SLB Covered Call Rolls

Bought to close SLB Nov 20 2020 19.0 Calls / Sold to Open SLB Nov 27 2020 19.0 Calls at $0.09 Credit.
Bought to close SLB Nov 20 2020 19.5 Calls / Sold to Open SLB Nov 27 2020 19.5 Calls at $0.20 and 0.22 Credit.
Bought to close SLB Nov 20 2020 20.0 Calls / Sold to Open SLB Nov 27 2020 20.5 Calls at $0.02 Credit but added 0.50 to the short strike (which is now OTM)