Timeframe
N/A
Direction
Long Only
Stoploss
N/A
Trailing Stop
No
ROI
N/A
Interface Version
N/A
Startup Candles
N/A
Indicators
0
freqtrade/freqtrade-strategies
Strategy 003 author@: Gerald Lonlas github@: https://github.com/freqtrade/freqtrade-strategies
# --- Do not remove these libs ---
from freqtrade.strategy.interface import IStrategy
from typing import Dict, List
from functools import reduce
from pandas import DataFrame, Series
# --------------------------------
import logging
import pandas as pd
import numpy as np
from datetime import datetime, timedelta, timezone
from freqtrade.persistence import Trade
import time
logger = logging.getLogger(__name__)
class YourStrat(IStrategy):
# replace this by your strategy
print("YourStrat")
class TrailingBuyStrat(YourStrat):
# Orignal idea by @MukavaValkku, code by @tirail and @stash86
#
# This class is designed to inherit from yours and starts trailing buy with your buy signals
# Trailing buy starts at any buy signal
# Trailing buy stops with BUY if : price decreases and rises again more than trailing_buy_offset
# Trailing buy stops with NO BUY : current price is > initial price * (1 + trailing_buy_max) OR custom_sell tag
# IT IS NOT COMPATIBLE WITH BACKTEST/HYPEROPT
#
# if process_only_new_candles = True, then you need to use 1m timeframe (and normal strategy timeframe as informative)
# if process_only_new_candles = False, it will use ticker data and you won't need to change anything
process_only_new_candles = False
custom_info_trail_buy = dict()
# Trailing buy parameters
trailing_buy_order_enabled = True
trailing_expire_seconds = 300
# If the current candle goes above min_uptrend_trailing_profit % before trailing_expire_seconds_uptrend seconds, buy the coin
trailing_buy_uptrend_enabled = False
trailing_expire_seconds_uptrend = 90
min_uptrend_trailing_profit = 0.02
debug_mode = True
trailing_buy_max_stop = 0.1 # stop trailing buy if current_price > starting_price * (1+trailing_buy_max_stop)
trailing_buy_max_buy = 0.002 # buy if price between uplimit (=min of serie (current_price * (1 + trailing_buy_offset())) and (start_price * 1+trailing_buy_max_buy))
init_trailing_dict = {
'trailing_buy_order_started': False,
'trailing_buy_order_uplimit': 0,
'start_trailing_price': 0,
'buy_tag': None,
'start_trailing_time': None,
'offset': 0,
}
def trailing_buy(self, pair, reinit=False):
# returns trailing buy info for pair (init if necessary)
if not pair in self.custom_info_trail_buy:
self.custom_info_trail_buy[pair] = dict()
if reinit or not 'trailing_buy' in self.custom_info_trail_buy[pair]:
self.custom_info_trail_buy[pair]['trailing_buy'] = self.init_trailing_dict
return self.custom_info_trail_buy[pair]['trailing_buy']
def trailing_buy_info(self, pair: str, current_price: float):
# current_time live, dry run
current_time = datetime.now(timezone.utc)
if not self.debug_mode:
return
trailing_buy = self.trailing_buy(pair)
logger.info(
f"pair: {pair} : "
f"start: {trailing_buy['start_trailing_price']:.4f}, "
f"duration: {current_time - trailing_buy['start_trailing_time']}, "
f"current: {current_price:.4f}, "
f"uplimit: {trailing_buy['trailing_buy_order_uplimit']:.4f}, "
f"profit: {self.current_trailing_profit_ratio(pair, current_price)*100:.2f}%, "
f"offset: {trailing_buy['offset']}")
def current_trailing_profit_ratio(self, pair: str, current_price: float) -> float:
trailing_buy = self.trailing_buy(pair)
if trailing_buy['trailing_buy_order_started']:
return (trailing_buy['start_trailing_price'] - current_price) / trailing_buy['start_trailing_price']
else:
return 0
def buy(self, dataframe, pair: str, current_price: float, buy_tag: str):
dataframe.iloc[-1, dataframe.columns.get_loc('buy')] = 1
ratio = "%.2f" % ((self.current_trailing_profit_ratio(pair, current_price)) * 100)
if 'buy_tag' in dataframe.columns:
dataframe.iloc[-1, dataframe.columns.get_loc('buy_tag')] = f"{buy_tag} ({ratio} %)"
self.trailing_buy_info(pair, current_price)
logger.info(f"price OK for {pair} ({ratio} %, {current_price}), order may not be triggered if all slots are full")
