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bsim.py
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bsim.py
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#!/usr/bin/env python
from util import *
from regress import *
from loaddata import *
from calc import *
import opt
import gc
from collections import defaultdict
import argparse
def pnl_sum(group):
cum_pnl = ((np.exp(group['cum_log_ret_i_now' ] - group['cum_log_ret_i_then']) - 1) * group['position_then']).fillna(0).sum()
return cum_pnl
parser = argparse.ArgumentParser(description='G')
parser.add_argument("--start",action="store",dest="start",default=None)
parser.add_argument("--end",action="store",dest="end",default=None)
parser.add_argument("--fcast",action="store",dest="fcast",default=None)
parser.add_argument("--horizon",action="store",dest="horizon",default=3)
parser.add_argument("--mult",action="store",dest="mult",default=1.0)
parser.add_argument("--vwap",action="store",dest="vwap",default=False)
parser.add_argument("--maxiter",action="store",dest="maxiter",default=1500)
parser.add_argument("--kappa",action="store",dest="kappa",default=2.0e-8)
parser.add_argument("--slipnu",action="store",dest="slip_nu",default=.18)
parser.add_argument("--slipbeta",action="store",dest="slip_beta",default=.6)
parser.add_argument("--fast",action="store",dest="fast",default=False)
parser.add_argument("--exclude",action="store",dest="exclude",default=None)
parser.add_argument("--earnings",action="store",dest="earnings",default=None)
parser.add_argument("--locates",action="store",dest="locates",default=True)
parser.add_argument("--maxnot",action="store",dest="maxnot",default=200e6)
parser.add_argument("--maxdollars",action="store",dest="maxdollars",default=1e6)
parser.add_argument("--maxforecast",action="store",dest="maxforecast",default=0.0050)
parser.add_argument("--nonegutil",action="store",dest="nonegutil",default=True)
parser.add_argument("--daily",action="store",dest="daily",default=False)
args = parser.parse_args()
print args
mkdir_p("opt")
ALPHA_MULT = float(args.mult)
horizon = int(args.horizon)
start = args.start
end = args.end
factors = ALL_FACTORS
max_forecast = float(args.maxforecast)
max_adv = 0.02
max_dollars = float(args.maxdollars)
participation = 0.015
opt.min_iter = 50
opt.max_iter = int(args.maxiter)
opt.kappa = float(args.kappa) # 4.3e-7
opt.max_sumnot = float(args.maxnot)
opt.max_expnot = 0.04
opt.max_trdnot = 0.5
opt.slip_alpha = 1.0
opt.slip_delta = 0.25
opt.slip_beta = float(args.slip_beta) # 0.6
opt.slip_gamma = 0 # 0.3
opt.slip_nu = float(args.slip_nu) # 0.14
opt.execFee= 0.00015
opt.num_factors = len(factors)
cols = ['ticker', 'iclose', 'tradable_volume', 'close', 'bvwap_b', 'tradable_med_volume_21_y', 'mdvp_y', 'overnight_log_ret', 'date', 'log_ret', 'bvolume', 'capitalization', 'cum_log_ret', 'srisk_pct', 'dpvolume_med_21', 'volat_21_y', 'mkt_cap_y', 'cum_log_ret_y', 'open', 'close_y', 'indname1', 'barraResidRet', 'split', 'div', 'gdate', 'rating_mean_z']
cols.extend( BARRA_FACTORS )
#cols.extend( BARRA_INDS )
cols.extend( INDUSTRIES )
forecasts = list()
forecastargs = args.fcast.split(',')
for fcast in forecastargs:
fdir, name, mult, weight = fcast.split(":")
