VXX – creating straddles

I’m already short the puts for next week so I’m adding the calls to create Iron Condor Calendar spreads
Sold VXX 12/18/2020 21.0 Diagonal Calls @ 0.35
Sold VXX 12/18/2020 21.5 Diagonal Calls @ 0.32
Sold VXX 12/18/2020 22.0 Diagonal Calls @ 0.29