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mt5_python_ea_suite/strategies/bollinger.py
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songkunling 769729e610 基本完毕
2025-08-14 10:13:04 +08:00

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1.6 KiB
Python

import pandas as pd
from .base_strategy import BaseStrategy
from config import STRATEGY_CONFIG
class BollingerStrategy(BaseStrategy):
def __init__(self, data_provider, symbol, timeframe, period=None, std_dev=None):
super().__init__(data_provider, symbol, timeframe)
# 从配置中获取参数,如果传入参数则使用传入的参数
config = STRATEGY_CONFIG.get('bollinger', {})
self.period = period if period is not None else config.get('period', 20)
self.std_dev = std_dev if std_dev is not None else config.get('std_dev', 2.0)
def _calculate_indicators(self, df):
mean = df['close'].rolling(self.period).mean()
std = df['close'].rolling(self.period).std()
df['upper_band'] = mean + self.std_dev * std
df['lower_band'] = mean - self.std_dev * std
return df
def generate_signal(self):
rates = self.data_provider.get_historical_data(self.symbol, self.timeframe, self.period + 5)
if rates is None or len(rates) < self.period:
return 0
df = pd.DataFrame(rates)
df = self._calculate_indicators(df)
if df['close'].iloc[-1] < df['lower_band'].iloc[-1]:
return 1
elif df['close'].iloc[-1] > df['upper_band'].iloc[-1]:
return -1
return 0
def run_backtest(self, df):
df = df.copy()
df = self._calculate_indicators(df)
signals = pd.Series(0, index=df.index)
signals[df['close'] < df['lower_band']] = 1
signals[df['close'] > df['upper_band']] = -1
return signals