In the example you gave, looks like SL = 10 and TP = 15.
With spread of 2.4 factored in, your SL = 12.4 and TP = 12.6.
Might want to leave SL but increase TP. Spread is too much of a factor in profit/loss with such a small target.
Looking @ your example you can see how "tiny" your win was...