zero fee dex?

crab harmonic pattern:
X=$2.86
A=$0.0036
AB=0.61 XA
BC=0.38 AB
1.6 BC=$0.594
0.78 XA=$0.685
2 BC=$1.08
0.88 XA=$1.33
2.24 BC=$1.58
2.6 BC=$2.86
1.13 XA=$6.8
3.6 BC=$13.76
1.27 XA=$17.54
4.23 BC=$36.33
1.41 XA=$44
1.6 XA=$176