# -*- coding: utf-8 -*-
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#
# 除非遵守当前许可，否则不得使用本软件。
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from datetime import date
from decimal import Decimal
from rqalpha.model.trade import Trade
from rqalpha.const import POSITION_DIRECTION, SIDE, POSITION_EFFECT, DEFAULT_ACCOUNT_TYPE, INSTRUMENT_TYPE
from rqalpha.environment import Environment
from rqalpha.portfolio.position import Position, PositionProxy
from rqalpha.data.data_proxy import DataProxy
from rqalpha.utils import INST_TYPE_IN_STOCK_ACCOUNT, is_valid_price
from rqalpha.utils.logger import user_system_log
from rqalpha.utils.class_helper import deprecated_property, cached_property
from rqalpha.utils.i18n import gettext as _
def _int_to_date(d):
r, d = divmod(d, 100)
y, m = divmod(r, 100)
return date(year=y, month=m, day=d)
[文档]class StockPosition(Position):
__repr_properties__ = (
"order_book_id", "direction", "quantity", "market_value", "trading_pnl", "position_pnl", "last_price"
)
__instrument_types__ = INST_TYPE_IN_STOCK_ACCOUNT
dividend_reinvestment = False
cash_return_by_stock_delisted = True
t_plus_enabled = True
def __init__(self, order_book_id, direction, init_quantity=0, init_price=None):
super(StockPosition, self).__init__(order_book_id, direction, init_quantity, init_price)
self._dividend_receivable = None
self._pending_transform = None
self._non_closable = 0
@property
def dividend_receivable(self):
# type: () -> float
"""
应收分红
"""
if self._dividend_receivable:
return self._dividend_receivable[1]
return 0
@property
def equity(self):
# type: () -> float
""""""
return super(StockPosition, self).equity + self.dividend_receivable
@property
def closable(self):
# type: () -> int
order_quantity = sum(o.unfilled_quantity for o in self._open_orders if o.position_effect in (
POSITION_EFFECT.CLOSE, POSITION_EFFECT.CLOSE_TODAY, POSITION_EFFECT.EXERCISE
))
if self.t_plus_enabled:
return self._quantity - order_quantity - self._non_closable
return self._quantity - order_quantity
def set_state(self, state):
super(StockPosition, self).set_state(state)
self._dividend_receivable = state.get("dividend_receivable")
self._pending_transform = state.get("pending_transform")
self._non_closable = state.get("non_closable", 0)
def get_state(self):
state = super(StockPosition, self).get_state()
state.update({
"dividend_receivable": self._dividend_receivable,
"pending_transform": self._pending_transform,
"non_closable": self._non_closable
})
return state
def before_trading(self, trading_date):
# type: (date) -> float
delta_cash = super(StockPosition, self).before_trading(trading_date)
if self._quantity == 0 and not self._dividend_receivable:
return delta_cash
if self.direction != POSITION_DIRECTION.LONG:
raise RuntimeError("direction of stock position {} is not supposed to be short".format(self._order_book_id))
data_proxy = self._env.data_proxy
self._handle_dividend_book_closure(trading_date, data_proxy)
delta_cash += self._handle_dividend_payable(trading_date)
self._handle_split(trading_date, data_proxy)
return delta_cash
def apply_trade(self, trade):
# type: (Trade) -> float
# 返回总资金的变化量
delta_cash = super(StockPosition, self).apply_trade(trade)
if trade.position_effect == POSITION_EFFECT.OPEN and self._market_tplus >= 1:
self._non_closable += trade.last_quantity
return delta_cash
def settlement(self, trading_date):
# type: (date) -> float
super(StockPosition, self).settlement(trading_date)
if self._quantity == 0:
return 0
if self.direction != POSITION_DIRECTION.LONG:
raise RuntimeError("direction of stock position {} is not supposed to be short".format(self._order_book_id))
