82 lines
2.6 KiB
Plaintext
82 lines
2.6 KiB
Plaintext
// 自定义MACD柱子面积计算指标
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// 作者: Claude AI
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// 版本: 1.0
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//@version=5
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indicator("自定义MACD柱子面积", shorttitle="自定义MACD面积", overlay=false)
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// MACD参数
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fast_length = input.int(12, "快线长度", minval=1)
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slow_length = input.int(26, "慢线长度", minval=1)
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signal_length = input.int(9, "信号线长度", minval=1)
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// 面积计算参数
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reset_on_crossover = input.bool(true, "交叉时重置面积")
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use_cumulative = input.bool(false, "使用累计总面积")
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// 计算MACD
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[macdLine, signalLine, histLine] = ta.macd(close, fast_length, slow_length, signal_length)
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// 初始化面积变量
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var float upArea = 0.0
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var float downArea = 0.0
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var float totalUpArea = 0.0
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var float totalDownArea = 0.0
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// 检测柱子正负性并累加面积
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if histLine > 0
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if use_cumulative
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totalUpArea := totalUpArea + histLine
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upArea := totalUpArea
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else
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upArea := upArea + histLine
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// 当从负值转为正值时，根据设置决定是否重置下跌面积
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if histLine[1] < 0 and reset_on_crossover
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downArea := 0.0
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else if histLine < 0
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if use_cumulative
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totalDownArea := totalDownArea + math.abs(histLine)
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downArea := totalDownArea
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else
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downArea := downArea + math.abs(histLine)
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// 当从正值转为负值时，根据设置决定是否重置上涨面积
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if histLine[1] > 0 and reset_on_crossover
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upArea := 0.0
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// 绘制结果
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upColor = color.new(color.green, 50)
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downColor = color.new(color.red, 50)
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plot(upArea, "上涨段面积", color=upColor, style=plot.style_area)
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plot(downArea, "下跌段面积", color=downColor, style=plot.style_area)
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plot(histLine, "MACD柱状图", color=histLine >= 0 ? color.green : color.red, style=plot.style_histogram)
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plot(macdLine, "MACD", color=color.blue)
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plot(signalLine, "信号线", color=color.orange)
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// 添加文字标签
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var label upLabel = na
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var label downLabel = na
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if barstate.islast
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upLabel := label.new(
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bar_index, upArea,
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text="上涨面积: " + str.tostring(upArea, "#.##"),
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color=color.green,
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style=label.style_label_down,
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textcolor=color.white)
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downLabel := label.new(
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bar_index, downArea * -1,
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text="下跌面积: " + str.tostring(downArea, "#.##"),
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color=color.red,
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style=label.style_label_up,
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textcolor=color.white)
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label.delete(upLabel[1])
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label.delete(downLabel[1])
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// 绘制上涨/下跌面积比率
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ratio = upArea / (downArea + 0.0001)
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plot(ratio, "上涨/下跌比率", color=color.purple, linewidth=2) |