849 15'676'549 15'326'815 15'715'403 15'833'441
Share price on 31 Dec 166.80 250.75 305.0 397.5 688.50 618.00
Market capitalization 31 Dec (in CHF m) 2'615 3'915 4'778 6'092 10'887 9'785
Earnings per share / EPS (in CHF)* 6.55 10.15 9.19* 11.94 14.65 16.99
Price/earnings ratio 25 25 33 33 46 36
Dividend per share (in CHF)**** 3.75 3.75 4.00 4.25 4.75 5.25
Payout ratio (% of EPS)* 53% 45% 44% 36% 32% 31%
Dividend yield** 2.3% 1.5% 1.2% 1.1% 0.7% 0.8%

* Excl. exceptionals and one-time effects
** Calculated by applying year-end closing price
*** Restated
**** Dividend for the current fiscal year payable in April of the following year