def trailing_buy_offset(self, dataframe, pair: str, current_price: float):
# return rebound limit before a buy in % of initial price, function of current price
# return None to stop trailing buy (will start again at next buy signal)
# return 'forcebuy' to force immediate buy
# (example with 0.5%. initial price : 100 (uplimit is 100.5), 2nd price : 99 (no buy, uplimit updated to 99.5), 3price 98 (no buy uplimit updated to 98.5), 4th price 99 -> BUY
current_trailing_profit_ratio = self.current_trailing_profit_ratio(pair, current_price)
default_offset = 0.005
trailing_buy = self.trailing_buy(pair)
if not trailing_buy['trailing_buy_order_started']:
return default_offset
# example with duration and indicators
# dry run, live only
last_candle = dataframe.iloc[-1]
current_time = datetime.now(timezone.utc)
trailing_duration = current_time - trailing_buy['start_trailing_time']
if trailing_duration.total_seconds() > self.trailing_expire_seconds:
if current_trailing_profit_ratio > 0 and last_candle['pre_buy'] == 1:
# more than 1h, price under first signal, buy signal still active -> buy
return 'forcebuy'
else:
# wait for next signal
return None
elif (self.trailing_buy_uptrend_enabled and (trailing_duration.total_seconds() < self.trailing_expire_seconds_uptrend) and (current_trailing_profit_ratio < (-1 * self.min_uptrend_trailing_profit))):
# less than 90s and price is rising, buy
return 'forcebuy'
if current_trailing_profit_ratio < 0:
# current price is higher than initial price
return default_offset
trailing_buy_offset = {
0.06: 0.02,
0.03: 0.01,
0: default_offset,
}
for key in trailing_buy_offset:
if current_trailing_profit_ratio > key:
return trailing_buy_offset[key]
return default_offset
# end of trailing buy parameters
# -----------------------------------------------------
def custom_sell(self, pair: str, trade: Trade, current_time: datetime, current_rate: float,
current_profit: float, **kwargs):
tag = super().custom_sell(pair, trade, current_time, current_rate, current_profit, **kwargs)
if tag:
self.trailing_buy_info(pair, current_rate)
self.trailing_buy(pair, reinit=True)
logger.info(f'STOP trailing buy for {pair} because of {tag}')
return tag
def populate_indicators(self, dataframe: DataFrame, metadata: dict) -> DataFrame:
dataframe = super().populate_indicators(dataframe, metadata)
self.trailing_buy(metadata['pair'])
return dataframe
def confirm_trade_exit(self, pair: str, trade: Trade, order_type: str, amount: float,
rate: float, time_in_force: str, sell_reason: str, **kwargs) -> bool:
val = super().confirm_trade_exit(pair, trade, order_type, amount, rate, time_in_force, sell_reason, **kwargs)
self.trailing_buy(pair, reinit=True)
return val
def confirm_trade_entry(self, pair: str, order_type: str, amount: float, rate: float, time_in_force: str, **kwargs) -> bool:
val = super().confirm_trade_entry(pair, order_type, amount, rate, time_in_force, **kwargs)
# stop trailing when buy signal ! prevent from buying much higher price when slot is free
self.trailing_buy_info(pair, rate)
self.trailing_buy(pair, reinit=True)
logger.info(f'STOP trailing buy for {pair} because I buy it')
return val
def populate_buy_trend(self, dataframe: DataFrame, metadata: dict) -> DataFrame:
dataframe = super().populate_buy_trend(dataframe, metadata)
dataframe = dataframe.rename(columns={"buy": "pre_buy"})
if self.trailing_buy_order_enabled and self.config['runmode'].value in ('live', 'dry_run'): # trailing live dry ticker, 1m
last_candle = dataframe.iloc[-1].squeeze()
if not self.process_only_new_candles:
current_price = self.get_current_price(metadata["pair"])
else:
current_price = last_candle['close']
dataframe['buy'] = 0
trailing_buy = self.trailing_buy(metadata['pair'])
trailing_buy_offset = self.trailing_buy_offset(dataframe, metadata['pair'], current_price)
if not trailing_buy['trailing_buy_order_started'] and last_candle['pre_buy'] == 1:
open_trades = Trade.get_trades([Trade.pair == metadata['pair'], Trade.is_open.is_(True), ]).all()
if not open_trades:
# start trailing buy
self.custom_info_trail_buy[metadata["pair"]]['trailing_buy'] = {
'trailing_buy_order_started': True,
