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.
"""
if ticker not in self.positions:
if self.price_handler.istick():
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", 100, PriceParser.parse(74.78),
PriceParser.parse(1.00),
PriceParser.parse(74.78),
PriceParser.parse(74.80))
def setUp(self):
self.position = Position("SLD", "PG", 100, PriceParser.parse(77.69),
PriceParser.parse(1.00),
PriceParser.parse(77.68),
PriceParser.parse(77.70))
def setUp(self):
self.position = Position("BOT", "XOM", 100, PriceParser.parse(74.78),
PriceParser.parse(1.00),
PriceParser.parse(74.77),
PriceParser.parse(74.79))