next_date = self._env.data_proxy.get_next_trading_date(trading_date)
instrument = self._env.data_proxy.instrument(self._order_book_id)
delta_cash = 0
if instrument.de_listed_at(next_date):
try:
transform_data = self._env.data_proxy.get_share_transformation(self._order_book_id)
except NotImplementedError:
pass
else:
if transform_data is not None:
successor, conversion_ratio = transform_data
self._env.portfolio.get_account(successor).apply_trade(Trade.__from_create__(
order_id=None,
price=self.avg_price / conversion_ratio,
amount=self._quantity * conversion_ratio,
side=SIDE.BUY,
position_effect=POSITION_EFFECT.OPEN,
order_book_id=successor
))
for direction in POSITION_DIRECTION:
successor_position = self._env.portfolio.get_position(successor, direction)
successor_position.update_last_price(self._last_price / conversion_ratio)
# 把购买 successor 消耗的 cash 补充回来
delta_cash = self.market_value
if self.cash_return_by_stock_delisted:
delta_cash = self.market_value
self._quantity = self._old_quantity = 0
return delta_cash
@cached_property
def _market_tplus(self):
return self._instrument.market_tplus
def _handle_dividend_book_closure(self, trading_date, data_proxy):
# type: (date, DataProxy) -> None
last_date = data_proxy.get_previous_trading_date(trading_date)
dividend = data_proxy.get_dividend_by_book_date(self._order_book_id, last_date)
if dividend is None:
return
dividend_per_share = sum(dividend['dividend_cash_before_tax'] / dividend['round_lot'])
if dividend_per_share != dividend_per_share:
raise RuntimeError("Dividend per share of {} is not supposed to be nan.".format(self._order_book_id))
self._avg_price -= dividend_per_share
# 前一天结算发生了除息, 此时 last_price 还是前一个交易日的收盘价，需要改为 除息后收盘价, 否则影响在before_trading中查看盈亏
self._last_price -= dividend_per_share
try:
payable_date = _int_to_date(dividend["payable_date"][0])
except ValueError:
payable_date = _int_to_date(dividend["ex_dividend_date"][0])
self._dividend_receivable = (payable_date, self._quantity * dividend_per_share)
def _handle_dividend_payable(self, trading_date):
# type: (date) -> float
# 返回总资金的变化量
if not self._dividend_receivable:
return 0
payable_date, dividend_value = self._dividend_receivable
if payable_date != trading_date:
return 0
self._dividend_receivable = None
if self.dividend_reinvestment:
last_price = self.last_price
amount = int(Decimal(dividend_value) / Decimal(last_price))
round_lot = self._instrument.round_lot
amount = int(Decimal(amount) / Decimal(round_lot)) * round_lot
if amount > 0:
self.apply_trade(Trade.__from_create__(
None, last_price, amount, SIDE.BUY, POSITION_EFFECT.OPEN, self._order_book_id
))
return dividend_value - amount * last_price
else:
return dividend_value
def _handle_split(self, trading_date, data_proxy):
ratio = data_proxy.get_split_by_ex_date(self._order_book_id, trading_date)
if ratio is None:
return
self._avg_price /= ratio
self._last_price /= ratio
ratio = Decimal(ratio)
# int(6000 * 1.15) -> 6899
self._old_quantity = self._quantity = int(Decimal(self._quantity) * ratio)
self._logical_old_quantity = int(Decimal(self._logical_old_quantity) * ratio)
[文档]class FuturePosition(Position):
__repr_properties__ = (
"order_book_id", "direction", "old_quantity", "quantity", "margin", "market_value", "trading_pnl",
"position_pnl", "last_price"
)
__instrument_types__ = [INSTRUMENT_TYPE.FUTURE]
old_quantity = property(lambda self: self._old_quantity)
today_quantity = property(lambda self: self._quantity - self._old_quantity)
@cached_property
def contract_multiplier(self):
return self._instrument.contract_multiplier
@cached_property
def margin_rate(self):
