My guess is that there are constraints that make it unattractive to institutions. Only 20 trading opportunities a day, fairly limited alpha on each trade (1-3b

My guess is that there are constraints that make it unattractive to institutions. Only 20 trading opportunities a day, fairly limited alpha on each trade (1-3bps), limited liquidity since you're just trading against the small retail population watching Cramer at that time, the possibility of getting picked off by another institution who figures you out...