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Merge remote-tracking branch 'origin/tmp/calcprofit' into pr/mkavinkumar1/6545

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Matthias
2022-06-17 19:45:46 +02:00
parent 7fd5846d9f ade65fc274
commit 1250c0a32b
24 changed files with 969 additions and 129 deletions
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112
freqtrade/persistence/trade_model.py
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@@ -666,8 +666,8 @@ class LocalTrade():
"""
self.close_rate = rate
self.close_date = self.close_date or datetime.utcnow()
self.close_profit = self.calc_profit_ratio()
self.close_profit_abs = self.calc_profit() + self.realized_profit
self.close_profit = self.calc_profit_ratio(rate)
self.close_profit_abs = self.calc_profit(rate) + self.realized_profit
self.is_open = False
self.exit_order_status = 'closed'
self.open_order_id = None
@@ -716,12 +716,12 @@ class LocalTrade():
"""
return len([o for o in self.orders if o.ft_order_side == self.exit_side])
def _calc_open_trade_value(self) -> float:
def _calc_open_trade_value(self, amount: float, open_rate: float) -> float:
"""
Calculate the open_rate including open_fee.
:return: Price in of the open trade incl. Fees
"""
open_trade = Decimal(self.amount) * Decimal(self.open_rate)
open_trade = Decimal(amount) * Decimal(open_rate)
fees = open_trade * Decimal(self.fee_open)
if self.is_short:
return float(open_trade - fees)
@@ -733,12 +733,11 @@ class LocalTrade():
Recalculate open_trade_value.
Must be called whenever open_rate, fee_open is changed.
"""
self.open_trade_value = self._calc_open_trade_value()
self.open_trade_value = self._calc_open_trade_value(self.amount, self.open_rate)
def calculate_interest(self, interest_rate: Optional[float] = None) -> Decimal:
def calculate_interest(self) -> Decimal:
"""
:param interest_rate: interest_charge for borrowing this coin(optional).
If interest_rate is not set self.interest_rate will be used
Calculate interest for this trade. Only applicable for Margin trading.
"""
zero = Decimal(0.0)
# If nothing was borrowed
@@ -751,90 +750,77 @@ class LocalTrade():
total_seconds = Decimal((now - open_date).total_seconds())
hours = total_seconds / sec_per_hour or zero
rate = Decimal(interest_rate or self.interest_rate)
rate = Decimal(self.interest_rate)
borrowed = Decimal(self.borrowed)
return interest(exchange_name=self.exchange, borrowed=borrowed, rate=rate, hours=hours)
def _calc_base_close(self, amount: Decimal, rate: Optional[float] = None,
fee: Optional[float] = None) -> Decimal:
def _calc_base_close(self, amount: Decimal, rate: float, fee: float) -> Decimal:
close_trade = Decimal(amount) * Decimal(rate or self.close_rate) # type: ignore
fees = close_trade * Decimal(fee or self.fee_close)
close_trade = amount * Decimal(rate)
fees = close_trade * Decimal(fee)
if self.is_short:
return close_trade + fees
else:
return close_trade - fees
def calc_close_trade_value(self, rate: Optional[float] = None,
fee: Optional[float] = None,
interest_rate: Optional[float] = None) -> float:
def calc_close_trade_value(self, rate: float, amount: float = None) -> float:
"""
Calculate the close_rate including fee
:param fee: fee to use on the close rate (optional).
If rate is not set self.fee will be used
:param rate: rate to compare with (optional).
If rate is not set self.close_rate will be used
:param interest_rate: interest_charge for borrowing this coin (optional).
If interest_rate is not set self.interest_rate will be used
:return: Price in BTC of the open trade
Calculate the Trade's close value including fees
:param rate: rate to compare with.
:return: value in stake currency of the open trade
"""
if rate is None and not self.close_rate:
return 0.0
amount = Decimal(self.amount)
amount = Decimal(amount or self.amount)
trading_mode = self.trading_mode or TradingMode.SPOT
if trading_mode == TradingMode.SPOT:
return float(self._calc_base_close(amount, rate, fee))
return float(self._calc_base_close(amount, rate, self.fee_close))
elif (trading_mode == TradingMode.MARGIN):
total_interest = self.calculate_interest(interest_rate)
total_interest = self.calculate_interest()
if self.is_short:
amount = amount + total_interest
return float(self._calc_base_close(amount, rate, fee))
return float(self._calc_base_close(amount, rate, self.fee_close))
else:
# Currency already owned for longs, no need to purchase
return float(self._calc_base_close(amount, rate, fee) - total_interest)
return float(self._calc_base_close(amount, rate, self.fee_close) - total_interest)
elif (trading_mode == TradingMode.FUTURES):