'trailing_buy_order_uplimit': last_candle['close'],
'start_trailing_price': last_candle['close'],
'buy_tag': last_candle['buy_tag'] if 'buy_tag' in last_candle else 'buy signal',
'start_trailing_time': datetime.now(timezone.utc),
'offset': 0,
}
self.trailing_buy_info(metadata["pair"], current_price)
logger.info(f'start trailing buy for {metadata["pair"]} at {last_candle["close"]}')
elif trailing_buy['trailing_buy_order_started']:
if trailing_buy_offset == 'forcebuy':
# buy in custom conditions
self.buy(dataframe, metadata['pair'], current_price, trailing_buy['buy_tag'])
elif trailing_buy_offset is None:
# stop trailing buy custom conditions
self.trailing_buy(metadata['pair'], reinit=True)
logger.info(f'STOP trailing buy for {metadata["pair"]} because "trailing buy offset" returned None')
elif current_price < trailing_buy['trailing_buy_order_uplimit']:
# update uplimit
old_uplimit = trailing_buy["trailing_buy_order_uplimit"]
self.custom_info_trail_buy[metadata["pair"]]['trailing_buy']['trailing_buy_order_uplimit'] = min(current_price * (1 + trailing_buy_offset), self.custom_info_trail_buy[metadata["pair"]]['trailing_buy']['trailing_buy_order_uplimit'])
self.custom_info_trail_buy[metadata["pair"]]['trailing_buy']['offset'] = trailing_buy_offset
self.trailing_buy_info(metadata["pair"], current_price)
logger.info(f'update trailing buy for {metadata["pair"]} at {old_uplimit} -> {self.custom_info_trail_buy[metadata["pair"]]["trailing_buy"]["trailing_buy_order_uplimit"]}')
elif current_price < (trailing_buy['start_trailing_price'] * (1 + self.trailing_buy_max_buy)):
# buy ! current price > uplimit && lower thant starting price
self.buy(dataframe, metadata['pair'], current_price, trailing_buy['buy_tag'])
elif current_price > (trailing_buy['start_trailing_price'] * (1 + self.trailing_buy_max_stop)):
# stop trailing buy because price is too high
self.trailing_buy(metadata['pair'], reinit=True)
self.trailing_buy_info(metadata["pair"], current_price)
logger.info(f'STOP trailing buy for {metadata["pair"]} because of the price is higher than starting price * {1 + self.trailing_buy_max_stop}')
else:
# uplimit > current_price > max_price, continue trailing and wait for the price to go down
self.trailing_buy_info(metadata["pair"], current_price)
logger.info(f'price too high for {metadata["pair"]} !')
else: # No buy trailing
dataframe.loc[
(dataframe['pre_buy'] == 1)
, 'buy'] = 1
return dataframe
def get_current_price(self, pair: str) -> float:
ticker = self.dp.ticker(pair)
current_price = ticker['last']
return current_price
class TrailingBuyStrat2(YourStrat):
# Original idea by @MukavaValkku, code by @tirail and @stash86
#
# This class is designed to inherit from yours and starts trailing buy with your buy signals
# Trailing buy starts at any buy signal and will move to next candles if the trailing still active
# Trailing buy stops with BUY if : price decreases and rises again more than trailing_buy_offset
# Trailing buy stops with NO BUY : current price is > initial price * (1 + trailing_buy_max) OR custom_sell tag
# IT IS NOT COMPATIBLE WITH BACKTEST/HYPEROPT
#
process_only_new_candles = True
custom_info_trail_buy = dict()
# Trailing buy parameters
trailing_buy_order_enabled = True
trailing_expire_seconds = 1800
# If the current candle goes above min_uptrend_trailing_profit % before trailing_expire_seconds_uptrend seconds, buy the coin
trailing_buy_uptrend_enabled = False
trailing_expire_seconds_uptrend = 90
min_uptrend_trailing_profit = 0.02
debug_mode = True
trailing_buy_max_stop = 0.02 # stop trailing buy if current_price > starting_price * (1+trailing_buy_max_stop)
trailing_buy_max_buy = 0.000 # buy if price between uplimit (=min of serie (current_price * (1 + trailing_buy_offset())) and (start_price * 1+trailing_buy_max_buy))
init_trailing_dict = {
'trailing_buy_order_started': False,
'trailing_buy_order_uplimit': 0,
'start_trailing_price': 0,
'buy_tag': None,
'start_trailing_time': None,
'offset': 0,
'allow_trailing': False,
}
def trailing_buy(self, pair, reinit=False):
