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ERMD_Strategy.py
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ERMD_Strategy.py
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# --- Do not remove these libs ---
from datetime import datetime
from functools import reduce
from typing import Optional, Union
from freqtrade.persistence import Trade
from freqtrade.strategy import BooleanParameter, CategoricalParameter, DecimalParameter, IntParameter, IStrategy, stoploss_from_open
import pandas as pd
from pandas import DataFrame
import talib.abstract as ta
import freqtrade.vendor.qtpylib.indicators as qtpylib
import warnings
warnings.simplefilter(action='ignore', category=pd.errors.PerformanceWarning)
DEBUG = False
class ERMD_Strategy(IStrategy):
INTERFACE_VERSION: int = 3
can_short = True # enable short direction
timeframe = "1d"
startup_candle_count = 100 # how many candles we need to skip to start receiving robust signals
risk = 0.01
min_pos_pct = 0.01 # minimum position size, percent of current portfolio value
max_pos_pct = DecimalParameter(0.01, 0.5, default=0.48, decimals=2, optimize=True, space="buy") # maximum position size, percent of current portfolio value
# stop loss
stoploss = -0.10 # maximum stop loss distance
tsl_break_even = DecimalParameter(0.0, 0.1, default=0.04, decimals=2, optimize=True, space="buy") # place break-even stop loss when desired profit is reached
tsl_start_offset = DecimalParameter(0.0, 0.1, default=0.071, decimals=3, optimize=True, space="buy") # start trailing stop loss when this profit level is reached
tsl_trailing_distance = DecimalParameter(0.01, 0.2, default=0.09, decimals=2, optimize=True, space="buy") # distance to price
# take profit
tp1_dist = 0.2
tp1_size = 0.3
tp2_dist = 0.4
tp2_size = 0.3
tp3_dist = 0.6
tp3_size = 0.4
minimal_roi = {"0": 0.8380000000000001} # optimized tp
# Parameters: signal
buy_ema_enabled = BooleanParameter(default=False, optimize=True)
buy_ema1_length = IntParameter(3, 100, default=5, optimize=True)
buy_ema2_length = IntParameter(3, 100, default=10, optimize=True)
buy_ema3_length = IntParameter(3, 100, default=20, optimize=True)
buy_rsi_enabled = BooleanParameter(default=False, optimize=True)
buy_rsi_length = IntParameter(3, 100, default=14, optimize=True)
buy_rsi_threshold = IntParameter(50, 100, default=60, optimize=True)
buy_macd_enabled = BooleanParameter(default=True, optimize=True)
buy_macd_fast = IntParameter(3, 50, default=12, optimize=True)
buy_macd_slow = IntParameter(20, 200, default=26, optimize=True)
buy_macd_smooth = IntParameter(1, 30, default=9, optimize=True)
buy_candlestick_enabled = BooleanParameter(default=False, optimize=True)
sell_ema_enabled = BooleanParameter(default=True, optimize=True)
sell_ema1_length = IntParameter(3, 100, default=5, optimize=True)
sell_ema2_length = IntParameter(3, 100, default=10, optimize=True)
sell_ema3_length = IntParameter(3, 100, default=20, optimize=True)
sell_rsi_enabled = BooleanParameter(default=True, optimize=True)
sell_rsi_length = IntParameter(3, 100, default=14, optimize=True)
sell_rsi_threshold = IntParameter(0, 50, default=40, optimize=True)
sell_macd_enabled = BooleanParameter(default=True, optimize=True)
sell_macd_fast = IntParameter(3, 50, default=12, optimize=True)
sell_macd_slow = IntParameter(20, 200, default=26, optimize=True)
sell_macd_smooth = IntParameter(1, 30, default=9, optimize=True)
sell_candlestick_enabled = BooleanParameter(default=False, optimize=True)
# signals
def populate_indicators(self, dataframe: DataFrame, metadata: dict) -> DataFrame:
""" adds indicators to dataframe """
# BUY
# EMAs
for val in self.buy_ema1_length.range:
dataframe[f"buy_ema1_{val}"] = ta.EMA(dataframe, val)
for val in self.buy_ema2_length.range:
dataframe[f"buy_ema2_{val}"] = ta.EMA(dataframe, val)
for val in self.buy_ema3_length.range:
dataframe[f"buy_ema3_{val}"] = ta.EMA(dataframe, val)
# RSI
for val in self.buy_rsi_length.range:
dataframe[f"buy_rsi_{val}"] = ta.RSI(dataframe, val)
