1、新增傅里叶策略

2、新增策略管理、策略重启功能
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2025-11-20 16:15:45 +08:00
parent 2c917a467a
commit 711b86d33f
46 changed files with 12136 additions and 0 deletions

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import numpy as np
import talib
from typing import Optional, Any, List, Dict
from src.core_data import Bar, Order
from src.strategies.base_strategy import Strategy
class TVDZScoreStrategy(Strategy):
"""
内嵌 TVD (Condat 算法) + Z-Score ATR 的趋势突破策略。
无任何外部依赖(如 pytv纯 NumPy 实现。
"""
def __init__(
self,
context: Any,
main_symbol: str,
enable_log: bool,
trade_volume: int,
tvd_lam: float = 50.0,
atr_window: int = 14,
z_window: int = 100,
vol_threshold: float = -0.5,
entry_threshold_atr: float = 3.0,
stop_atr_multiplier: float = 3.0,
order_direction: Optional[List[str]] = None,
):
super().__init__(context, main_symbol, enable_log)
self.trade_volume = trade_volume
self.order_direction = order_direction or ["BUY", "SELL"]
self.tvd_lam = tvd_lam
self.atr_window = atr_window
self.z_window = z_window
self.vol_threshold = vol_threshold
self.entry_threshold_atr = entry_threshold_atr
self.stop_atr_multiplier = stop_atr_multiplier
self.position_meta: Dict[str, Any] = self.context.load_state()
self.main_symbol = main_symbol
self.order_id_counter = 0
self.log(f"TVDZScoreStrategy Initialized | λ={tvd_lam}, VolThresh={vol_threshold}")
@staticmethod
def _tvd_condat(y, lam):
"""Condat's O(N) TVD algorithm."""
n = y.size
if n == 0:
return y.copy()
x = y.astype(np.float64)
k = 0
k0 = 0
vmin = x[0] - lam
vmax = x[0] + lam
for i in range(1, n):
if x[i] < vmin:
while k < i:
x[k] = vmin
k += 1
k0 = i
vmin = x[i] - lam
vmax = x[i] + lam
elif x[i] > vmax:
while k < i:
x[k] = vmax
k += 1
k0 = i
vmin = x[i] - lam
vmax = x[i] + lam
else:
vmin = max(vmin, x[i] - lam)
vmax = min(vmax, x[i] + lam)
if vmin > vmax:
k = k0
s = np.sum(x[k0:i+1])
s /= (i - k0 + 1)
x[k0:i+1] = s
k = i + 1
k0 = k
if k0 < n:
vmin = x[k0] - lam
vmax = x[k0] + lam
while k < n:
x[k] = vmin
k += 1
return x
def _compute_zscore_atr_last(self, high, low, close) -> float:
n = len(close)
min_req = self.atr_window + self.z_window - 1
if n < min_req:
return np.nan
start = max(0, n - (self.z_window + self.atr_window))
seg_h, seg_l, seg_c = high[start:], low[start:], close[start:]
atr_full = talib.ATR(seg_h, seg_l, seg_c, timeperiod=self.atr_window)
atr_valid = atr_full[self.atr_window - 1:]
if len(atr_valid) < self.z_window:
return np.nan
window_atr = atr_valid[-self.z_window:]
mu = np.mean(window_atr)
sigma = np.std(window_atr)
last_atr = window_atr[-1]
return (last_atr - mu) / sigma if sigma > 1e-12 else 0.0
def on_open_bar(self, open_price: float, symbol: str):
self.symbol = symbol
bar_history = self.get_bar_history()
if len(bar_history) < max(100, self.atr_window + self.z_window):
return
closes = np.array([b.close for b in bar_history], dtype=np.float64)
highs = np.array([b.high for b in bar_history], dtype=np.float64)
lows = np.array([b.low for b in bar_history], dtype=np.float64)
# === TVD 平滑 ===
tvd_prices = self._tvd_condat(closes, self.tvd_lam)
tvd_price = tvd_prices[-1]
# === Z-Score ATR ===
current_atr = talib.ATR(highs, lows, closes, timeperiod=self.atr_window)[-1]
if current_atr <= 0:
return
deviation = closes[-1] - tvd_price
deviation_in_atr = deviation / current_atr
position_volume = self.get_current_positions().get(self.symbol, 0)
if position_volume != 0:
self.manage_open_position(position_volume, bar_history[-1], current_atr, tvd_price)
return
direction = None
if "BUY" in self.order_direction and deviation_in_atr > self.entry_threshold_atr:
direction = "BUY"
elif "SELL" in self.order_direction and deviation_in_atr < -self.entry_threshold_atr:
direction = "SELL"
if direction:
self.log(f"Signal Fired | Dir: {direction}, Dev: {deviation_in_atr:.2f} ATR")
entry_price = closes[-1]
stop_loss = (
entry_price - self.stop_atr_multiplier * current_atr
if direction == "BUY"
else entry_price + self.stop_atr_multiplier * current_atr
)
meta = {"entry_price": entry_price, "stop_loss": stop_loss}
self.send_market_order(direction, self.trade_volume, "OPEN", meta)
self.save_state(self.position_meta)
def manage_open_position(self, volume: int, current_bar: Bar, current_atr: float, tvd_price: float):
meta = self.position_meta.get(self.symbol)
if not meta:
return
stop_loss = meta["stop_loss"]
if (volume > 0 and current_bar.low <= stop_loss) or (volume < 0 and current_bar.high >= stop_loss):
self.log(f"Stop Loss Hit at {stop_loss:.4f}")
self.close_position("CLOSE_LONG" if volume > 0 else "CLOSE_SHORT", abs(volume))
def close_position(self, direction: str, volume: int):
self.send_market_order(direction, volume, offset="CLOSE")
if self.symbol in self.position_meta:
del self.position_meta[self.symbol]
self.save_state(self.position_meta)
def send_market_order(self, direction: str, volume: int, offset: str, meta: Optional[Dict] = None):
if offset == "OPEN" and meta:
self.position_meta[self.symbol] = meta
order_id = f"{self.symbol}_{direction}_MARKET_{self.order_id_counter}"
self.order_id_counter += 1
order = Order(id=order_id, symbol=self.symbol, direction=direction, volume=volume,
price_type="MARKET", submitted_time=self.get_current_time(), offset=offset)
self.send_order(order)
def on_rollover(self, old_symbol: str, new_symbol: str):
super().on_rollover(old_symbol, new_symbol)
self.position_meta = {}
self.log("Rollover: Strategy state reset.")