Couple of events that may have an effect on price. Certainly the curtailing of monthly supply will help with price stabilisation and bullishness. You can spot the dumps that happened around the 4th of each month. June 2019 is the end of those supply drops.
The Mainframe Platform Release will be announced on the 15th February 2019. Might not effect price, but the mainnet event itself surely will be a buy the rumour sell the news type of event.