# returns trailing buy info for pair (init if necessary)
if not pair in self.custom_info_trail_buy:
self.custom_info_trail_buy[pair] = dict()
if (reinit or not 'trailing_buy' in self.custom_info_trail_buy[pair]):
self.custom_info_trail_buy[pair]['trailing_buy'] = self.init_trailing_dict.copy()
return self.custom_info_trail_buy[pair]['trailing_buy']
def trailing_buy_info(self, pair: str, current_price: float):
# current_time live, dry run
current_time = datetime.now(timezone.utc)
if not self.debug_mode:
return
trailing_buy = self.trailing_buy(pair)
duration = 0
try:
duration = (current_time - trailing_buy['start_trailing_time'])
except TypeError:
duration = 0
finally:
logger.info(
f"pair: {pair} : "
f"start: {trailing_buy['start_trailing_price']:.4f}, "
f"duration: {duration}, "
f"current: {current_price:.4f}, "
f"uplimit: {trailing_buy['trailing_buy_order_uplimit']:.4f}, "
f"profit: {self.current_trailing_profit_ratio(pair, current_price)*100:.2f}%, "
f"offset: {trailing_buy['offset']}")
def current_trailing_profit_ratio(self, pair: str, current_price: float) -> float:
trailing_buy = self.trailing_buy(pair)
if trailing_buy['trailing_buy_order_started']:
return (trailing_buy['start_trailing_price'] - current_price) / trailing_buy['start_trailing_price']
else:
return 0
def trailing_buy_offset(self, dataframe, pair: str, current_price: float):
# return rebound limit before a buy in % of initial price, function of current price
# return None to stop trailing buy (will start again at next buy signal)
# return 'forcebuy' to force immediate buy
# (example with 0.5%. initial price : 100 (uplimit is 100.5), 2nd price : 99 (no buy, uplimit updated to 99.5), 3price 98 (no buy uplimit updated to 98.5), 4th price 99 -> BUY
current_trailing_profit_ratio = self.current_trailing_profit_ratio(pair, current_price)
default_offset = 0.005
trailing_buy = self.trailing_buy(pair)
if not trailing_buy['trailing_buy_order_started']:
return default_offset
# example with duration and indicators
# dry run, live only
last_candle = dataframe.iloc[-1]
current_time = datetime.now(timezone.utc)
trailing_duration = current_time - trailing_buy['start_trailing_time']
if trailing_duration.total_seconds() > self.trailing_expire_seconds:
if ((current_trailing_profit_ratio > 0) and (last_candle['buy'] == 1)):
# more than 1h, price under first signal, buy signal still active -> buy
return 'forcebuy'
else:
# wait for next signal
return None
elif (self.trailing_buy_uptrend_enabled and (trailing_duration.total_seconds() < self.trailing_expire_seconds_uptrend) and (current_trailing_profit_ratio < (-1 * self.min_uptrend_trailing_profit))):
# less than 90s and price is rising, buy
return 'forcebuy'
if current_trailing_profit_ratio < 0:
# current price is higher than initial price
return default_offset
trailing_buy_offset = {
0.06: 0.02,
0.03: 0.01,
0: default_offset,
}
for key in trailing_buy_offset:
if current_trailing_profit_ratio > key:
return trailing_buy_offset[key]
return default_offset
# end of trailing buy parameters
# -----------------------------------------------------
def populate_indicators(self, dataframe: DataFrame, metadata: dict) -> DataFrame:
dataframe = super().populate_indicators(dataframe, metadata)
self.trailing_buy(metadata['pair'])
return dataframe
def confirm_trade_entry(self, pair: str, order_type: str, amount: float, rate: float, time_in_force: str, **kwargs) -> bool:
val = super().confirm_trade_entry(pair, order_type, amount, rate, time_in_force, **kwargs)
if val:
if self.trailing_buy_order_enabled and self.config['runmode'].value in ('live', 'dry_run'):
val = False
dataframe, _ = self.dp.get_analyzed_dataframe(pair, self.timeframe)
if(len(dataframe) >= 1):
last_candle = dataframe.iloc[-1].squeeze()
current_price = rate
trailing_buy = self.trailing_buy(pair)
trailing_buy_offset = self.trailing_buy_offset(dataframe, pair, current_price)
if trailing_buy['allow_trailing']:
if (not trailing_buy['trailing_buy_order_started'] and (last_candle['buy'] == 1)):
