Is there any good estimation of when, in 2019, the inflation rate of XMR will become inferior to the inflation rate of BTC?
You can look here. https://docs.google.com/spreadsheets/d/1qXi7zUSIh7F6UuSuhOryyFbHEy_LJuym3I3neAga_2s/edit?usp=drive_web&ouid=105927644072070760779
It already was once before Bitcoin halving for a short time.
It says in about a year.
According to it daily inflation crossover will happen on 10 August 2019. I don't know if this table is take into account every variable there is, anyway interesting data too look at.