return self._instrument.margin_rate * self._env.config.base.margin_multiplier
@property
def equity(self):
# type: () -> float
""""""
return self._quantity * (self.last_price - self._avg_price) * self.contract_multiplier * self._direction_factor
@property
def margin(self) -> float:
"""
保证金 = 持仓量 * 最新价 * 合约乘数 * 保证金率
"""
return self.margin_rate * self.market_value
@property
def market_value(self):
# type: () -> float
return self.contract_multiplier * super(FuturePosition, self).market_value
@property
def trading_pnl(self):
# type: () -> float
return self.contract_multiplier * super(FuturePosition, self).trading_pnl
@property
def position_pnl(self):
# type: () -> float
return self.contract_multiplier * super(FuturePosition, self).position_pnl
@property
def pnl(self):
# type: () -> float
return super(FuturePosition, self).pnl * self.contract_multiplier
def calc_close_today_amount(self, trade_amount, position_effect):
if position_effect == POSITION_EFFECT.CLOSE_TODAY:
return trade_amount if trade_amount <= self.today_quantity else self.today_quantity
else:
return max(trade_amount - self._old_quantity, 0)
def apply_trade(self, trade):
if trade.position_effect == POSITION_EFFECT.CLOSE_TODAY:
self._transaction_cost += trade.transaction_cost
self._quantity -= trade.last_quantity
self._trade_cost -= trade.last_price * trade.last_quantity
else:
super(FuturePosition, self).apply_trade(trade)
if trade.position_effect == POSITION_EFFECT.OPEN:
return -1 * trade.transaction_cost
else:
return -1 * trade.transaction_cost + (
trade.last_price - self._avg_price
) * trade.last_quantity * self.contract_multiplier * self._direction_factor
@property
def prev_close(self):
if not is_valid_price(self._prev_close):
if self._env.config.mod.sys_accounts.futures_settlement_price_type == "settlement":
self._prev_close = self._env.data_proxy.get_prev_settlement(self._order_book_id, self._env.trading_dt)
else:
self._prev_close = super().prev_close
return self._prev_close
def settlement(self, trading_date):
# type: (date) -> float
delta_cash = super(FuturePosition, self).settlement(trading_date)
if self._quantity == 0:
return delta_cash
data_proxy = self._env.data_proxy
instrument = data_proxy.instrument(self._order_book_id)
next_date = data_proxy.get_next_trading_date(trading_date)
if self._env.config.mod.sys_accounts.futures_settlement_price_type == "settlement":
# 逐日盯市按照结算价结算
self._last_price = self._env.data_proxy.get_settle_price(self._order_book_id, self._env.trading_dt)
delta_cash += self.equity
self._avg_price = self.last_price
if instrument.de_listed_at(next_date):
user_system_log.warn(_(u"{order_book_id} is expired, close all positions by system").format(
order_book_id=self._order_book_id
))
self._quantity = self._old_quantity = 0
return delta_cash
class StockPositionProxy(PositionProxy):
__repr_properties__ = (
"order_book_id", "quantity", "avg_price", "market_value"
)
__instrument_types__ = INST_TYPE_IN_STOCK_ACCOUNT
@property
def type(self):
return "STOCK"
@property
def quantity(self):
return self._long.quantity
@property
def sellable(self):
"""
[int] 该仓位可卖出股数。T＋1 的市场中sellable = 所有持仓 - 今日买入的仓位 - 已冻结
"""
return self._long.closable
@property
def avg_price(self):
"""
[float] 平均开仓价格
"""
return self._long.avg_price
@property
def value_percent(self):
"""
[float] 获得该持仓的实时市场价值在股票投资组合价值中所占比例，取值范围[0, 1]
"""
accounts = Environment.get_instance().portfolio.accounts
if DEFAULT_ACCOUNT_TYPE.STOCK not in accounts:
return 0
total_value = accounts[DEFAULT_ACCOUNT_TYPE.STOCK].total_value
return 0 if total_value == 0 else self.market_value / total_value
class FuturePositionProxy(PositionProxy):