# MACD
for fast_val in self.buy_macd_fast.range:
for slow_val in self.buy_macd_slow.range:
for smooth_val in self.buy_macd_smooth.range:
macd = ta.MACD(dataframe, fast_val, slow_val, smooth_val)
dataframe[f'buy_macd_{fast_val}_{slow_val}_{smooth_val}'] = macd['macd']
dataframe[f'buy_macds_{fast_val}_{slow_val}_{smooth_val}'] = macd['macdsignal']
# SELL
# EMAs
for val in self.sell_ema1_length.range:
dataframe[f"sell_ema1_{val}"] = ta.EMA(dataframe, val)
for val in self.sell_ema2_length.range:
dataframe[f"sell_ema2_{val}"] = ta.EMA(dataframe, val)
for val in self.sell_ema3_length.range:
dataframe[f"sell_ema3_{val}"] = ta.EMA(dataframe, val)
# RSI
for val in self.sell_rsi_length.range:
dataframe[f"sell_rsi_{val}"] = ta.RSI(dataframe, val)
# MACD
for fast_val in self.sell_macd_fast.range:
for slow_val in self.sell_macd_slow.range:
for smooth_val in self.sell_macd_smooth.range:
macd = ta.MACD(dataframe, fast_val, slow_val, smooth_val)
dataframe[f'sell_macd_{fast_val}_{slow_val}_{smooth_val}'] = macd['macd']
dataframe[f'sell_macds_{fast_val}_{slow_val}_{smooth_val}'] = macd['macdsignal']
# DOJI candlestick pattern
doji = ta.CDLDOJI(dataframe)
doji_dir = (dataframe["high"] - dataframe["close"]) / (dataframe["close"] - dataframe["low"])
dataframe.loc[((doji == 100) & (doji_dir > 1), "doji")] = dataframe["high"]
dataframe.loc[((doji == 100) & (doji_dir < 1), "doji")] = dataframe["low"]
# MARUBOZU candlestick pattern
body = (dataframe["close"] - dataframe["open"]).abs()
wick_top = dataframe["high"] - dataframe[["open", "close"]].max(axis=1)
wick_bottom = dataframe[["open", "close"]].min(axis=1) - dataframe["low"]
marubozu = (wick_top/body < 0.25) & (wick_bottom/body < 0.25)
dataframe.loc[(marubozu & (body > 0), 'marubozu')] = dataframe["high"]
dataframe.loc[(marubozu & (body < 0), 'marubozu')] = dataframe["low"]
return dataframe
def populate_entry_trend(self, dataframe: DataFrame, metadata: dict) -> DataFrame:
""" generate signals """
# BUY signal
# only trade if there is volume
conditions = [(dataframe['volume'] > 0)]
# Close > EMA1 > EMA2 > EMA3
if self.buy_ema_enabled.value:
conditions.append((dataframe["close"] > dataframe[f"buy_ema1_{self.buy_ema1_length.value}"]) &
(dataframe[f"buy_ema1_{self.buy_ema1_length.value}"] > dataframe[f"buy_ema2_{self.buy_ema2_length.value}"]) &
(dataframe[f"buy_ema2_{self.buy_ema2_length.value}"] > dataframe[f"buy_ema3_{self.buy_ema3_length.value}"]))
# RSI > RSI_Threshold_Long
if self.buy_rsi_enabled:
conditions.append(dataframe[f"buy_rsi_{self.buy_rsi_length.value}"] > self.buy_rsi_threshold.value)
# MACD cross MACDs above or MACD > 0
if self.buy_macd_enabled.value:
macd = dataframe[f'buy_macd_{self.buy_macd_fast.value}_{self.buy_macd_slow.value}_{self.buy_macd_smooth.value}']
macds = dataframe[f'buy_macds_{self.buy_macd_fast.value}_{self.buy_macd_slow.value}_{self.buy_macd_smooth.value}']
conditions.append(qtpylib.crossed_above(macd, macds) | (macd > 0))
# Candlestick patterns: any DOJI and green MARUBOZU
if self.buy_candlestick_enabled.value:
doji = dataframe['doji'] == dataframe["high"]
marubozu = dataframe['marubozu'] == dataframe["high"]
conditions.append(doji | marubozu)
# combine conditions and return
buy_conditions = reduce(lambda x, y: x & y, conditions)
dataframe.loc[buy_conditions, 'enter_long'] = 1
# SELL signal
# only trade if there is volume
conditions = [(dataframe['volume'] > 0)]
# Close < EMA1 < EMA2 < EMA3
if self.sell_ema_enabled.value:
conditions.append((dataframe["close"] < dataframe[f"sell_ema1_{self.sell_ema1_length.value}"]) &
(dataframe[f"sell_ema1_{self.sell_ema1_length.value}"] < dataframe[f"sell_ema2_{self.sell_ema2_length.value}"]) &
(dataframe[f"sell_ema2_{self.sell_ema2_length.value}"] < dataframe[f"sell_ema3_{self.sell_ema3_length.value}"]))
# RSI < RSI_Threshold_Long
if self.sell_rsi_enabled:
conditions.append(dataframe[f"sell_rsi_{self.sell_rsi_length.value}"] < self.sell_rsi_threshold.value)
