The following are the largest in the US right now:
• The Horizons Marijuana Life Sciences Index ETF (OTC: HMLSF) (TSE:HMMJ)
• The ETFMG Alternative Harvest ETF (NYSE:MJ)
• The AdvisorShares Pure Cannabis ETF (NYSE: YOLO)
• The Cannabis ETF (NYSE:THCX)
• The Amplify Seymour Cannabis ETF (NYSE:CNBS)