Noteworthy Wednesday Option Activity: GSM, ATHN, RES

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Ferroglobe PLC (GSM), where a total of 2,504 contracts have traded so far, representing approximately 250,400 underlying shares. That amounts to about 46.6% of GSM's average daily trading volume over the past month of 537,645 shares..