Pine 腳本：從上午 9 點到上午 10 點繪制盤中交易時段的最高最低價格

Question

任何人都可以幫助我如何編寫腳本：

• 繪制上午 9 點至上午 10 點內的最高價格水平
• 繪制上午 9 點至上午 10 點內的最低價格水平

兩條線都將作為我的盤中交易指南（1 分鍾圖），並將繪制到交易時段結束（下午 5 點）

Answer 1

這是你要找的嗎？

//@version=4
study("My Script", overlay=true)

var int trackingStartHour = input(9, "Tracking start hour", minval=0, maxval=23)
var float hi = na
var float lo = na
var line_hi  = line.new(x1=na, y1=na, x2=na, y2=na, xloc=xloc.bar_time, extend=extend.right, color=color.green, style=line.style_dashed)
var line_lo  = line.new(x1=na, y1=na, x2=na, y2=na, xloc=xloc.bar_time, extend=extend.right, color=color.red,   style=line.style_dashed)

f_moveLine(_id, _x, _y) =>
    line.set_xy1(_id, _x,   _y)
    line.set_xy2(_id, _x+1, _y)
    
bool isNewDate = change(time("D"))

if isNewDate
    hi := na
    lo := na
    
if (hour == trackingStartHour)
    hi := max(nz(hi), high)
    lo := min(lo ? lo : 1.0e23, low)

canPlot    = hour >  trackingStartHour
showDashed = hour > trackingStartHour

plot(canPlot ? hi : na, "hi", color.green, style=plot.style_linebr)
plot(canPlot ? lo : na, "lo", color.red, style=plot.style_linebr)

if (showDashed and year(time)==year(timenow) and month(time)==month(timenow) and dayofmonth(time)==dayofmonth(timenow))
    f_moveLine(line_hi, time, hi)
    f_moveLine(line_lo, time, lo)