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strat_dt_split.py
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#-*- coding:utf-8 -*-
#from base import *
from misc import *
import data_handler as dh
import copy
from strategy import *
class DTSplitTrader(Strategy):
def __init__(self, name, underliers, volumes,
agent = None,
trade_unit = [],
ratios = [],
lookbacks=[],
daily_close = False,
email_notify = None,
ma_win = 10,
open_period = [300, 1500, 2115],
min_rng = [0.00]):
Strategy.__init__(self, name, underliers, volumes, trade_unit, agent, email_notify)
self.lookbacks = lookbacks
numAssets = len(underliers)
self.ratios = [[0.5, 0.5]] * numAssets
if len(ratios) > 1:
self.ratios = ratios
elif len(ratios) == 1:
self.ratios = ratios * numAssets
if len(lookbacks) > 0:
self.lookbacks = lookbacks
else:
self.lookbacks = [0] * numAssets
self.cur_rng = [0.0] * numAssets
self.cur_ma = [0.0] * numAssets
self.tday_open = [0.0] * numAssets
self.open_period = open_period
self.open_idx = [0] * numAssets
self.tick_base = [0.0] * numAssets
self.order_type = OPT_LIMIT_ORDER
self.daily_close_buffer = 3
self.close_tday = [False] * numAssets
if len(daily_close) > 1:
self.close_tday = daily_close
elif len(daily_close) == 1:
self.close_tday = daily_close * numAssets
self.ma_win = ma_win
self.num_tick = 1
self.min_rng = [0.0] * numAssets
if len(min_rng) > 1:
self.min_rng = min_rng
elif len(min_rng) == 1:
self.min_rng = min_rng * numAssets
def initialize(self):
self.load_state()
for idx, underlier in enumerate(self.underliers):
inst = underlier[0]
self.tick_base[idx] = self.agent.instruments[inst].tick_base
min_id = self.agent.instruments[inst].last_tick_id/1000
min_id = int(min_id/100)*60 + min_id % 100 - self.daily_close_buffer
self.last_min_id[idx] = int(min_id/60)*100 + min_id % 60
ddf = self.agent.day_data[inst]
mdf = self.agent.min_data[inst][1]
last_date = ddf.index[-1]
self.open_idx[idx] = 0
if last_date < mdf.index[-1].date():
last_min = mdf['min_id'][-1]
pid = 0
for i in range(1, len(self.open_period)):
if self.open_period[i] >= last_min:
break
else:
pid = i
df = mdf[(mdf.index.date <= last_date)|(mdf['min_id'] < self.open_period[pid])]
post_df = mdf[(mdf.index.date > last_date) & (mdf['min_id'] >= self.open_period[pid])]
self.open_idx[idx] = pid
self.tday_open[idx] = post_df['open'][0]
else:
df = mdf
self.tday_open[idx] = mdf['close'][-1]
self.recalc_rng(idx, df)
self.save_state()
return
def recalc_rng(self, idx, df):
mdf = copy.copy(df)
inst = self.underliers[idx][0]
mdf.loc[:,'min_idx'] = pd.Series(0, index = mdf.index)
for i in range(1, len(self.open_period)-1):
mdf.loc[(mdf['min_id']>= self.open_period[i]) & (mdf['min_id']<self.open_period[i+1]), 'min_idx'] = i
mdf.loc[:, 'date_idx'] = mdf.index.date
ddf = mdf.groupby([mdf['date_idx'], mdf['min_idx']]).apply(dh.ohlcsum).reset_index().set_index('datetime')
win = self.lookbacks[idx]
if win > 0:
self.cur_rng[idx] = max(max(ddf.ix[-win:,'high'])- min(ddf.ix[-win:,'close']), max(ddf.ix[-win:,'close']) - min(ddf.ix[-win:,'low']))
elif win == 0:
self.cur_rng[idx] = max(max(ddf.ix[-2:,'high'])- min(ddf.ix[-2:,'close']), max(ddf.ix[-2:,'close']) - min(ddf.ix[-2:,'low']))
self.cur_rng[idx] = max(self.cur_rng[idx] * 0.5, ddf.ix[-1,'high']-ddf.ix[-1,'close'],ddf.ix[-1,'close']-ddf.ix[-1,'low'])
else:
self.cur_rng[idx] = max(ddf.ix[-1,'high']- ddf.ix[-1,'low'], abs(ddf.ix[-1,'close'] - ddf.ix[-2,'close']))
def save_local_variables(self, file_writer):
for idx, underlier in enumerate(self.underliers):
