// 定义数据长度

data_length = 100

// 定义短期和长期移动平均线长度

short_length = 12

long_length = 26

// 定义快速线和慢速线的加权参数

fast_weight = 2.0 / (short_length + 1)

slow_weight = 2.0 / (long_length + 1)

// 初始化DIF和DEA线

dif = 0.0

dea = 0.0

// 根据个股特性，动态调整参数

if (stock_volatility > 0.5):

short_length = 10

long_length = 30

elif (stock_volatility < 0.2):

short_length = 5

long_length = 15

// 计算移动平均线和MACD指标

ema_short = ema(data, short_length, fast_weight)

ema_long = ema(data, long_length, slow_weight)

dif = ema_short - ema_long

dea = ema(dif, 9, 2.0 / (9 + 1))

macd = (dif - dea) * 2