Noteworthy Thursday Option Activity: BSGM, CLX, CDNA

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in BioSig Technologies Inc (BSGM), where a total of 2,077 contracts have traded so far, representing approximately 207,700 underlying shares. That amounts to about 50.9% of BSGM's average daily trading volume over the past month of 408,165 shares..