Seasonal patterns for Fresenius Medical Care Ag American Depositary Shares (Each Representing 1/2 Of An Ordinary Share) (FMS): implied volatility, historical volatility and option volume averaged for each day of the year, going back to 2014.
For the latest figures, see FMS implied volatility.
The following chart shows how implied volatility (IV30) trended by calendar period to detect seasonal patterns during the year.