Pine script 卷松脚本v4

Pine script 卷松脚本v4,pine-script,Pine Script,我正在尝试编写一个代码,它将在条形图上方显示一个标签,其体积比上一个体积大20%。我尝试过以下解决方案: a = volume / volume [1] if a> = 1 label.new (int (a), close, text = "LONG", color = color.red, style = label.style_xcross, textcolor = color.white, size = size.tiny) 还有这个 max_bar

我正在尝试编写一个代码,它将在条形图上方显示一个标签,其体积比上一个体积大20%。我尝试过以下解决方案:

a = volume / volume [1]
if a> = 1
     label.new (int (a), close, text = "LONG", color = color.red, style = label.style_xcross, textcolor = color.white, size = size.tiny)
还有这个

max_bars_back (time, 100)
a = volume [1] * 100 / volume
if a> = 2
     label.new (int (a), close, text = "LONG", color = color.red, style = label.style_xcross, textcolor = color.white, size = size.tiny)
就像这样:

a = volume [1] * 100 / volume
if a> = 2
     label.new (int (a), close, text = "LONG", color = color.red, style = label.style_xcross, textcolor = color.white, size = size.tiny)
请帮助我编写一个代码,该代码将在条形图上方显示一个标签,其卷比上一卷大20%,我尝试过这样做

尝试此简单脚本,它应根据您的条件绘制标签:

//@version=4
study("My Script", overlay=true)
// volume
if volume > volume[1] * 1.2
    label.new(bar_index, high, "V > V[1] more than 1.2 times\n current volume is " + tostring(volume) + "\nprevious volume is " + tostring(volume[1]))

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