Notable Friday Option Activity: PTGX, IART, NUVA

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Protagonist Therapeutics Inc (PTGX), where a total of 7,865 contracts have traded so far, representing approximately 786,500 underlying shares. That amounts to about 279.6% of PTGX's average daily trading volume over the past month of 281,320 shares..
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