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big-qmt/py-client/strategy/trend/positions.py
2026-08-28 18:52:27 +08:00

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"""趋势策略持仓管理逻辑,对应 Go 版本的 ``logic/positions.go``。"""
from __future__ import annotations
import logging
from math import floor
from libs.calc import calc_buy_volume,calculate_min_profit_rate
from libs.grid_take_profit import GridState, GridTrailingTracker
from sdk import OP_BUY, OP_SELL
import config
from .order import PlaceOrderRequest
from .state import STATUS_ING, STATUS_NONE, STATUS_OK
from .runtime import Runtime
LEG_BASE = "base"
LEG_ADDED = "add"
# 止盈网格跟踪器延迟初始化,避免导入模块时账户配置尚未加载。
profit_tracker = None
# 分级补仓档位(百分比)
LOSS_TIERS = [-30, -50]
# 补仓反弹确认阈值(百分比)
LOSS_REBOUND_THRESHOLD = 0.5
def manage_positions(run:Runtime, ticks, positions, market_ok: bool,available:float) -> None:
"""执行持仓计算。"""
logging.info(f"持仓:{len(positions)} 支股票,开始处理")
global profit_tracker
profit_tracker = GridTrailingTracker(step=run.account_cfg.grid_step_pct)
for idx,pos in positions:
code = pos['stock_code']
avg_price = pos.get('avg_price', 0)
volume = pos.get('volume', 0)
can_use_volume = pos.get('can_use_volume', 0)
current_price = ticks.get(code, {}).get('lastPrice', 0)
strategy_name = pos.get('strategy_name', '')
market_value = pos.get('market_value',0)
profit = pos.get('profit_rate', 0)
# 排除指定股票
if code in config.account_config.excluded_codes:
continue
# 过滤无效仓位
if avg_price == 0 or can_use_volume == 0 or current_price == 0 or volume == 0:
continue
# 计算盈亏率(百分比)
pnl_ratio = (current_price - avg_price) / avg_price * 100 if avg_price != 0 else 0
pnl_ratio = round(pnl_ratio, 2)
# 计算最小利润率1倍
min_profit_rate_val = calculate_min_profit_rate(avg_price, 1)
# 盈利处理
is_closed, message = handle_profit(run,code,avg_price, pnl_ratio, min_profit_rate_val, can_use_volume, strategy_name)
if is_closed:
logging.info("profit", code, f"止盈执行 | {message}")
if message != "":
logging.info("profit", code, message)
# 补仓处理
if config.account_config.enable_loss_add_position and market_ok:
is_replenished, message = handle_loss(run,code,current_price,pnl_ratio,market_value,market_ok,available)
if is_replenished:
logging.info("loss", code, f"补仓执行 | {message}")
if message != "":
logging.info("loss", code, message)
# 盈利处理
def handle_profit(run:Runtime, code: str, pnl_rate: float,
min_profit_rate: float, vol: int) -> tuple[bool, str]:
"""
盈利处理 - 基于网格的止盈策略
Args:
code: 股票代码
open_price: 开仓价格
pnl_rate: 当前盈亏率(百分比)
min_profit_rate: 最小利润率阈值
vol: 可用股数
strategy_name: str
Returns:
tuple[bool, str]: (是否执行平仓, 操作说明)
"""
# 预检查:未达到最小利润率
if pnl_rate < min_profit_rate:
return False, ""
position_key = f"{run.account_cfg.account_id}:{code}"
observation = profit_tracker.observe(position_key, pnl_rate)
if observation.state == GridState.ARMED:
msg = f"首次达到{pnl_rate}%,设置峰值网格{observation.current_grid}"
return False, msg
if observation.state == GridState.RAISED:
return False, f"上涨至{pnl_rate}%,更新峰值网格{observation.current_grid}"
# 执行平仓
if observation.state == GridState.RETREAT:
order_id = run.orders.new_order_id(LEG_BASE)
request = PlaceOrderRequest(run.client, OP_SELL, code, vol, order_id)
result = run.orders.place(request)
if result :
success_msg = f"✓ 委托成功 | {vol}股 订单号:{result} 等待成交"
logging.info("profit", code, success_msg)
return True, success_msg
else:
fail_msg = f"止盈委托失败: {code}"
logging.error("profit", code, "✗ 止盈委托失败")
return False, fail_msg
def handle_loss(run:Runtime, code: str, current_price,pnl_rate,market_value: float,market_ok: bool, available: float) -> tuple[bool, str]:
"""满足条件时提交补仓委托,并返回扣减后的剩余预算。"""
state = run.state.get(code)
added_num = state.get('added_num',0)
# 预检查:未达到最低补仓阈值
if pnl_rate > LOSS_TIERS[added_num]:
return False, ""
# 强制条件
if current_price>200 or market_value>=60000:
return False, f"成本价{current_price}>200,仓位价值{market_value}>=60000, 不补仓"
# 1. 大盘必须允许开仓,且价格已从观察低点达到反弹阈值。
if not market_ok or not run.add_watch.triggered("补仓", code, current_price):
return False
# 2. 计算补仓数量和预计占用金额。
volume = calc_buy_volume(current_price, run.account_cfg.buy_value)
amount = current_price * volume
# 3. 检查预算。
if amount > available:
return False, f"f{code} f{amount} 仓位资金不够补仓"
# 是否已有未完成的买入委托
if run.orders.busy(run, code, "BUY"):
return False, f"{code}订单锁定中"
# 4. 生成补仓订单号并提交买入委托。
order_id = run.orders.new_order_id(LEG_ADDED)
request = PlaceOrderRequest(run.client, OP_BUY, code, volume, order_id)
result = run.orders.place(request)
if result :
state.added_num = +1
state.added_status = run.state.STATUS_ING
state.added_order_id = order_id
run.state.set(state)
run.state.save()
run.add_watch.forget(code)
return True,f"补仓委托成功: {code} {volume}手, 等待成交确认"
else:
return False,f"补仓失败: {code}"
def forget(run, code: str) -> None:
"""持仓退出后清理开仓、补仓观察记录和止盈峰值。"""
run.peak_grids.pop(f"{code}|{LEG_ADDED}", None)