Exemplo n.º 1
0
	def save(self, *args, **kwargs):
		days_per_year = self.days_till_exp/ 365
		position = self.convert_position()
		option = BS(self.stock_price, self.strike_price, days_per_year,
				self.traded_price, self.interest_rate, str(self.option_type))
		self.iv = round(option.impvol, 5)
		self.delta = round(option.delta(), 5) * position * self.quantity
		self.gamma = round(option.gamma(), 5) * position * self.quantity
		self.vega = round(option.vega(), 5) * position * self.quantity
		self.theta = round(option.theta(), 5) * position * self.quantity
		self.rho = round(option.rho(), 5) * position * self.quantity
		super().save(*args, **kwargs)
Exemplo n.º 2
0
class Call(Option):
    Option_type = 'Call'

    def __init__(self,
                 quote,
                 d=date.today().day,
                 m=date.today().month,
                 y=date.today().year,
                 strike=None,
                 strict=False,
                 source='google'):

        quote = quote.upper()
        kw = {'d': d, 'm': m, 'y': y, 'strict': strict, 'source': source}
        super().__init__(quote, self.__class__.Option_type, **kw)

        self.T = (self._expiration - date.today()).days / 365
        self.q = self.underlying.dy
        self.ticker = quote
        self.strike = None
        self.strikes = tuple(
            parse(dic['strike']) for dic in self.data if dic.get('p') != '-')
        if strike:
            if strike in self.strikes:
                self.set_strike(strike)
            else:
                if strict:
                    raise LookupError(
                        'No options listed for given strike price.')
                else:
                    closest_strike = min(self.strikes,
                                         key=lambda x: abs(x - strike))
                    print('No option for given strike, using %s instead' %
                          closest_strike)
                    self.set_strike(closest_strike)

    def set_strike(self, val):
        """ Specifies a strike price """

        d = {}
        for dic in self.data:
            if parse(dic['strike']) == val and val in self.strikes:
                d = dic
                break
        if d:
            self._price = parse(d.get('p')) or d.get('lastPrice')
            self.id = d.get('cid')
            self.exchange = d.get('e')
            self._bid = parse(d.get('b')) or d.get('bid', 0)
            self._ask = parse(d.get('a')) or d.get('ask', 0)
            self.strike = parse(d['strike'])
            self._change = parse(d.get('c')) or d.get('change',
                                                      0)  # change in currency
            self._cp = parse(d.get('cp', 0)) or d.get('percentChange',
                                                      0)  # percentage change
            self._volume = parse(d.get('vol')) or d.get('volume', 0)
            self._open_interest = parse(d.get('oi')) or d.get(
                'openInterest', 0)
            self.code = d.get('s') or d.get('contractSymbol')
            self.itm = (
                (self.__class__.Option_type == 'Call'
                 and self.underlying.price > self.strike)
                or (self.__class__.Option_type == 'Put'
                    and self.underlying.price < self.strike))  # in the money
            self.BandS = BlackandScholes(self.underlying.price,
                                         self.strike, self.T, self._price,
                                         self.rate(self.T),
                                         self.__class__.Option_type, self.q)

        else:
            raise LookupError('No options listed for given strike price.')

    def __repr__(self):
        if self.strike:
            return self.__class__.Option_type + "(ticker=%s, expiration=%s, strike=%s)" % (
                self.ticker, self.expiration, self.strike)
        else:
            return self.__class__.Option_type + "(ticker=%s, expiration=%s)" % (
                self.ticker, self.expiration)

    def update(self):
        self.__init__(self.ticker,
                      self._expiration.day,
                      self._expiration.month,
                      self._expiration.year,
                      self.strike,
                      source=self.source)

    @property
    @strike_required
    def bid(self):
        return self._bid

    @property
    @strike_required
    def ask(self):
        return self._ask

    @property
    @strike_required
    def price(self):
        return self._price

    @property
    @strike_required
    def change(self):
        return self._change

    @property
    @strike_required
    def cp(self):
        return self._cp

    @property
    @strike_required
    def open_interest(self):
        return self._open_interest