# start trailing buy
# self.custom_info_trail_buy[pair]['trailing_buy']['trailing_buy_order_started'] = True
# self.custom_info_trail_buy[pair]['trailing_buy']['trailing_buy_order_uplimit'] = last_candle['close']
# self.custom_info_trail_buy[pair]['trailing_buy']['start_trailing_price'] = last_candle['close']
# self.custom_info_trail_buy[pair]['trailing_buy']['buy_tag'] = f"initial_buy_tag (strat trail price {last_candle['close']})"
# self.custom_info_trail_buy[pair]['trailing_buy']['start_trailing_time'] = datetime.now(timezone.utc)
# self.custom_info_trail_buy[pair]['trailing_buy']['offset'] = 0
trailing_buy['trailing_buy_order_started'] = True
trailing_buy['trailing_buy_order_uplimit'] = last_candle['close']
trailing_buy['start_trailing_price'] = last_candle['close']
trailing_buy['buy_tag'] = last_candle['buy_tag']
trailing_buy['start_trailing_time'] = datetime.now(timezone.utc)
trailing_buy['offset'] = 0
self.trailing_buy_info(pair, current_price)
logger.info(f'start trailing buy for {pair} at {last_candle["close"]}')
elif trailing_buy['trailing_buy_order_started']:
if trailing_buy_offset == 'forcebuy':
# buy in custom conditions
val = True
ratio = "%.2f" % ((self.current_trailing_profit_ratio(pair, current_price)) * 100)
self.trailing_buy_info(pair, current_price)
logger.info(f"price OK for {pair} ({ratio} %, {current_price}), order may not be triggered if all slots are full")
elif trailing_buy_offset is None:
# stop trailing buy custom conditions
self.trailing_buy(pair, reinit=True)
logger.info(f'STOP trailing buy for {pair} because "trailing buy offset" returned None')
elif current_price < trailing_buy['trailing_buy_order_uplimit']:
# update uplimit
old_uplimit = trailing_buy["trailing_buy_order_uplimit"]
self.custom_info_trail_buy[pair]['trailing_buy']['trailing_buy_order_uplimit'] = min(current_price * (1 + trailing_buy_offset), self.custom_info_trail_buy[pair]['trailing_buy']['trailing_buy_order_uplimit'])
self.custom_info_trail_buy[pair]['trailing_buy']['offset'] = trailing_buy_offset
self.trailing_buy_info(pair, current_price)
logger.info(f'update trailing buy for {pair} at {old_uplimit} -> {self.custom_info_trail_buy[pair]["trailing_buy"]["trailing_buy_order_uplimit"]}')
elif current_price < (trailing_buy['start_trailing_price'] * (1 + self.trailing_buy_max_buy)):
# buy ! current price > uplimit && lower thant starting price
val = True
ratio = "%.2f" % ((self.current_trailing_profit_ratio(pair, current_price)) * 100)
self.trailing_buy_info(pair, current_price)
logger.info(f"current price ({current_price}) > uplimit ({trailing_buy['trailing_buy_order_uplimit']}) and lower than starting price price ({(trailing_buy['start_trailing_price'] * (1 + self.trailing_buy_max_buy))}). OK for {pair} ({ratio} %), order may not be triggered if all slots are full")
elif current_price > (trailing_buy['start_trailing_price'] * (1 + self.trailing_buy_max_stop)):
# stop trailing buy because price is too high
self.trailing_buy(pair, reinit=True)
self.trailing_buy_info(pair, current_price)
logger.info(f'STOP trailing buy for {pair} because of the price is higher than starting price * {1 + self.trailing_buy_max_stop}')
else:
# uplimit > current_price > max_price, continue trailing and wait for the price to go down
self.trailing_buy_info(pair, current_price)
logger.info(f'price too high for {pair} !')
else:
logger.info(f"Wait for next buy signal for {pair}")
if (val == True):
self.trailing_buy_info(pair, rate)
self.trailing_buy(pair, reinit=True)
logger.info(f'STOP trailing buy for {pair} because I buy it')
return val
def populate_buy_trend(self, dataframe: DataFrame, metadata: dict) -> DataFrame:
dataframe = super().populate_buy_trend(dataframe, metadata)
if self.trailing_buy_order_enabled and self.config['runmode'].value in ('live', 'dry_run'):
last_candle = dataframe.iloc[-1].squeeze()
trailing_buy = self.trailing_buy(metadata['pair'])
if (last_candle['buy'] == 1):
if not trailing_buy['trailing_buy_order_started']:
open_trades = Trade.get_trades([Trade.pair == metadata['pair'], Trade.is_open.is_(True), ]).all()
if not open_trades:
logger.info(f"Set 'allow_trailing' to True for {metadata['pair']} to start trailing!!!")
