Originally Posted by Happy

churnable provided you use up all the points before cancel the card - else you lose all the unused points after card cancellation and Citi means it - been reported multiple times before.

Again, Citi uses FIFO method so you need to pay attention on the multiple tiers of your point balance if you have TYPs from different sources and from before March this year... Those would get used first before the new TYPs earned after March (the cut off of the conversion of all old TYP cards to the current 3 groups).