forecasts.append(name)
factor_df = load_factor_cache(dateparser.parse(start), dateparser.parse(end))
pnl_df = load_cache(dateparser.parse(start), dateparser.parse(end), cols)
#print pnl_df.xs(10027954, level=1)['indname1']
pnl_df = pnl_df.truncate(before=dateparser.parse(start), after=dateparser.parse(end))
pnl_df.index.names = ['iclose_ts', 'sid']
pnl_df['forecast'] = np.nan
pnl_df['forecast_abs'] = np.nan
for fcast in forecastargs:
print "Loading {}".format(fcast)
fdir, name, mult, weight = fcast.split(":")
mu_df = load_mus(fdir, name, start, end)
pnl_df = pd.merge(pnl_df, mu_df, how='left', left_index=True, right_index=True)
#daily_df = pnl_df.unstack().between_time('15:30', '15:30').stack()
daily_df = pnl_df.unstack().between_time('15:45', '15:45').stack()
daily_df = daily_df.dropna(subset=['date'])
daily_df = daily_df.reset_index().set_index(['date', 'sid'])
daily_df = create_z_score(daily_df, 'srisk_pct')
if args.locates is not None:
locates_df = load_locates(daily_df[['ticker']], dateparser.parse(start), dateparser.parse(end))
daily_df = pd.merge(daily_df, locates_df, how='left', left_index=True, right_index=True, suffixes=['', '_dead'])
daily_df = remove_dup_cols(daily_df)
locates_df = None
if args.earnings is not None:
earnings_df = load_earnings_dates(daily_df[['ticker']], dateparser.parse(start), dateparser.parse(end))
daily_df = pd.merge(daily_df, earnings_df, how='left', left_index=True, right_index=True, suffixes=['', '_dead'])
daily_df = remove_dup_cols(daily_df)
earnings_df = load_past_earnings_dates(daily_df[['ticker']], dateparser.parse(start), dateparser.parse(end))
daily_df = pd.merge(daily_df, earnings_df, how='left', left_index=True, right_index=True, suffixes=['', '_dead'])
daily_df = remove_dup_cols(daily_df)
earnings_df = None
#daily_df = transform_barra(daily_df)
pnl_df = pd.merge(pnl_df.reset_index(), daily_df.reset_index(), how='left', left_on=['date', 'sid'], right_on=['date', 'sid'], suffixes=['', '_dead'])
pnl_df = remove_dup_cols(pnl_df)
pnl_df.set_index(['iclose_ts', 'sid'], inplace=True)
# resid_df, factor_df = calc_factors(daily_df)
daily_df['residVol'] = horizon * (calc_resid_vol(pnl_df) / 100.0) / np.sqrt(252.0)
factor_df = calc_factor_vol(factor_df)
pnl_df = pd.merge(pnl_df.reset_index(), daily_df.reset_index(), how='left', left_on=['date', 'sid'], right_on=['date', 'sid'], suffixes=['', '_dead'])
pnl_df = remove_dup_cols(pnl_df)
pnl_df.set_index(['iclose_ts', 'sid'], inplace=True)
pnl_df['residVol'] = horizon * (pnl_df['srisk_pct'] / 100.0) / np.sqrt(252.0)
pnl_df['bvolume_d'] = pnl_df['bvolume'].groupby(level='sid').diff()
pnl_df.loc[ pnl_df['bvolume_d'] < 0, 'bvolume_d'] = pnl_df['bvolume']
pnl_df = push_data(pnl_df, 'bvolume_d')
pnl_df = push_data(pnl_df, 'bvwap_b')
#MIX FORECASTS
pnl_df[ 'forecast' ] = 0
for fcast in forecastargs:
fdir, name, mult, weight = fcast.split(":")
pnl_df[ name + '_adj' ] = pnl_df[ name ] * float(weight) * float(mult)
pnl_df[ 'forecast' ] += pnl_df[name + '_adj'].fillna(0)
pnl_df['forecast'] = (ALPHA_MULT * pnl_df['forecast']).clip(-max_forecast, max_forecast)
pnl_df['forecast_abs'] = np.abs(pnl_df['forecast'])
pnl_df['max_trade_shares'] = pnl_df[ 'bvolume_d_n' ] * participation