# self.custom_info_trail_buy[metadata['pair']]['trailing_buy']['allow_trailing'] = True
trailing_buy['allow_trailing'] = True
initial_buy_tag = last_candle['buy_tag'] if 'buy_tag' in last_candle else 'buy signal'
dataframe.loc[:, 'buy_tag'] = f"{initial_buy_tag} (start trail price {last_candle['close']})"
else:
if (trailing_buy['trailing_buy_order_started'] == True):
logger.info(f"Continue trailing for {metadata['pair']}. Manually trigger buy signal!!")
dataframe.loc[:,'buy'] = 1
dataframe.loc[:, 'buy_tag'] = trailing_buy['buy_tag']
# dataframe['buy'] = 1
return dataframe
#dynamic offset
class TrailingBuyStrat2a(YourStrat):
# Original idea by @MukavaValkku, code by @tirail and @stash86
#
# This class is designed to inherit from yours and starts trailing buy with your buy signals
# Trailing buy starts at any buy signal and will move to next candles if the trailing still active
# Trailing buy stops with BUY if : price decreases and rises again more than trailing_buy_offset
# Trailing buy stops with NO BUY : current price is > initial price * (1 + trailing_buy_max) OR custom_sell tag
# IT IS NOT COMPATIBLE WITH BACKTEST/HYPEROPT
#
process_only_new_candles = True
custom_info_trail_buy = dict()
# Trailing buy parameters
trailing_buy_order_enabled = True
trailing_expire_seconds = 1800
# If the current candle goes above min_uptrend_trailing_profit % before trailing_expire_seconds_uptrend seconds, buy the coin
trailing_buy_uptrend_enabled = False
trailing_expire_seconds_uptrend = 90
min_uptrend_trailing_profit = 0.02
debug_mode = True
trailing_buy_max_stop = 0.02 # stop trailing buy if current_price > starting_price * (1+trailing_buy_max_stop)
trailing_buy_max_buy = 0.000 # buy if price between uplimit (=min of serie (current_price * (1 + trailing_buy_offset())) and (start_price * 1+trailing_buy_max_buy))
abort_trailing_when_sell_signal_triggered = False
init_trailing_dict = {
'trailing_buy_order_started': False,
'trailing_buy_order_uplimit': 0,
'start_trailing_price': 0,
'buy_tag': None,
'start_trailing_time': None,
'offset': 0,
'allow_trailing': False,
}
def trailing_buy(self, pair, reinit=False):
# returns trailing buy info for pair (init if necessary)
if not pair in self.custom_info_trail_buy:
self.custom_info_trail_buy[pair] = dict()
if (reinit or not 'trailing_buy' in self.custom_info_trail_buy[pair]):
self.custom_info_trail_buy[pair]['trailing_buy'] = self.init_trailing_dict.copy()
return self.custom_info_trail_buy[pair]['trailing_buy']
def trailing_buy_info(self, pair: str, current_price: float):
# current_time live, dry run
current_time = datetime.now(timezone.utc)
if not self.debug_mode:
return
trailing_buy = self.trailing_buy(pair)
duration = 0
try:
duration = (current_time - trailing_buy['start_trailing_time'])
except TypeError:
duration = 0
finally:
logger.info(
f"pair: {pair} : "
f"start: {trailing_buy['start_trailing_price']:.4f}, "
f"duration: {duration}, "
f"current: {current_price:.4f}, "
f"uplimit: {trailing_buy['trailing_buy_order_uplimit']:.4f}, "
f"profit: {self.current_trailing_profit_ratio(pair, current_price)*100:.2f}%, "
f"offset: {trailing_buy['offset']}")
def current_trailing_profit_ratio(self, pair: str, current_price: float) -> float:
trailing_buy = self.trailing_buy(pair)
if trailing_buy['trailing_buy_order_started']:
return (trailing_buy['start_trailing_price'] - current_price) / trailing_buy['start_trailing_price']
else:
return 0
def trailing_buy_offset(self, dataframe, pair: str, current_price: float):
# return rebound limit before a buy in % of initial price, function of current price
# return None to stop trailing buy (will start again at next buy signal)
# return 'forcebuy' to force immediate buy
# (example with 0.5%. initial price : 100 (uplimit is 100.5), 2nd price : 99 (no buy, uplimit updated to 99.5), 3price 98 (no buy uplimit updated to 98.5), 4th price 99 -> BUY
current_trailing_profit_ratio = self.current_trailing_profit_ratio(pair, current_price)
last_candle = dataframe.iloc[-1]
