Notable Friday Option Activity: GWRE, LYB, CAT

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Guidewire Software Inc (NYSE: GWRE), where a total of 2,648 contracts have traded so far, representing approximately 264,800 underlying shares. That amounts to about 55.8% of GWRE's average daily trading volume over the past month of 474,520 shares. Especially high volume was seen for the $45 strike put option expiring March 18, 2016, with 1,494 contracts trading so far today, representin...