trading levels

oil 2/6-10
trading levels lows 69 highs 76,6
R3 75,1
R2 74,3
R1 73,7
N VALUE 73
S1 71,9 72
S2 70,7
S3 69,3

This is today's levels that I use

sell as close to the highest level that is possible
buy as close to the lowest level that is possible
and sometimes it gets a little trade between levels if it feels right for the moment