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Add straddle option order #179

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Add straddle option order #179

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97 changes: 97 additions & 0 deletions schwab/orders/options.py
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -463,3 +463,100 @@ def bear_put_vertical_close(
OptionInstruction.BUY_TO_CLOSE, short_put_symbol, quantity)
.add_option_leg(
OptionInstruction.SELL_TO_CLOSE, long_put_symbol, quantity))

def short_straddle_open(
short_call_symbol, short_put_symbol, quantity, net_credit):
'''
Returns a pre-filled :class:`~schwab.orders.generic.OrderBuilder` that opens a
short straddle.
'''
from schwab.orders.common import OptionInstruction, OrderType, OrderStrategyType
from schwab.orders.common import ComplexOrderStrategyType
call_strike = OptionSymbol.parse_symbol(short_call_symbol).strike_price
put_strike = OptionSymbol.parse_symbol(short_put_symbol).strike_price
if call_strike != put_strike:
raise ValueError(
f'Short straddle strikes must be the same. Call: {call_strike} Put: {put_strike}')

return (__base_builder()
.set_order_type(OrderType.NET_CREDIT)
.set_complex_order_strategy_type(ComplexOrderStrategyType.STRADDLE)
.set_price(net_credit)
.set_quantity(quantity)
.set_order_strategy_type(OrderStrategyType.SINGLE)
.add_option_leg(
OptionInstruction.SELL_TO_OPEN, short_call_symbol, quantity)
.add_option_leg(
OptionInstruction.SELL_TO_OPEN, short_put_symbol, quantity))

def short_straddle_close(
short_call_symbol, short_put_symbol, quantity, net_debit):
'''
Returns a pre-filled :class:`~schwab.orders.generic.OrderBuilder` that closes a
short straddle.
'''
from schwab.orders.common import OptionInstruction, OrderType, OrderStrategyType
from schwab.orders.common import ComplexOrderStrategyType
call_strike = OptionSymbol.parse_symbol(short_call_symbol).strike_price
put_strike = OptionSymbol.parse_symbol(short_put_symbol).strike_price
if call_strike != put_strike:
raise ValueError(
f'Short straddle strikes must be the same. Call: {call_strike} Put: {put_strike}')
return (__base_builder()
.set_order_type(OrderType.NET_DEBIT)
.set_complex_order_strategy_type(ComplexOrderStrategyType.STRADDLE)
.set_price(net_debit)
.set_quantity(quantity)
.set_order_strategy_type(OrderStrategyType.SINGLE)
.add_option_leg(
OptionInstruction.BUY_TO_CLOSE, short_call_symbol, quantity)
.add_option_leg(
OptionInstruction.BUY_TO_CLOSE, short_put_symbol, quantity))

def long_straddle_open(
long_call_symbol, long_put_symbol, quantity, net_debit):
'''
Returns a pre-filled :class:`~schwab.orders.generic.OrderBuilder` that opens a
long straddle.
'''
call_strike = OptionSymbol.parse_symbol(long_call_symbol).strike_price
put_strike = OptionSymbol.parse_symbol(long_put_symbol).strike_price
if call_strike != put_strike:
raise ValueError(
f'Long straddle strikes must be the same. Call: {call_strike} Put: {put_strike}')
from schwab.orders.common import OptionInstruction, OrderType, OrderStrategyType
from schwab.orders.common import ComplexOrderStrategyType
return (__base_builder()
.set_order_type(OrderType.NET_DEBIT)
.set_complex_order_strategy_type(ComplexOrderStrategyType.STRADDLE)
.set_price(net_debit)
.set_quantity(quantity)
.set_order_strategy_type(OrderStrategyType.SINGLE)
.add_option_leg(
OptionInstruction.BUY_TO_OPEN, long_call_symbol, quantity)
.add_option_leg(
OptionInstruction.BUY_TO_OPEN, long_put_symbol, quantity))

