| 2017 | 2016 | 2015 | 2014 | |
| 2,983 | 5,09 | 9,25 | 13,34 | Average closing price |
| 4,298 | 7,85 | 11,38 | 16,84 | Maximum closing price |
| 1,702 | 3,50 | 7,07 | 8,70 | Minimum closing price |
| 1,80 | 3,54 | 7,98 | 10,20 | Closing price on 31 December |
| 6 396 | 4 952 | 3 773 | 3 899 | Average daily trading volume (number shares/day) |
| 22 661 710 | 21 250 600 | 10 540 797 | 8 998 386 | Total number of outstanding shares on 31 December |
| 22 612 323 | 10 877 836 | 9 363 916 | 7 597 958 | Average number of outstanding shares |
| 22 703 278 | 21 274 563 | 10 556 905 | 9 009 654 | Number of issued shares on 31 December |
| 40,8 | 75,3 | 84,2 | 91,9 | Market capitalization on 31 December (EUR million) |
The Hamon shares are dematerialized since January 1, 2008. This means that the holders or bearers of physical shares have to convert them into dematerialized shares with a financial institution in order to participate to the General Assembly meetings or to get the payment of their dividend.