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Merge pull request #1931 from freqtrade/fix/trailing_stoploss_offset 

Fix/trailing stoploss offset
This commit is contained in:
Misagh 2019-06-14 14:32:32 +02:00 committed by GitHub
parent 0d8b572a17 550fbad53e
commit 24f86e9ff3
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 89 additions and 6 deletions
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8
freqtrade/strategy/interface.py
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@ -308,14 +308,16 @@ class IStrategy(ABC):
if trailing_stop:
# trailing stoploss handling
sl_offset = self.config.get('trailing_stop_positive_offset') or 0.0
tsl_only_offset = self.config.get('trailing_only_offset_is_reached', False)
# Make sure current_profit is calculated using high for backtesting.
high_profit = current_profit if not high else trade.calc_profit_percent(high)
# Don't update stoploss if trailing_only_offset_is_reached is true.
if not (tsl_only_offset and current_profit < sl_offset):
if not (tsl_only_offset and high_profit < sl_offset):
# Specific handling for trailing_stop_positive
if 'trailing_stop_positive' in self.config and current_profit > sl_offset:
if 'trailing_stop_positive' in self.config and high_profit > sl_offset:
# Ignore mypy error check in configuration that this is a float
stop_loss_value = self.config.get('trailing_stop_positive') # type: ignore
logger.debug(f"using positive stop loss: {stop_loss_value} "

4
freqtrade/tests/optimize/__init__.py
View File

@ -29,6 +29,10 @@ class BTContainer(NamedTuple):
trades: List[BTrade]
profit_perc: float
trailing_stop: bool = False
trailing_only_offset_is_reached: bool = False
trailing_stop_positive: float = None
trailing_stop_positive_offset: float = 0.0
use_sell_signal: bool = False
def _get_frame_time_from_offset(offset):