def long_straddle_close(
long_call_symbol, long_put_symbol, quantity, net_credit):
'''
Returns a pre-filled :class:`~schwab.orders.generic.OrderBuilder` that closes a
long straddle.
'''
call_strike = OptionSymbol.parse_symbol(long_call_symbol).strike_price
put_strike = OptionSymbol.parse_symbol(long_put_symbol).strike_price
if call_strike != put_strike:
raise ValueError(
f'Long straddle strikes must be the same. Call: {call_strike} Put: {put_strike}')
from schwab.orders.common import OptionInstruction, OrderType, OrderStrategyType
from schwab.orders.common import ComplexOrderStrategyType
return (__base_builder()
.set_order_type(OrderType.NET_CREDIT)
.set_complex_order_strategy_type(ComplexOrderStrategyType.STRADDLE)
.set_price(net_credit)
.set_quantity(quantity)
.set_order_strategy_type(OrderStrategyType.SINGLE)
.add_option_leg(
OptionInstruction.SELL_TO_CLOSE, long_call_symbol, quantity)
.add_option_leg(
OptionInstruction.SELL_TO_CLOSE, long_put_symbol, quantity))
120 changes: 120 additions & 0 deletions tests/orders/options_test.py
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -514,3 +514,123 @@ def test_bear_put_vertical_close(self):
3, 30.6).build()))


@no_duplicates
def test_short_straddle_open(self):
self.assertFalse(has_diff({
'orderType': 'NET_CREDIT',
'session': 'NORMAL',
'duration': 'DAY',
'orderStrategyType': 'SINGLE',
'price': '30.60',
'complexOrderStrategyType': 'STRADDLE',
'quantity': 3,
'orderLegCollection': [{
'instruction': 'SELL_TO_OPEN',
'quantity': 3,
'instrument': {
'symbol': 'GOOG_012122C2200',
'assetType': 'OPTION',
}
}, {
'instruction': 'SELL_TO_OPEN',
'quantity': 3,
'instrument': {
'symbol': 'GOOG_012122P2200',
'assetType': 'OPTION',
}
}]
}, short_straddle_open(
'GOOG_012122C2200',
'GOOG_012122P2200',
3, 30.6).build()))


@no_duplicates
def test_short_straddle_close(self):
self.assertFalse(has_diff({
'orderType': 'NET_DEBIT',
'session': 'NORMAL',
'duration': 'DAY',
'orderStrategyType': 'SINGLE',
'price': '30.60',
'complexOrderStrategyType': 'STRADDLE',
'quantity': 3,
'orderLegCollection': [{
'instruction': 'BUY_TO_CLOSE',
'quantity': 3,
'instrument': {
'symbol': 'GOOG_012122C2200',
'assetType': 'OPTION',
}
}, {
'instruction': 'BUY_TO_CLOSE',
'quantity': 3,
'instrument': {
'symbol': 'GOOG_012122P2200',
'assetType': 'OPTION',
}
}]
}, short_straddle_close(
'GOOG_012122C2200',
'GOOG_012122P2200',
3, 30.6).build()))

@no_duplicates
def test_long_straddle_open(self):
self.assertFalse(has_diff({
'orderType': 'NET_DEBIT',
'session': 'NORMAL',
'duration': 'DAY',
'orderStrategyType': 'SINGLE',
'price': '30.60',
'complexOrderStrategyType': 'STRADDLE',
'quantity': 3,
'orderLegCollection': [{
'instruction': 'BUY_TO_OPEN',
'quantity': 3,
'instrument': {
'symbol': 'GOOG_012122C2200',
'assetType': 'OPTION',
}
}, {
'instruction': 'BUY_TO_OPEN',
'quantity': 3,
'instrument': {
'symbol': 'GOOG_012122P2200',
'assetType': 'OPTION',
}
}]
}, long_straddle_open(
'GOOG_012122C2200',
'GOOG_012122P2200',
3, 30.6).build()))

@no_duplicates
def test_long_straddle_close(self):
self.assertFalse(has_diff({
'orderType': 'NET_CREDIT',
'session': 'NORMAL',
'duration': 'DAY',
'orderStrategyType': 'SINGLE',
'price': '30.60',
'complexOrderStrategyType': 'STRADDLE',
'quantity': 3,
'orderLegCollection': [{
'instruction': 'SELL_TO_CLOSE',
'quantity': 3,
'instrument': {
'symbol': 'GOOG_012122C2200',
'assetType': 'OPTION',
}
}, {
'instruction': 'SELL_TO_CLOSE',
'quantity': 3,
'instrument': {
'symbol': 'GOOG_012122P2200',
'assetType': 'OPTION',
}
}]
}, long_straddle_close(
'GOOG_012122C2200',
'GOOG_012122P2200',
3, 30.6).build()))