def _add_position(
self, action, ticker,
quantity, price, commission
):
"""
Adds a new Position object to the Portfolio. This
requires getting the best bid/ask price from the
price handler in order to calculate a reasonable
"market value".
Once the Position is added, the Portfolio values
are updated.
"""
self._reset_values()
if ticker not in self.positions:
if self.price_handler.type == "TICK_HANDLER":
bid, ask = self.price_handler.get_best_bid_ask(ticker)
else:
close_price = self.price_handler.get_last_close(ticker)
bid = close_price
ask = close_price
position = Position(
action, ticker, quantity,
price, commission, bid, ask
)
self.positions[ticker] = position
self._update_portfolio()
else:
print(
"Ticker %s is already in the positions list. " \
"Could not add a new position." % ticker
)
def setUp(self):
"""
Set up the Position object that will store the PnL.
"""
self.position = Position("BOT", "XOM", Decimal('100'),
Decimal("74.78"), Decimal("1.00"),
Decimal('74.78'), Decimal('74.80'))
def add_position(self, action, ticker, quantity, price, commission):
self._reset_values()
if ticker not in self.positions:
bid, ask = self.price_handler.get_best_bid_ask(ticker)
position = Position(action, ticker, quantity, price, commission,
bid, ask)
self.positions[ticker] = position
self._update_portfolio()
def setUp(self):
self.position = Position("SLD", "PG", Decimal('100'), Decimal("77.69"),
Decimal("1.00"), Decimal('77.68'),
Decimal('77.70'))