79
freqtrade/tests/optimize/test_backtest_detail.py
View File

@ -14,6 +14,21 @@ from freqtrade.tests.optimize import (BTContainer, BTrade,
_get_frame_time_from_offset,
tests_ticker_interval)
# Test 0 Sell signal sell
# Test with Stop-loss at 1%
# TC0: Sell signal in candle 3
tc0 = BTContainer(data=[
# D O H L C V B S
[0, 5000, 5025, 4975, 4987, 6172, 1, 0],
[1, 5000, 5025, 4975, 4987, 6172, 0, 0], # enter trade (signal on last candle)
[2, 4987, 5012, 4986, 4600, 6172, 0, 0], # exit with stoploss hit
[3, 5010, 5000, 4980, 5010, 6172, 0, 1],
[4, 5010, 4987, 4977, 4995, 6172, 0, 0],
[5, 4995, 4995, 4995, 4950, 6172, 0, 0]],
stop_loss=-0.01, roi=1, profit_perc=0.002, use_sell_signal=True,
trades=[BTrade(sell_reason=SellType.SELL_SIGNAL, open_tick=1, close_tick=4)]
)
# Test 1 Minus 8% Close
# Test with Stop-loss at 1%
# TC1: Stop-Loss Triggered 1% loss
@ -146,7 +161,7 @@ tc8 = BTContainer(data=[
# Test 9 - trailing_stop should raise - high and low in same candle.
# Candle Data for test 9
# Set stop-loss at 10%, ROI at 10% (should not apply)
# TC9: Trailing stoploss - stoploss should be adjusted candle 2
# TC9: Trailing stoploss - stoploss should be adjusted candle 3
tc9 = BTContainer(data=[
# D O H L C V B S
[0, 5000, 5050, 4950, 5000, 6172, 1, 0],
@ -158,7 +173,59 @@ tc9 = BTContainer(data=[
trades=[BTrade(sell_reason=SellType.TRAILING_STOP_LOSS, open_tick=1, close_tick=3)]
)
# Test 10 - trailing_stop should raise so candle 3 causes a stoploss
# without applying trailing_stop_positive since stoploss_offset is at 10%.
# Set stop-loss at 10%, ROI at 10% (should not apply)
# TC10: Trailing stoploss - stoploss should be adjusted candle 2
tc10 = BTContainer(data=[
# D O H L C V B S
[0, 5000, 5050, 4950, 5000, 6172, 1, 0],
[1, 5000, 5050, 4950, 5100, 6172, 0, 0],
[2, 5100, 5251, 5100, 5100, 6172, 0, 0],
[3, 4850, 5050, 4650, 4750, 6172, 0, 0],
[4, 4750, 4950, 4350, 4750, 6172, 0, 0]],
stop_loss=-0.10, roi=0.10, profit_perc=-0.1, trailing_stop=True,
trailing_only_offset_is_reached=True, trailing_stop_positive_offset=0.10,
trailing_stop_positive=0.03,
trades=[BTrade(sell_reason=SellType.STOP_LOSS, open_tick=1, close_tick=4)]
)
# Test 11 - trailing_stop should raise so candle 3 causes a stoploss
# applying a positive trailing stop of 3% since stop_positive_offset is reached.
# Set stop-loss at 10%, ROI at 10% (should not apply)
# TC11: Trailing stoploss - stoploss should be adjusted candle 2,
tc11 = BTContainer(data=[
# D O H L C V B S
[0, 5000, 5050, 4950, 5000, 6172, 1, 0],
[1, 5000, 5050, 4950, 5100, 6172, 0, 0],
[2, 5100, 5251, 5100, 5100, 6172, 0, 0],
[3, 4850, 5050, 4650, 4750, 6172, 0, 0],
[4, 4750, 4950, 4350, 4750, 6172, 0, 0]],
stop_loss=-0.10, roi=0.10, profit_perc=0.019, trailing_stop=True,
trailing_only_offset_is_reached=True, trailing_stop_positive_offset=0.05,
trailing_stop_positive=0.03,
trades=[BTrade(sell_reason=SellType.TRAILING_STOP_LOSS, open_tick=1, close_tick=3)]
)
# Test 12 - trailing_stop should raise in candle 2 and cause a stoploss in the same candle
# applying a positive trailing stop of 3% since stop_positive_offset is reached.
# Set stop-loss at 10%, ROI at 10% (should not apply)
# TC12: Trailing stoploss - stoploss should be adjusted candle 2,
tc12 = BTContainer(data=[
# D O H L C V B S
[0, 5000, 5050, 4950, 5000, 6172, 1, 0],
[1, 5000, 5050, 4950, 5100, 6172, 0, 0],
[2, 5100, 5251, 4650, 5100, 6172, 0, 0],
[3, 4850, 5050, 4650, 4750, 6172, 0, 0],
[4, 4750, 4950, 4350, 4750, 6172, 0, 0]],
stop_loss=-0.10, roi=0.10, profit_perc=0.019, trailing_stop=True,
trailing_only_offset_is_reached=True, trailing_stop_positive_offset=0.05,
trailing_stop_positive=0.03,
trades=[BTrade(sell_reason=SellType.TRAILING_STOP_LOSS, open_tick=1, close_tick=2)]
)
TESTS = [
tc0,
tc1,
tc2,
tc3,
@ -168,6 +235,9 @@ TESTS = [
tc7,
tc8,
tc9,
tc10,
tc11,
tc12,
]
@ -180,6 +250,13 @@ def test_backtest_results(default_conf, fee, mocker, caplog, data) -> None:
default_conf["minimal_roi"] = {"0": data.roi}
default_conf["ticker_interval"] = tests_ticker_interval
default_conf["trailing_stop"] = data.trailing_stop
default_conf["trailing_only_offset_is_reached"] = data.trailing_only_offset_is_reached
# Only add this to configuration If it's necessary
if data.trailing_stop_positive:
default_conf["trailing_stop_positive"] = data.trailing_stop_positive
default_conf["trailing_stop_positive_offset"] = data.trailing_stop_positive_offset
default_conf["experimental"] = {"use_sell_signal": data.use_sell_signal}
mocker.patch("freqtrade.exchange.Exchange.get_fee", MagicMock(return_value=0.0))
patch_exchange(mocker)
frame = _build_backtest_dataframe(data.data)

4
user_data/strategies/test_strategy.py
View File

@ -44,8 +44,8 @@ class TestStrategy(IStrategy):
# trailing stoploss
trailing_stop = False
trailing_stop_positive = 0.01
trailing_stop_positive_offset = 0.0 # Disabled / not configured
# trailing_stop_positive = 0.01
# trailing_stop_positive_offset = 0.0 # Disabled / not configured
# Optimal ticker interval for the strategy
ticker_interval = '5m'