Looks like the shorts were able to cover on the low. And this from interactivebrokers.com/en/trading/ViewShortableStocks.php?key=cbis&cntry=usa&tag=United+States&ib_entity=llc&ln= shortablestocks Symbol: CBIS Availability: 8'000 Exchanges: PINK, NITE, ARCAEDGE, IBSX, OTCBB