pnl_df['position'] = 0
pnl_df['traded'] = 0
pnl_df['target'] = 0
pnl_df['dutil'] = 0
pnl_df['dsrisk'] = 0
pnl_df['dfrisk'] = 0
pnl_df['dmu'] = 0
pnl_df['eslip'] = 0
pnl_df['cum_pnl'] = 0
pnl_df['max_notional'] = (pnl_df['tradable_med_volume_21_y'] * pnl_df['close_y'] * max_adv).clip(0, max_dollars)
pnl_df['min_notional'] = (-1 * pnl_df['tradable_med_volume_21_y'] * pnl_df['close_y'] * max_adv).clip(-max_dollars, 0)
if args.locates is not None:
pnl_df['borrow_notional'] = pnl_df['borrow_qty'] * pnl_df['iclose']
pnl_df['min_notional'] = pnl_df[ ['borrow_notional', 'min_notional'] ].max(axis=1)
pnl_df.ix[ pnl_df['fee_rate'] > 0, 'min_notional' ] = 0
last_pos = pd.DataFrame(pnl_df.reset_index()['sid'].unique(), columns=['sid'])
last_pos['shares_last'] = 0
last_pos.set_index(['sid'], inplace=True)
last_pos = last_pos.sort()
lastday = None
it = 0
groups = pnl_df.groupby(level='iclose_ts')
pnl_df = None
daily_df = None
new_pnl_df = None
gc.collect()
for name, date_group in groups:
dayname = name.strftime("%Y%m%d")
if (int(dayname) < int(start)) or (int(dayname) > int(end)): continue
hour = int(name.strftime("%H"))
minute = int(name.strftime("%M"))
if args.daily:
if hour < 15 or minute < 30: continue
if args.fast:
minutes = int(name.strftime("%M"))
if minutes != 30: continue
if hour >= 16: continue
print "Looking at {}".format(name)
monthname = name.strftime("%Y%m")
timename = name.strftime("%H%M%S")
weekdayname = name.weekday()
date_group = date_group[ (date_group['iclose'] > 0) & (date_group['bvolume_d'] > 0) & (date_group['mdvp_y'] > 0) ].sort()
if len(date_group) == 0:
print "No data for {}".format(name)
continue
date_group = pd.merge(date_group.reset_index(), last_pos.reset_index(), how='outer', left_on=['sid'], right_on=['sid'], suffixes=['', '_last'])
date_group['iclose_ts'] = name
date_group = date_group.dropna(subset=['sid'])
date_group.set_index(['iclose_ts', 'sid'], inplace=True)
if lastday is not None and lastday != dayname:
date_group['shares_last'] = date_group['shares_last'] * date_group['split']
date_group['position_last'] = (date_group['shares_last'] * date_group['iclose']).fillna(0)
date_group.ix[ date_group['iclose'].isnull() | date_group['mdvp_y'].isnull() | (date_group['mdvp_y'] == 0) | date_group['bvolume_d'].isnull() | (date_group['bvolume_d'] == 0) | date_group['residVol'].isnull(), 'max_notional' ] = 0
date_group.ix[ date_group['iclose'].isnull() | date_group['mdvp_y'].isnull() | (date_group['mdvp_y'] == 0) | date_group['bvolume_d'].isnull() | (date_group['bvolume_d'] == 0) | date_group['residVol'].isnull(), 'min_notional' ] = 0
# if args.exclude is not None:
# attr, val = args.exclude.split(":")
# val = float(val)
# date_group.ix[ date_group[attr] < val, 'forecast' ] = 0
# date_group.ix[ date_group[attr] < val, 'max_notional' ] = 0
# date_group.ix[ date_group[attr] < val, 'min_notional' ] = 0
date_group.ix[ (date_group['mkt_cap_y'] < 1.6e9) | (date_group['iclose'] > 500.0) | (date_group['indname1'] == "PHARMA") , 'forecast' ] = 0
date_group.ix[ (date_group['mkt_cap_y'] < 1.6e9) | (date_group['iclose'] > 500.0) | (date_group['indname1'] == "PHARMA"), 'max_notional' ] = 0
