The ASX granted the trading halt but shares had already dipped 13.4% to $10.40.
The trading halt was requested so that Blue Sky can review and respond to a research report which it has recently received.
Blue Sky requested that the trading halt continue until the earlier of it releasing an announcement in relation to the research report or until the open of trading on April 3, 2018.
Glaucus targeted sandalwood company Quintis last year
Quintis is now in administration.