def is_valid_trading_day(trading_day: arrow.arrow.Arrow) -> bool:
"""Decides if a given trading day is valid and returns a boolean."""
trading_day_formatted = trading_day.format("YYYY-MM-DD")
is_valid = False
nyse = ec.get_calendar("NYSE")
nasdaq = ec.get_calendar("NASDAQ")
if nyse.is_session(trading_day_formatted) and nasdaq.is_session(
trading_day_formatted):
is_valid = True
return is_valid
def _is_forex_trading_time(self, now: arrow.arrow.Arrow) -> bool:
weekday = now.isoweekday()
date = now.format('YYYY-MM-DD')
if weekday <= 4:
return True
elif weekday == 5:
if now < arrow.get(f'{date} 22:00'):
return True
elif weekday == 6:
return False
elif weekday == 7:
if now >= arrow.get(f'{date} 21:00'):
return True
return False
def _is_A_shares_trading_time(self, now: arrow.arrow.Arrow) -> bool:
weekday = now.isoweekday()
date = now.format('YYYY-MM-DD')
if self.env.sys_frequency == 'D':
if weekday <= 5:
return True
else:
if weekday <= 5:
left_1 = arrow.get(f'{date} 09:30')
right_1 = arrow.get(f'{date} 11:30')
left_2 = arrow.get(f'{date} 13:00')
right_2 = arrow.get(f'{date} 15:00')
if left_1 < now < right_1 or left_2 < now < right_2:
return True
return False