请帮忙写个止损
持空单的情况下,取开仓Bar左边4根Bar内最高价加2跳止损,持多单的情况下,取开仓BAR左边4根内的最低价加2跳止损。谢谢~vars
numeric aa;
numeric bb;
numericseries prehigh;
numericseries prelow;
begin
aa = highest(high,4);
bb = lowest(low,4);
if(buycon )
{
buy;
prelow = bb;
}else if( sellshortcon)
{
sellshort;
prehigh = aa;
}
if(marketposition ==1 && low<= prelow - 2*minmove*pricescale)
{
sell;
}
if(marketposition==-1 && high>= prehigh+2*minmove*pricescale)
{
buytocover;
}
end
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