如何在不使用 PineScript 中当前蜡烛的高点的情况下，使追踪卖出随价格上涨而在价格反转时不下跌

如何解决如何在不使用 PineScript 中当前蜡烛的高点的情况下，使追踪卖出随价格上涨而在价格反转时不下跌

如何在不使用 Pinescript 中当前蜡烛图的高点的情况下，使追踪卖出随价格上涨而在价格反转时不下跌

//@version=4
study("Trailing Sell ",overlay=true)

//--------------------------------------------TRAILING SELL-------------------------------------------

//TRAILING SELL LINE

show_drop_labels = input(true,title="Show Labels Trailing Below")
trailing_sell_offset = input(-0.2,title="Red Trailing Sell Line % Set Above Current Price",maxval=100,step=0.1)
    

src = close // should trail up behind current price and not the candle(high). should trail up and stop if price reverse. 
sumbars2 = 1
color_sell = color.red
per_calc = (sum(src,sumbars2)/sumbars2)*(1+(trailing_sell_offset/100))

trailing_sell_line = line.new(x1=bar_index,y1=per_calc,x2=bar_index[13],y2=per_calc,width=1,color=color_sell)

line.set_extend(trailing_sell_line,extend.none)
line.delete(trailing_sell_line[1])

//TRAILING SELL LABEL

var line l12 = na
if show_drop_labels 
   
    label trailing_sell_label = label.new(bar_index[12],per_calc,"Trailing Sell Line",textcolor=color.white,style=label.style_label_right,color=color_sell,size=size.tiny )
    
    line.delete(l12[1])
    label.delete(trailing_sell_label[1])