# MACD cross MACDs below or MACD < 0
if self.sell_macd_enabled.value:
macd = dataframe[f'sell_macd_{self.sell_macd_fast.value}_{self.sell_macd_slow.value}_{self.sell_macd_smooth.value}']
macds = dataframe[f'sell_macds_{self.sell_macd_fast.value}_{self.sell_macd_slow.value}_{self.sell_macd_smooth.value}']
conditions.append(qtpylib.crossed_below(macd, macds) | (macd < 0))
# Candlestick patterns, any DOJI and red MARUBOZU
if self.sell_candlestick_enabled.value:
doji = dataframe['doji'] == dataframe['low']
marubozu = dataframe['marubozu'] == dataframe['low']
conditions.append(doji | marubozu)
# combine conditions and return
sell_conditions = reduce(lambda x, y: x & y, conditions)
dataframe.loc[sell_conditions, 'enter_short'] = 1
return dataframe
def populate_exit_trend(self, dataframe: DataFrame, metadata: dict) -> DataFrame:
return dataframe
stop_info = {}
def custom_exit(self, pair: str, trade: 'Trade', current_time: 'datetime', current_rate: float,
current_profit: float, **kwargs) -> Optional[Union[str, bool]]:
""" exit on EMA3 cross, or exit at entry candle low (long) or high (short) """
dataframe, _ = self.dp.get_analyzed_dataframe(pair=pair, timeframe=self.timeframe)
last_candle = dataframe.iloc[-1].squeeze()
close = current_rate
# exit on EMA20 cross
if trade.is_short:
ema3 = last_candle[f"sell_ema3_{self.sell_ema3_length.value}"]
if close > ema3:
if DEBUG:
print(f"{pair} EMA20 exit short at {current_time}, price={current_rate}, level={ema3}, profit={current_profit}")
return "ema20_cross_exit"
else:
ema3 = last_candle[f"buy_ema3_{self.buy_ema3_length.value}"]
if close < ema3:
if DEBUG:
print(f"{pair} EMA20 exit long at {current_time}, price={current_rate}, level={ema3}, profit={current_profit}")
return "ema20_cross_exit"
# exit on entry candle low/high
if trade.pair in self.stop_info:
if trade.is_short:
if close > self.stop_info[trade.pair]["level"]:
if DEBUG:
print(f"{pair} entry candle high break exit short at {current_time}, price={current_rate}, "
f"level={self.stop_info[trade.pair]['level']}, profit={current_profit}")
return "candle-based stop_loss"
else:
if close < self.stop_info[trade.pair]['level']:
if DEBUG:
print(f"{pair} entry candle low break exit long at {current_time}, price={current_rate}, "
f"level={self.stop_info[trade.pair]['level']}, profit={current_profit}")
return "candle-based stop_loss"
# exit on 3rd take profit, if it sums to 100%
if self.tp1_size + self.tp2_size + self.tp3_size == 1:
if trade.is_short:
ema1 = last_candle[f"sell_ema1_{self.sell_ema1_length.value}"]
if close < ema1 * (1-self.tp3_dist):
if DEBUG:
print(f"{pair} 3rd take profit filled => exit short at {current_time}, price={current_rate}, "
f"level={ema1 * (1-self.tp3_dist)}, profit={current_profit}")
return "take profit 3"
else:
ema1 = last_candle[f"buy_ema1_{self.buy_ema1_length.value}"]
if close > ema1 * (1+self.tp3_dist):
if DEBUG:
print(f"{pair} 3rd take profit filled => exit long at {current_time}, price={current_rate}, "
f"level={ema1 * (1+self.tp3_dist)}, profit={current_profit}")
return "take profit 3"
return False
# Stop Loss
use_custom_stoploss = True
def custom_stoploss(self, pair: str, trade: Trade, current_time: datetime, current_rate: float,
current_profit: float, **kwargs) -> float:
""" custom trailing stop loss """
if self.tsl_break_even.value <= current_profit < self.tsl_start_offset.value:
return stoploss_from_open(0, current_profit, is_short=trade.is_short)
elif current_profit >= self.tsl_start_offset.value:
return self.tsl_trailing_distance.value
else:
return -1
# Position Size
def custom_stake_amount(self, pair: str, current_time: datetime, current_rate: float,
proposed_stake: float, min_stake: Optional[float], max_stake: float,
leverage: float, entry_tag: Optional[str], side: str,
**kwargs) -> float:
""" custom position size """
if self.wallets:
total = self.wallets.get_total("USDT")
else:
if DEBUG:
print("Wallets are not available, using max_stake instead of portfolio value to calculate position size!")