date_group.ix[ (date_group['mkt_cap_y'] < 1.6e9) | (date_group['iclose'] > 500.0) | (date_group['indname1'] == "PHARMA"), 'min_notional' ] = 0
if args.earnings is not None:
days = int(args.earnings)
date_group.ix[ date_group['daysToEarn'] == 3, 'residVol'] = date_group.ix[ date_group['daysToEarn'] == 3, 'residVol'] * 1.5
date_group.ix[ date_group['daysToEarn'] == 2, 'residVol'] = date_group.ix[ date_group['daysToEarn'] == 2, 'residVol'] * 2
date_group.ix[ date_group['daysToEarn'] == 1, 'residVol'] = date_group.ix[ date_group['daysToEarn'] == 1, 'residVol'] * 3
date_group.ix [ ( (date_group['daysToEarn'] <= days) | (date_group['daysFromEarn'] < days)) & (date_group['position_last'] >= 0), 'max_notional'] = date_group.ix [ ( (date_group['daysToEarn'] <= days) | (date_group['daysFromEarn'] < days)) & (date_group['position_last'] >= 0), 'position_last']
date_group.ix[ ( (date_group['daysToEarn'] <= days) | (date_group['daysFromEarn'] < days)) & (date_group['position_last'] >= 0), 'min_notional'] = 0
date_group.ix[ ( (date_group['daysToEarn'] <= days) | (date_group['daysFromEarn'] < days)) & (date_group['position_last'] <= 0), 'max_notional'] = 0
date_group.ix[ ( (date_group['daysToEarn'] <= days) | (date_group['daysFromEarn'] < days)) & (date_group['position_last'] <= 0), 'min_notional'] = date_group.ix [ ( (date_group['daysToEarn'] <= days) | (date_group['daysFromEarn'] < days)) & (date_group['position_last'] >= 0), 'position_last']
#OPTIMIZATION
opt.num_secs = len(date_group)
opt.init()
opt.sec_ind = date_group.reset_index().index.copy().values
opt.sec_ind_rev = date_group.reset_index()['sid'].copy().values
opt.g_positions = date_group['position_last'].copy().values
opt.g_lbound = date_group['min_notional'].fillna(0).values
opt.g_ubound = date_group['max_notional'].fillna(0).values
opt.g_mu = date_group['forecast'].copy().fillna(0).values
opt.g_rvar = date_group['residVol'].copy().fillna(0).values
opt.g_advp = date_group[ 'mdvp_y'].copy().fillna(0).values
opt.g_price = date_group['iclose'].copy().fillna(0).values
opt.g_advpt = (date_group['bvolume_d'] * date_group['iclose']).fillna(0).values
opt.g_vol = date_group['volat_21_y'].copy().fillna(0).values * horizon
opt.g_mktcap = date_group['mkt_cap_y'].copy().fillna(0).values
print date_group.xs(testid, level=1)[['forecast', 'min_notional', 'max_notional', 'position_last']]
find = 0
for factor in factors:
opt.g_factors[ find, opt.sec_ind ] = date_group[factor].fillna(0).values
find += 1
find1 = 0
for factor1 in factors:
find2 = 0
for factor2 in factors:
try:
factor_cov = factor_df[(factor1, factor2)].fillna(0).ix[pd.to_datetime(dayname)]
# factor1_sig = np.sqrt(factor_df[(factor1, factor1)].fillna(0).ix[pd.to_datetime(dayname)])
# factor2_sig = np.sqrt(factor_df[(factor2, factor2)].fillna(0).ix[pd.to_datetime(dayname)])
# print "Factor Correlation {}, {}: {}".format(factor1, factor2, factor_cov/(factor1_sig*factor2_sig))
except:
# print "No cov found for {} {}".format(factor1, factor2)
factor_cov = 0
opt.g_fcov[ find1, find2 ] = factor_cov * horizon
opt.g_fcov[ find2, find1 ] = factor_cov * horizon
find2 += 1
find1 += 1
try:
(target, dutil, eslip, dmu, dsrisk, dfrisk, costs, dutil2) = opt.optimize()
except:
date_group.to_csv("problem.csv")
raise
