Today, Medical Properties Trust Inc (MPW) saw a high volume of options trading, with 94,357 contracts traded, representing 9.4 million underlying shares. Duolingo Inc (DUOL) also experienced significant options trading activity, with 21,552 contracts traded, representing 2.2 million shares. A-Mark Precious Metals, Inc (AMRK) had 3,120 contracts traded, representing 312,000 shares. High volume was seen for specific call options for each company. For more information on options trading for these companies, visit StockOptionsChannel.com.

Read more at Nasdaq.: Noteworthy Friday Option Activity: MPW, DUOL, AMRK