YSN key data
secunet Security Networks AG (XTRA: YSN). Last close €237.00 (as of 2026-10-21); 52-week range €152.80 to €268.00. ORTEX data as of 2026-10-19: short interest is 2.23% of free float, 3.4 days to cover and the average cost to borrow is 2.17%.