Suggestion indicator to expert advisor ...help pls

I give you the expert settings :

When the buy signal appears open the trade and close all buy(s) in opposite signal sell


and open sell signal and close all sell(s) in opposite signal buy


-----------------------------indicator setup-----------------------------

extwprperiod : 14

overbought : -20

oversold : -80

alerT : true

arrow : true

shift : 0

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lot : 0.01

use risk : true

risk percent : 5.0

take profit on : true

points tp : 100

stop loss on : true

points SL : 100

close all in opposite signal : true

notifications on : true

EAName : WPR _Bot_v2


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image of indicator