VXX Puts rolled down

Bought to close VXX Dec 10 2021 22.0 Puts / Sold to Open VXX Dec 17 2021 21.0 Puts at $0.02 Credit
Bought to close VXX Dec 10 2021 21.5 Puts / Sold to Open VXX Dec 17 2021 20.5 Puts at $0.06 Credit.
Lowered the short strike a point on both positions