total = max_stake
dataframe, _ = self.dp.get_analyzed_dataframe(pair=pair, timeframe=self.timeframe)
last_candle = dataframe.iloc[-1].squeeze()
if side == "long":
level = last_candle["low"]
stop_distance = current_rate / level - 1
self.stop_info[pair] = {'level': level}
else:
level = last_candle["high"]
stop_distance = level / current_rate - 1
self.stop_info[pair] = {'level': level}
if stop_distance > abs(self.stoploss):
if DEBUG:
print(f"{pair} at {current_time}: stop distance {round(stop_distance*100)}% is too large, "
f"reducing stop loss to {abs(round(self.stoploss*100))}!")
stop_distance = abs(self.stoploss)
result = total * self.risk / stop_distance
if DEBUG:
print(f"{pair} at {current_time} position calculation: level={level}; current price={current_rate}; "
f"distance={stop_distance}; result={result}; min_stake={min_stake}; max_stake={max_stake}")
# apply maximum/minimum position size
min_pos = self.min_pos_pct * total
max_pos = self.max_pos_pct.value * total
if result < min_pos:
if DEBUG:
print(f"Calculated position ({round(result, 2)}) is less than minimum position size ({round(min_pos)})! Skipping...")
return 0
if result > max_pos:
if DEBUG:
print(f"Calculated position ({round(result, 2)}) is greater than maximum position size ({round(min_pos)})! Reduced!")
result = max_pos
# check min/max stake
if result < min_stake:
if DEBUG:
print(f"Calculated stake ({round(result,2)}) is less than minimum stake ({min_stake})! Skipping trade...")
return 0
elif result > max_stake:
if DEBUG:
print(f"Calculated stake ({round(result,2)}) is greater than maximum stake ({max_stake})! Reducing to maximum!")
result = max_stake
return result
# Take Profit
position_adjustment_enable = True
max_entry_position_adjustment = -1
def adjust_trade_position(self, trade: Trade, current_time: datetime,
current_rate: float, current_profit: float,
min_stake: Optional[float], max_stake: float,
current_entry_rate: float, current_exit_rate: float,
current_entry_profit: float, current_exit_profit: float,
**kwargs) -> Optional[float]:
""" custom take profits """
dataframe, _ = self.dp.get_analyzed_dataframe(trade.pair, self.timeframe)
if trade.is_short:
if trade.nr_of_successful_exits == 0:
if current_rate < (1-self.tp1_dist) * dataframe[f"sell_ema1_{self.sell_ema1_length.value}"].iloc[-1].squeeze():
return -trade.amount_requested * self.tp1_size * current_rate
if trade.nr_of_successful_exits == 1:
if current_rate < (1-self.tp2_dist) * dataframe[f"sell_ema1_{self.sell_ema1_length.value}"].iloc[-1].squeeze():
return -trade.amount_requested * self.tp2_size * current_rate
if trade.nr_of_successful_exits == 2:
if current_rate < (1-self.tp3_dist) * dataframe[f"sell_ema1_{self.sell_ema1_length.value}"].iloc[-1].squeeze():
if self.tp1_size + self.tp2_size + self.tp3_size != 1:
return -trade.amount_requested * self.tp3_size * current_rate
else:
if trade.nr_of_successful_exits == 0:
if current_rate > (1 + self.tp1_dist) * dataframe[f"buy_ema1_{self.buy_ema1_length.value}"].iloc[-1].squeeze():
return -trade.amount_requested * self.tp1_size * current_rate
if trade.nr_of_successful_exits == 1:
if current_rate > (1 + self.tp2_dist) * dataframe[f"buy_ema1_{self.buy_ema1_length.value}"].iloc[-1].squeeze():
return -trade.amount_requested * self.tp2_size * current_rate
if trade.nr_of_successful_exits == 2:
if current_rate > (1 + self.tp3_dist) * dataframe[f"buy_ema1_{self.buy_ema1_length.value}"].iloc[-1].squeeze():
if self.tp1_size + self.tp2_size + self.tp3_size != 1:
return -trade.amount_requested * self.tp3_size * current_rate
return None
# set up plotting
@property
def plot_config(self):
plot_config = {
'main_plot': {
f"buy_ema1_{self.buy_ema1_length.value}": {},
f"buy_ema2_{self.buy_ema2_length.value}": {},
f"buy_ema3_{self.buy_ema3_length.value}": {},
f"doji": {"type": "scatter"},
f"marubozu": {"type": "scatter"}
},
'subplots': {
"MACD": {
f'buy_macd_{self.buy_macd_fast.value}_{self.buy_macd_slow.value}_{self.buy_macd_smooth.value}': {},
f'buy_macds_{self.buy_macd_fast.value}_{self.buy_macd_slow.value}_{self.buy_macd_smooth.value}': {},
},
"RSI": {
f'buy_rsi_{self.buy_rsi_length.value}': {}
}
}}
return plot_config