inst = underlier[0]
row = ['CurrRange', str(inst), self.cur_rng[idx]]
file_writer.writerow(row)
return
def load_local_variables(self, row):
if row[0] == 'CurrRange':
inst = str(row[1])
idx = self.under2idx[inst]
if idx >= 0:
self.cur_rng[idx] = float(row[2])
return
def register_bar_freq(self):
for idx, under in enumerate(self.underliers):
inst = under[0]
self.agent.inst2strat[inst][self.name].append(1)
#self.logger.debug("stat = %s register bar event for inst=%s freq = 1" % (self.name, inst, ))
def on_bar(self, idx, freq):
inst = self.underliers[idx][0]
min_id = self.agent.cur_min[inst]['min_id']
curr_min = self.agent.instruments[inst].last_update/1000
pid = self.open_idx[idx]
if pid < len(self.open_period)-1:
if (self.open_period[pid+1] > min_id) and (self.open_period[pid+1] <= curr_min):
self.recalc_rng(idx, self.agent.min_data[inst][1])
self.tday_open[idx] = self.agent.instruments[inst].price
self.logger.info("Note: the new split open is set to %s for inst=%s for stat = %s" % (self.tday_open[idx], inst, self.name, ))
def on_tick(self, idx, ctick):
if len(self.submitted_trades[idx]) > 0:
return
inst = self.underliers[idx][0]
if self.open_idx[idx] == 0:
self.tday_open[idx] = self.agent.cur_day[inst]['open']
if (self.tday_open[idx] <= 0.0) or (self.cur_rng[idx] <= 0) or (self.curr_prices[idx] <= 0.001):
self.logger.warning("warning: open price =0.0 or range = 0.0 or curr_price=0 for inst=%s for stat = %s" % (inst, self.name))
return
min_id = self.agent.tick_id/1000.0
num_pos = len(self.positions[idx])
buysell = 0
if num_pos > 1:
self.logger.warning('something wrong with position management - submitted trade is empty but trade position is more than 1')
return
elif num_pos == 1:
buysell = self.positions[idx][0].direction
tick_base = self.tick_base[idx]
t_open = self.tday_open[idx]
rng = max(self.cur_rng[idx] * self.ratios[idx][0], t_open * self.min_rng[idx])
buy_trig = t_open + rng
sell_trig = t_open - rng
if self.cur_ma[idx] > t_open:
buy_trig += self.ratios[idx][1] * rng
elif self.cur_ma[idx] < t_open:
sell_trig -= self.ratios[idx][1] * rng
if (min_id >= self.last_min_id[idx]):
if (buysell!=0) and (self.close_tday[idx]):
msg = 'DT to close position before EOD for inst = %s, direction=%s, volume=%s, current tick_id = %s' \
% (inst, buysell, self.trade_unit[idx], min_id)
self.close_tradepos(idx, self.positions[idx][0], self.curr_prices[idx] - buysell * self.num_tick * tick_base)
self.status_notifier(msg)
self.save_state()
return
if ((self.curr_prices[idx] >= buy_trig) and (buysell <=0)) or ((self.curr_prices[idx] <= sell_trig) and (buysell >=0)):
if buysell!=0:
msg = 'DT to close position for inst = %s, open= %s, buy_trig=%s, sell_trig=%s, curr_price= %s, direction=%s, volume=%s' \
% (inst, t_open, buy_trig, sell_trig, self.curr_prices[idx], buysell, self.trade_unit[idx])
self.close_tradepos(idx, self.positions[idx][0], self.curr_prices[idx] - buysell * self.num_tick * tick_base)
self.status_notifier(msg)
if self.trade_unit[idx] <= 0:
return
if (self.curr_prices[idx] >= buy_trig):
buysell = 1
else:
buysell = -1
msg = 'DT to open position for inst = %s, open= %s, buy_trig=%s, sell_trig=%s, curr_price= %s, direction=%s, volume=%s' \
% (inst, t_open, buy_trig, sell_trig, self.curr_prices[idx], buysell, self.trade_unit[idx])
self.open_tradepos(idx, buysell, self.curr_prices[idx] + buysell * self.num_tick * tick_base)
self.status_notifier(msg)
self.save_state()
return
def update_trade_unit(self):
pass