为什么总显示函数未定义

朱庇特

import pandas as pd
import numpy as np

def trading_strategy(data):
    # 计算5日均线和20日均线
    data['MA5'] = data['Close'].rolling(window=5).mean()
    data['MA20'] = data['Close'].rolling(window=20).mean()

    # 初始化信号列
    data['Signal'] = 0

    # 生成交易信号
    for i in range(1, len(data)):
        if data['MA5'][i] > data['MA20'][i] and data['Close'][i] > data['MA5'][i] and data['Close'][i] > data['MA20'][i]:
            data['Signal'][i] = 1  # 做多信号
        elif data['MA5'][i] < data['MA20'][i] and data['Close'][i] < data['MA5'][i] and data['Close'][i] < data['MA20'][i]:
            data['Signal'][i] = -1  # 做空信号

    # 初始化止损位和持仓状态
    data['Stop_Loss'] = np.nan
    data['Position'] = 0

    for i in range(1, len(data)):
        if data['Signal'][i] == 1:
            data['Position'][i] = 1
            data['Stop_Loss'][i] = data['Low'][i-1]  # 设置止损位为前一根K线的最低点
        elif data['Signal'][i] == -1:
            data['Position'][i] = -1
            data['Stop_Loss'][i] = data['High'][i-1]  # 设置止损位为前一根K线的最高点
        else:
            data['Position'][i] = data['Position'][i-1]  # 持仓状态保持不变

        # 检查止损条件
        if data['Position'][i] == 1 and data['Low'][i] < data['Stop_Loss'][i]:
            data['Position'][i] = 0  # 平仓
        elif data['Position'][i] == -1 and data['High'][i] > data['Stop_Loss'][i]:
            data['Position'][i] = 0  # 平仓

    return data

# 示例数据
data = pd.DataFrame({
    'Close': [100, 102, 104, 103, 105, 107, 106, 108, 110, 109, 111, 113, 112, 114, 116],
    'Low': [99, 101, 103, 102, 104, 106, 105, 107, 109, 108, 110, 112, 111, 113, 115],
    'High': [101, 103, 105, 104, 106, 108, 107, 109, 111, 110, 112, 114, 113, 115, 117]
})

# 应用交易策略
result = trading_strategy(data)
print(result)

技术008

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