ACST Charts and Analysis Research ACST (More charts, high-low gauges, historical data and company profile. Last Update: April 21, 2021 Join our elite trading community! Acasti Pharma (ACST) seems ready to work its way up the right side of this head-and-shoulders bottom patterns. Charts like balance. The lower channel on either side of the “Head” are relatively similar in time-frame. The ascending channel (1->2) indicates bullish momentum building toward a potential major breakout. The current entry, sitting on support, is solid.