Options Highly Liquid Exchange-Traded Funds Ranked by 30-Day Implied Volatility: MJ (39/75) (Cannabis) ICLN (10/56) (Clean Energy) LIT (36/47) (Battery) JETS (2/46) (Airlines) EWZ (5/43) (Brazil) XBI (29/43) (Biotech) XLE (8/42) (Energy) SMH (28/41) (Semiconductor) KRE (8/40) (Regional Banks) SLV (10/38) (Silver) Broad Market Exchange-Traded Funds Ranked by...