adapt = abs((last_candle['perc_norm'])) #NOTE: Uzirox variable offset
default_offset = adapt*0.01
trailing_buy = self.trailing_buy(pair)
if not trailing_buy['trailing_buy_order_started']:
return default_offset
# example with duration and indicators
# dry run, live only
last_candle = dataframe.iloc[-1]
current_time = datetime.now(timezone.utc)
trailing_duration = current_time - trailing_buy['start_trailing_time']
if trailing_duration.total_seconds() > self.trailing_expire_seconds:
if ((current_trailing_profit_ratio > 0) and (last_candle['buy'] == 1)):
# more than 1h, price under first signal, buy signal still active -> buy
return 'forcebuy'
else:
# wait for next signal
return None
elif (self.trailing_buy_uptrend_enabled and (trailing_duration.total_seconds() < self.trailing_expire_seconds_uptrend) and (current_trailing_profit_ratio < (-1 * self.min_uptrend_trailing_profit))):
# less than 90s and price is rising, buy
return 'forcebuy'
if current_trailing_profit_ratio < 0:
# current price is higher than initial price
return default_offset
trailing_buy_offset = {
0.06: 0.02,
0.03: 0.01,
0: default_offset,
}
for key in trailing_buy_offset:
if current_trailing_profit_ratio > key:
return trailing_buy_offset[key]
return default_offset
# end of trailing buy parameters
# -----------------------------------------------------
def populate_indicators(self, dataframe: DataFrame, metadata: dict) -> DataFrame:
dataframe = super().populate_indicators(dataframe, metadata)
self.trailing_buy(metadata['pair'])
# variable trailing buy offset
dataframe['perc'] = ((dataframe['high'].rolling(5).max()-dataframe['low'].rolling(5).min())/dataframe['low'].rolling(5).min()*100)
dataframe['perc_norm'] = 2*((dataframe['perc'] - dataframe['perc'].rolling(50).min()) / (dataframe['perc'].rolling(50).max() - dataframe['perc'].rolling(50).min()))-1
return dataframe
def confirm_trade_entry(self, pair: str, order_type: str, amount: float, rate: float, time_in_force: str, **kwargs) -> bool:
val = super().confirm_trade_entry(pair, order_type, amount, rate, time_in_force, **kwargs)
if val:
if self.trailing_buy_order_enabled and self.config['runmode'].value in ('live', 'dry_run'):
val = False
dataframe, _ = self.dp.get_analyzed_dataframe(pair, self.timeframe)
if(len(dataframe) >= 1):
last_candle = dataframe.iloc[-1].squeeze()
current_price = rate
trailing_buy = self.trailing_buy(pair)
trailing_buy_offset = self.trailing_buy_offset(dataframe, pair, current_price)
if trailing_buy['allow_trailing']:
if (not trailing_buy['trailing_buy_order_started'] and (last_candle['buy'] == 1)):
# start trailing buy
# self.custom_info_trail_buy[pair]['trailing_buy']['trailing_buy_order_started'] = True
# self.custom_info_trail_buy[pair]['trailing_buy']['trailing_buy_order_uplimit'] = last_candle['close']
# self.custom_info_trail_buy[pair]['trailing_buy']['start_trailing_price'] = last_candle['close']
# self.custom_info_trail_buy[pair]['trailing_buy']['buy_tag'] = f"initial_buy_tag (strat trail price {last_candle['close']})"
# self.custom_info_trail_buy[pair]['trailing_buy']['start_trailing_time'] = datetime.now(timezone.utc)
# self.custom_info_trail_buy[pair]['trailing_buy']['offset'] = 0
trailing_buy['trailing_buy_order_started'] = True
trailing_buy['trailing_buy_order_uplimit'] = last_candle['close']
trailing_buy['start_trailing_price'] = last_candle['close']
trailing_buy['buy_tag'] = last_candle['buy_tag']
trailing_buy['start_trailing_time'] = datetime.now(timezone.utc)
trailing_buy['offset'] = 0
self.trailing_buy_info(pair, current_price)
logger.info(f'start trailing buy for {pair} at {last_candle["close"]}')
elif trailing_buy['trailing_buy_order_started']:
if trailing_buy_offset == 'forcebuy':
# buy in custom conditions
val = True
ratio = "%.2f" % ((self.current_trailing_profit_ratio(pair, current_price)) * 100)
self.trailing_buy_info(pair, current_price)
logger.info(f"price OK for {pair} ({ratio} %, {current_price}), order may not be triggered if all slots are full")
