| 31.12.2017 | 31.12.2018 | 31.12.2019 | 31.12.2020 | 31.12.2021 | 31.12.2022 | 31.12.2023 | |
|---|---|---|---|---|---|---|---|
| Price at year-end (CHF) | 151.70 | 135.40 | 175.00 | 157.50 | 149.10 | 142.70 | 131.80 |
| High (CHF) | 159.40 | 159.40 | 186.60 | 182.10 | 168.80 | 176.00 | 158.50 |
| Low (CHF) | 121.35 | 131.60 | 135.80 | 107.90 | 137.60 | 125.50 | 126.90 |
| Market capitalisation (CHF million) | 7,403.0 | 6,607.5 | 8,540.0 | 7,686.0 | 6,828.8 | 6,535.7 | 6'036.4 |
| Basic earnings per share (CHF) | 11.50 | 11.14 | 15.02 | 9.65 | 13.06 | 12.13 | 5.29 |
| Diluted earnings per share (CHF) | 11.48 | 11.12 | 14.99 | 9.63 | 13.05 | 12.12 | 5.29 |
| Price / earnings (p / e) ratio | 13.19 | 12.15 | 11.65 | 16.32 | 11.42 | 11.76 | 24.91 |
| Price / book (p / b) ratio | 1.14 | 1.07 | 1.20 | 1.10 | 0.92 |
1.42 |
1.84 |
| Number of shares issued (units) | 48,800,000 | 48,800,000 | 48,800,000 | 48,800,000 | 45,800,000 | 45,800,000 | 45,800,000 |
| Number of treasury shares (units) | 1,327,993 | 2,218,134 | 3,238,607 | 3,750,453 | 648,730 | 545,636 | 386,636 |
| Number of shares in circulation (units) | 47,472,007 | 46,581,866 | 45,561,393 | 45,049,547 | 45,151,270 | 45,254,364 | 45,413,660 |
| Average number of shares outstanding | 47,641,577 | 46,979,421 | 46,219,774 | 45,031,594 | 45,062,127 | 45,176,614 | 45,298,246 |
| Dividend per share (CHF) | 5.60 | 6.00 | 6.40 | 6.40 | 7.00 | 7.40 | 7.70 |
| Dividend pay-out ratio (in percent) | 48.7 | 53.9 | 42.6 | 66.3 | 53.6 |
61.0 |
145.6 |
| Dividend yield (in percent) | 3.7 | 4.4 | 3.7 | 4.1 | 4.7 | 5.2 | 5.8 |