VXX Put Rolls

Bought to close to Close VXX Dec 18 2020 21.5 Puts / Sold to Open VXX Dec 24 2020 21.5 Puts @ 0.10 Credit.
Bought to close to Close VXX Dec 18 2020 20.5 Puts / Sold to Open VXX Dec 24 2020 20.5 Puts @ 0.15 Credit.