Originally Posted by Troopers

That's correct. My balance is 24k less than it was yesterday (I'm certain of this and have a screenshot from last week with the 24k), and there isn't an 24k activity.

Perhaps it's a coincidence and/or associated with the missing 24k, but I did received several "Confirming your points activity/Points have been deducted" emails within the last few days. What's odd is that these activities were booked (with points removed) months ago but it shows up as a recent activity.