optresults_df = pd.DataFrame(index=date_group.index, columns=['target', 'dutil', 'eslip', 'dmu', 'dsrisk', 'dfrisk', 'costs', 'dutil2', 'traded'])
optresults_df['target'] = target
optresults_df['dutil'] = dutil
optresults_df['eslip'] = eslip
optresults_df['dmu'] = dmu
optresults_df['dsrisk'] = dsrisk
optresults_df['dfrisk'] = dfrisk
optresults_df['costs'] = costs
optresults_df['dutil2'] = dutil2
# pnl_df.ix[ date_group.index, 'target'] = optresults_df['target']
# pnl_df.ix[ date_group.index, 'eslip'] = optresults_df['eslip']
# pnl_df.ix[ date_group.index, 'dutil'] = optresults_df['dutil']
# pnl_df.ix[ date_group.index, 'dsrisk'] = optresults_df['dsrisk']
# pnl_df.ix[ date_group.index, 'dfrisk'] = optresults_df['dfrisk']
# pnl_df.ix[ date_group.index, 'dmu'] = optresults_df['dmu']
date_group['target'] = optresults_df['target']
date_group['dutil'] = optresults_df['dutil']
# tmp = pd.merge(last_pos.reset_index(), date_group['forecast'].reset_index(), how='inner', left_on=['sid'], right_on=['sid'])
# date_group['last_position'] = tmp.set_index(['iclose_ts', 'sid'])['position']
if args.nonegutil:
date_group.ix[ date_group['dutil'] <= 0, 'target'] = date_group.ix[ date_group['dutil'] <= 0, 'position_last']
date_group['max_move'] = date_group['position_last'] + date_group['max_trade_shares'] * date_group['iclose']
date_group['min_move'] = date_group['position_last'] - date_group['max_trade_shares'] * date_group['iclose']
date_group['position'] = date_group['target']
date_group['position'] = date_group[ ['position', 'max_move'] ].min(axis=1)
date_group['position'] = date_group[ ['position', 'min_move'] ].max(axis=1)
# df = date_group[ date_group['target'] > date_group['max_move']]
# print df[['max_move', 'min_move', 'target', 'position', 'max_trade_shares', 'position_last', 'bvolume_d_n']].head()
# print date_group.xs(10000108, level=1)[['max_move', 'min_move', 'target', 'position', 'max_trade_shares', 'position_last', 'bvolume_d_n']]
date_group['traded'] = date_group['position'] - date_group['position_last']
date_group['shares'] = date_group['position'] / date_group['iclose']
# pnl_df.ix[ date_group.index, 'traded'] = date_group['traded']
postmp = pd.merge(last_pos.reset_index(), date_group['shares'].reset_index(), how='outer', left_on=['sid'], right_on=['sid']).set_index('sid')
last_pos['shares_last'] = postmp['shares'].fillna(0)
postmp = None
# pnl_df.ix[ date_group.index, 'position'] = date_group['position']
optresults_df['forecast'] = date_group['forecast']
optresults_df['traded'] = date_group['traded']
optresults_df['shares'] = date_group['shares']
optresults_df['position'] = date_group['position']
optresults_df['iclose'] = date_group['iclose']
optresults_df = optresults_df.reset_index()
optresults_df['sid'] = optresults_df['sid'].astype(int)
optresults_df.set_index(['iclose_ts', 'sid'], inplace=True)
optresults_df.to_csv("./opt/opt." + "-".join(forecasts) + "." + dayname + "_" + timename + ".csv")
lastday = dayname
it += 1
# groups.remove(name)
date_group = None
gc.collect()
email("bsim done: " + args.fcast, "")
#pnl_df.to_csv("debug." + "-".join(forecasts) + "." + str(start) + "." + str(end) + ".csv")
#pnl_df.xs(testid, level=1).to_csv("debug.csv")