__repr_properties__ = (
"order_book_id", "buy_quantity", "sell_quantity", "buy_market_value", "sell_market_value",
"buy_margin", "sell_margin"
)
__instrument_types__ = [INSTRUMENT_TYPE.FUTURE]
@property
def type(self):
return "FUTURE"
@property
def margin_rate(self):
return self._long.margin_rate
@property
def contract_multiplier(self):
return self._long.contract_multiplier
@property
def buy_market_value(self):
"""
[float] 多方向市值
"""
return self._long.market_value
@property
def sell_market_value(self):
"""
[float] 空方向市值
"""
return self._short.market_value
@property
def buy_position_pnl(self):
"""
[float] 多方向昨仓盈亏
"""
return self._long.position_pnl
@property
def sell_position_pnl(self):
"""
[float] 空方向昨仓盈亏
"""
return self._short.position_pnl
@property
def buy_trading_pnl(self):
"""
[float] 多方向交易盈亏
"""
return self._long.trading_pnl
@property
def sell_trading_pnl(self):
"""
[float] 空方向交易盈亏
"""
return self._short.trading_pnl
@property
def buy_daily_pnl(self):
"""
[float] 多方向每日盈亏
"""
return self.buy_position_pnl + self.buy_trading_pnl
@property
def sell_daily_pnl(self):
"""
[float] 空方向每日盈亏
"""
return self.sell_position_pnl + self.sell_trading_pnl
@property
def buy_pnl(self):
"""
[float] 买方向累计盈亏
"""
return self._long.pnl
@property
def sell_pnl(self):
"""
[float] 空方向累计盈亏
"""
return self._short.pnl
@property
def buy_old_quantity(self):
"""
[int] 多方向昨仓
"""
return self._long.old_quantity
@property
def sell_old_quantity(self):
"""
[int] 空方向昨仓
"""
return self._short.old_quantity
@property
def buy_today_quantity(self):
"""
[int] 多方向今仓
"""
return self._long.today_quantity
@property
def sell_today_quantity(self):
"""
[int] 空方向今仓
"""
return self._short.today_quantity
@property
def buy_quantity(self):
"""
[int] 多方向持仓
"""
return self.buy_old_quantity + self.buy_today_quantity
@property
def sell_quantity(self):
"""
[int] 空方向持仓
"""
return self.sell_old_quantity + self.sell_today_quantity
@property
def margin(self):
"""
[float] 保证金
保证金 = 持仓量 * 最新价 * 合约乘数 * 保证金率
股票保证金 = 市值 = 持仓量 * 最新价
"""
return self._long.margin + self._short.margin
@property
def buy_margin(self):
"""
[float] 多方向持仓保证金
"""
return self._long.margin
@property
def sell_margin(self):
"""
[float] 空方向持仓保证金
"""
return self._short.margin
@property
def buy_avg_open_price(self):
"""
[float] 多方向平均开仓价格
"""
return self._long.avg_price
@property
def sell_avg_open_price(self):
"""
[float] 空方向平均开仓价格
"""
return self._short.avg_price
@property
def buy_transaction_cost(self):
"""
[float] 多方向交易费率
"""
return self._long.transaction_cost
@property
def sell_transaction_cost(self):
"""
[float] 空方向交易费率
"""
return self._short.transaction_cost
@property
def closable_today_sell_quantity(self):
return self._long.today_closable
@property
def closable_today_buy_quantity(self):
return self._long.today_closable
@property
def closable_buy_quantity(self):
"""
[float] 可平多方向持仓
"""
return self._long.closable
@property
def closable_sell_quantity(self):
"""
[float] 可平空方向持仓
"""
return self._short.closable
holding_pnl = deprecated_property("holding_pnl", "position_pnl")
buy_holding_pnl = deprecated_property("buy_holding_pnl", "buy_position_pnl")
sell_holding_pnl = deprecated_property("sell_holding_pnl", "sell_position_pnl")
realized_pnl = deprecated_property("realized_pnl", "trading_pnl")
buy_realized_pnl = deprecated_property("buy_realized_pnl", "buy_trading_pnl")
sell_realized_pnl = deprecated_property("sell_realized_pnl", "sell_trading_pnl")
buy_avg_holding_price = deprecated_property("buy_avg_holding_price", "buy_avg_open_price")
sell_avg_holding_price = deprecated_property("sell_avg_holding_price", "sell_avg_open_price")