funding_fees = self.funding_fees or 0.0
# Positive funding_fees -> Trade has gained from fees.
# Negative funding_fees -> Trade had to pay the fees.
if self.is_short:
return float(self._calc_base_close(amount, rate, fee)) - funding_fees
return float(self._calc_base_close(amount, rate, self.fee_close)) - funding_fees
else:
return float(self._calc_base_close(amount, rate, fee)) + funding_fees
return float(self._calc_base_close(amount, rate, self.fee_close)) + funding_fees
else:
raise OperationalException(
f"{self.trading_mode.value} trading is not yet available using freqtrade")
def calc_profit(self, rate: Optional[float] = None,
fee: Optional[float] = None,
interest_rate: Optional[float] = None) -> float:
def calc_profit(self, rate: float, amount: float = None, open_rate: float = None) -> float:
"""
Calculate the absolute profit in stake currency between Close and Open trade
:param fee: fee to use on the close rate (optional).
If fee is not set self.fee will be used
:param rate: close rate to compare with (optional).
If rate is not set self.close_rate will be used
:param interest_rate: interest_charge for borrowing this coin (optional).
If interest_rate is not set self.interest_rate will be used
:return: profit in stake currency as float
:param rate: close rate to compare with.
:param amount: Amount to use for the calculation. Falls back to trade.amount if not set.
:param open_rate: open_rate to use. Defaults to self.open_rate if not provided.
:return: profit in stake currency as float
"""
close_trade_value = self.calc_close_trade_value(
rate=(rate or self.close_rate),
fee=(fee or self.fee_close),
interest_rate=(interest_rate or self.interest_rate)
)
close_trade_value = self.calc_close_trade_value(rate, amount)
if amount is None or open_rate is None:
open_trade_value = self.open_trade_value
else:
open_trade_value = self._calc_open_trade_value(amount, open_rate)
if self.is_short:
profit = self.open_trade_value - close_trade_value
profit = open_trade_value - close_trade_value
else:
profit = close_trade_value - self.open_trade_value
profit = close_trade_value - open_trade_value
return float(f"{profit:.8f}")
def calc_profit2(self, open_rate: float, close_rate: float,
@@ -845,35 +831,33 @@ class LocalTrade():
* (Decimal(1 - self.fee_close) * Decimal(close_rate)
- Decimal(1 + self.fee_open) * Decimal(open_rate)))
def calc_profit_ratio(self, rate: Optional[float] = None,
fee: Optional[float] = None,
interest_rate: Optional[float] = None) -> float:
def calc_profit_ratio(
self, rate: float, amount: float = None, open_rate: float = None) -> float:
"""
Calculates the profit as ratio (including fee).
:param rate: rate to compare with (optional).
If rate is not set self.close_rate will be used
:param fee: fee to use on the close rate (optional).
:param interest_rate: interest_charge for borrowing this coin (optional).
If interest_rate is not set self.interest_rate will be used
:param rate: rate to compare with.
:param amount: Amount to use for the calculation. Falls back to trade.amount if not set.
:param open_rate: open_rate to use. Defaults to self.open_rate if not provided.
:return: profit ratio as float
"""
close_trade_value = self.calc_close_trade_value(
rate=(rate or self.close_rate),
fee=(fee or self.fee_close),
interest_rate=(interest_rate or self.interest_rate)
)
close_trade_value = self.calc_close_trade_value(rate, amount)
if amount is None or open_rate is None:
open_trade_value = self.open_trade_value
else:
open_trade_value = self._calc_open_trade_value(amount, open_rate)
short_close_zero = (self.is_short and close_trade_value == 0.0)
long_close_zero = (not self.is_short and self.open_trade_value == 0.0)
long_close_zero = (not self.is_short and open_trade_value == 0.0)
leverage = self.leverage or 1.0
if (short_close_zero or long_close_zero):
return 0.0
else:
if self.is_short:
profit_ratio = (1 - (close_trade_value / self.open_trade_value)) * leverage
profit_ratio = (1 - (close_trade_value / open_trade_value)) * leverage
else:
profit_ratio = ((close_trade_value / self.open_trade_value) - 1) * leverage
profit_ratio = ((close_trade_value / open_trade_value) - 1) * leverage
return float(f"{profit_ratio:.8f}")