    @property
    @strike_required
    def volume(self):
        return self._volume

    @strike_required
    def implied_volatility(self):
        return self.BandS.impvol

    @strike_required
    def delta(self):
        return self.BandS.delta()

    @strike_required
    def gamma(self):
        return self.BandS.gamma()

    @strike_required
    def vega(self):
        return self.BandS.vega()

    @strike_required
    def rho(self):
        return self.BandS.rho()

    @strike_required
    def theta(self):
        return self.BandS.theta()
Exemplo n.º 3
0
class Call(Option):
    Option_type = 'Call'

    def __init__(self, quote, d=date.today().day, m=date.today().month,
                 y=date.today().year, strike=None, strict=False):
        quote = quote.upper()
        kw = {'d': d, 'm': m, 'y': y, 'strict': strict}
        super().__init__(quote, **kw)

        if self.__class__.Option_type == 'Call':
            self.data = self.calls
        elif self.__class__.Option_type == 'Put':
            self.data = self.puts

        self.T = (self._expiration - date.today()).days/365
        self.q = 0
        self.ticker = quote
        self.strike = None
        self.strikes = tuple(parse(dic['strike']) for dic in self.data
                        if dic.get('p') != '-' )
        if strike:
            if strike in self.strikes:
                self.set_strike(strike)
            else:
                if strict:
                    raise LookupError('No options listed for given strike price.')
                else:
                    closest_strike = min(self.strikes, key=lambda x: abs(x - strike))
                    print('No option for given strike, using %s instead' % closest_strike)
                    self.set_strike(closest_strike)


    def set_strike(self, val):
        d = {}
        for dic in self.data:
            if parse(dic['strike']) == val and val in self.strikes:
                d = dic
                break
        if d:
            self._price = parse(d['p'])
            self.id = d['cid']
            self.exchange = d['e']
            self._bid = parse(d['b'])
            self._ask = parse(d['a'])
            self.strike = parse(d['strike'])
            self._change = parse(d.get('c', 0)) # change in currency
            self._cp = parse(d.get('cp', 0))  # percentage change
            self._volume = parse(d['vol'])
            self._open_interest = parse(d['oi'])
            self.code = d['s']
            self.ticker = self.code[:-15]
            self.BandS = BlackandScholes(
                    self.underlying.price,
                    self.strike,
                    self.T,
                    self._price,
                    rate(self.T),
                    self.__class__.Option_type,
                    self.q
                    )

        else:
            raise LookupError('No options listed for given strike price.')

    def __repr__(self):
        if self.strike:
            return self.__class__.Option_type + "(ticker=%s, expiration=%s, strike=%s)" % (self.ticker, self.expiration, self.strike)
        else:
            return self.__class__.Option_type + "(ticker=%s, expiration=%s)" % (self.ticker, self.expiration)

    def update(self):
        self.__init__(self.ticker, self._expiration.day,
                     self._expiration.month, self._expiration.year,
                     self.strike)

    @property
    @strike_required
    def bid(self):
        return self._bid

    @property
    @strike_required
    def ask(self):
        return self._ask

    @property
    @strike_required
    def price(self):
        return self._price

    @property
    @strike_required
    def change(self):
        return self._change

    @property
    @strike_required
    def cp(self):
        return self._cp

    @property
    @strike_required
    def open_interest(self):
        return self._open_interest

    @property
    @strike_required
    def volume(self):
        return self._volume

    @strike_required
    def implied_volatility(self):
        return self.BandS.impvol

    @strike_required
    def delta(self):
        return self.BandS.delta()

    @strike_required
    def gamma(self):
        return self.BandS.gamma()

    @strike_required
    def vega(self):
        return self.BandS.vega()

    @strike_required
    def rho(self):
        return self.BandS.rho()