elif trailing_buy_offset is None:
# stop trailing buy custom conditions
self.trailing_buy(pair, reinit=True)
logger.info(f'STOP trailing buy for {pair} because "trailing buy offset" returned None')
elif current_price < trailing_buy['trailing_buy_order_uplimit']:
# update uplimit
old_uplimit = trailing_buy["trailing_buy_order_uplimit"]
self.custom_info_trail_buy[pair]['trailing_buy']['trailing_buy_order_uplimit'] = min(current_price * (1 + trailing_buy_offset), self.custom_info_trail_buy[pair]['trailing_buy']['trailing_buy_order_uplimit'])
self.custom_info_trail_buy[pair]['trailing_buy']['offset'] = trailing_buy_offset
self.trailing_buy_info(pair, current_price)
logger.info(f'update trailing buy for {pair} at {old_uplimit} -> {self.custom_info_trail_buy[pair]["trailing_buy"]["trailing_buy_order_uplimit"]}')
elif current_price < (trailing_buy['start_trailing_price'] * (1 + self.trailing_buy_max_buy)):
# buy ! current price > uplimit && lower thant starting price
val = True
ratio = "%.2f" % ((self.current_trailing_profit_ratio(pair, current_price)) * 100)
self.trailing_buy_info(pair, current_price)
logger.info(f"current price ({current_price}) > uplimit ({trailing_buy['trailing_buy_order_uplimit']}) and lower than starting price price ({(trailing_buy['start_trailing_price'] * (1 + self.trailing_buy_max_buy))}). OK for {pair} ({ratio} %), order may not be triggered if all slots are full")
elif current_price > (trailing_buy['start_trailing_price'] * (1 + self.trailing_buy_max_stop)):
# stop trailing buy because price is too high
self.trailing_buy(pair, reinit=True)
self.trailing_buy_info(pair, current_price)
logger.info(f'STOP trailing buy for {pair} because of the price is higher than starting price * {1 + self.trailing_buy_max_stop}')
else:
# uplimit > current_price > max_price, continue trailing and wait for the price to go down
self.trailing_buy_info(pair, current_price)
logger.info(f'price too high for {pair} !')
else:
logger.info(f"Wait for next buy signal for {pair}")
if (val == True):
self.trailing_buy_info(pair, rate)
self.trailing_buy(pair, reinit=True)
logger.info(f'STOP trailing buy for {pair} because I buy it')
return val
def populate_buy_trend(self, dataframe: DataFrame, metadata: dict) -> DataFrame:
dataframe = super().populate_buy_trend(dataframe, metadata)
if self.trailing_buy_order_enabled and self.config['runmode'].value in ('live', 'dry_run'):
last_candle = dataframe.iloc[-1].squeeze()
trailing_buy = self.trailing_buy(metadata['pair'])
if (last_candle['buy'] == 1):
if not trailing_buy['trailing_buy_order_started']:
open_trades = Trade.get_trades([Trade.pair == metadata['pair'], Trade.is_open.is_(True), ]).all()
if not open_trades:
logger.info(f"Set 'allow_trailing' to True for {metadata['pair']} to start trailing!!!")
# self.custom_info_trail_buy[metadata['pair']]['trailing_buy']['allow_trailing'] = True
trailing_buy['allow_trailing'] = True
initial_buy_tag = last_candle['buy_tag'] if 'buy_tag' in last_candle else 'buy signal'
dataframe.loc[:, 'buy_tag'] = f"{initial_buy_tag} (start trail price {last_candle['close']})"
else:
if (trailing_buy['trailing_buy_order_started'] == True):
logger.info(f"Continue trailing for {metadata['pair']}. Manually trigger buy signal!!")
dataframe.loc[:,'buy'] = 1
dataframe.loc[:, 'buy_tag'] = trailing_buy['buy_tag']
# dataframe['buy'] = 1
return dataframe
def populate_sell_trend(self, dataframe: DataFrame, metadata: dict) -> DataFrame:
dataframe = super().populate_sell_trend(dataframe, metadata)
if self.trailing_buy_order_enabled and self.abort_trailing_when_sell_signal_triggered and self.config['runmode'].value in ('live', 'dry_run'):
last_candle = dataframe.iloc[-1].squeeze()
if (last_candle['sell'] == 1):
trailing_buy = self.trailing_buy(metadata['pair'])
if trailing_buy['trailing_buy_order_started']:
logger.info(f"Sell signal for {metadata['pair']} is triggered!!! Abort trailing")
self.trailing_buy(metadata['pair'], reinit=True)
return dataframe