MACD Strategy

//version=5
strategy("MACD Strategy", overlay=true)

//Macd 参数
fastLength = input(12, title="快线长度")
slowLength = input(26, title="慢线长度")
MACDLength = input(9, title="MACD 信号线长度")

// 计算 MACD
MACD = ta.ema(close, fastLength) - ta.ema(close, slowLength)
aMACD = ta.ema(MACD, MACDLength)
delta = MACD - aMACD


// 计算 EMA(10) 和 MA(20)
ema10 = ta.ema(close, 10)
ma20 = ta.sma(close, 20)
// 在图表上绘制 EMA(10) 和 MA(20)，用于调试
plot(ema10, title="EMA 10", color=color.blue, linewidth=2)
plot(ma20, title="MA 20", color=color.red, linewidth=2)

// 实时检查条件
// 检查 EMA(10) 是否高于 MA(20)
bool emaAboveMa = ema10 > ma20

// 检查 MACD 是否在信号线上方，且 MACD 和信号线均在 0 轴下方
bool macdCondition = (MACD > aMACD) and (MACD < 0) and (aMACD < 0)

// 添加调试信息 - 当条件满足时绘制图形
plotshape(emaAboveMa, title="EMA Above MA Condition", size=size.small, text="eam")
plotshape(macdCondition, title="MACD Condition", size=size.small, text="macd")

// 当两个条件都满足时，触发买入操作
if (emaAboveMa and macdCondition)
strategy.entry("多头", strategy.long, comment="买入信号")
// 显示买入信号的标签
label.new(bar_index, high, "买入", textcolor=color.white, style=label.style_label_up, size=size.normal)

// 平仓条件
if (ta.crossunder(delta, 0) and MACD > 0 and aMACD > 0)
strategy.close("MacdLE", comment="Close Long")
//if (ta.crossunder(delta, 0))
// strategy.entry("MacdSE", strategy.short, comment="MacdSE")
//plot(strategy.equity, title="equity", color=color.red, linewidth=2, style=plot.style_areabr)