    @strike_required
    def theta(self):
        return self.BandS.theta()
Exemplo n.º 4
0
class Call(Option):
    Option_type = "Call"

    def __init__(
        self,
        quote,
        d=date.today().day,
        m=date.today().month,
        y=date.today().year,
        strike=None,
        strict=False,
        source="google",
    ):

        quote = quote.upper()
        kw = {"d": d, "m": m, "y": y, "strict": strict, "source": source}
        super().__init__(quote, **kw)

        if self.__class__.Option_type == "Call":
            self.data = self.calls
        elif self.__class__.Option_type == "Put":
            self.data = self.puts

        self.T = (self._expiration - date.today()).days / 365
        self.q = 0
        self.ticker = quote
        self.strike = None
        self.strikes = tuple(parse(dic["strike"]) for dic in self.data if dic.get("p") != "-")
        if strike:
            if strike in self.strikes:
                self.set_strike(strike)
            else:
                if strict:
                    raise LookupError("No options listed for given strike price.")
                else:
                    closest_strike = min(self.strikes, key=lambda x: abs(x - strike))
                    print("No option for given strike, using %s instead" % closest_strike)
                    self.set_strike(closest_strike)

    def set_strike(self, val):
        """ Specifies a specific strike price of the option chain"""

        d = {}
        for dic in self.data:
            if parse(dic["strike"]) == val and val in self.strikes:
                d = dic
                break
        if d:
            self._price = parse(d.get("p")) or d.get("lastPrice")
            self.id = d.get("cid")
            self.exchange = d.get("e")
            self._bid = parse(d.get("b")) or d.get("bid", 0)
            self._ask = parse(d.get("a")) or d.get("ask", 0)
            self.strike = parse(d["strike"])
            self._change = parse(d.get("c")) or d.get("change", 0)  # change in currency
            self._cp = parse(d.get("cp", 0)) or d.get("percentChange", 0)  # percentage change
            self._volume = parse(d.get("vol")) or d.get("volume", 0)
            self._open_interest = parse(d.get("oi")) or d.get("openInterest", 0)
            self.code = d.get("s") or d.get("contractSymbol")
            self.itm = (self.__class__.Option_type == "Call" and self.underlying.price > self.strike) or (
                self.__class__.Option_type == "Put" and self.underlying.price < self.strike
            )  # in the money
            self.BandS = BlackandScholes(
                self.underlying.price,
                self.strike,
                self.T,
                self._price,
                rate(self.T),
                self.__class__.Option_type,
                self.q,
            )

        else:
            raise LookupError("No options listed for given strike price.")

    def __repr__(self):
        if self.strike:
            return self.__class__.Option_type + "(ticker=%s, expiration=%s, strike=%s)" % (
                self.ticker,
                self.expiration,
                self.strike,
            )
        else:
            return self.__class__.Option_type + "(ticker=%s, expiration=%s)" % (self.ticker, self.expiration)

    def update(self):
        self.__init__(
            self.ticker,
            self._expiration.day,
            self._expiration.month,
            self._expiration.year,
            self.strike,
            source=self.source,
        )

    @property
    @strike_required
    def bid(self):
        return self._bid

    @property
    @strike_required
    def ask(self):
        return self._ask

    @property
    @strike_required
    def price(self):
        return self._price

    @property
    @strike_required
    def change(self):
        return self._change

    @property
    @strike_required
    def cp(self):
        return self._cp

    @property
    @strike_required
    def open_interest(self):
        return self._open_interest

    @property
    @strike_required
    def volume(self):
        return self._volume

    @strike_required
    def implied_volatility(self):
        return self.BandS.impvol

    @strike_required
    def delta(self):
        return self.BandS.delta()

    @strike_required
    def gamma(self):
        return self.BandS.gamma()

    @strike_required
    def vega(self):
        return self.BandS.vega()

    @strike_required
    def rho(self):
        return self.BandS.rho()

    @strike_required
    def theta(self):
        return self.BandS.theta()