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Merge pull request #6417 from freqtrade/fix/6261

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Attempt fix for #6261
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Matthias 2022-02-16 15:48:57 +01:00 committed by GitHub
commit 877a0750ce
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2 changed files with 39 additions and 9 deletions
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15
freqtrade/optimize/backtesting.py
View File

@ -357,6 +357,18 @@ class Backtesting:
# use Open rate if open_rate > calculated sell rate
return sell_row[OPEN_IDX]
if (
trade_dur == 0
# Red candle (for longs), TODO: green candle (for shorts)
and sell_row[OPEN_IDX] > sell_row[CLOSE_IDX] # Red candle
and trade.open_rate < sell_row[OPEN_IDX] # trade-open below open_rate
and close_rate > sell_row[CLOSE_IDX]
):
# ROI on opening candles with custom pricing can only
# trigger if the entry was at Open or lower.
# details: https: // github.com/freqtrade/freqtrade/issues/6261
# If open_rate is < open, only allow sells below the close on red candles.
raise ValueError("Opening candle ROI on red candles.")
# Use the maximum between close_rate and low as we
# cannot sell outside of a candle.
# Applies when a new ROI setting comes in place and the whole candle is above that.
@ -414,7 +426,10 @@ class Backtesting:
trade.close_date = sell_candle_time
trade_dur = int((trade.close_date_utc - trade.open_date_utc).total_seconds() // 60)
try:
closerate = self._get_close_rate(sell_row, trade, sell, trade_dur)
except ValueError:
return None
# call the custom exit price,with default value as previous closerate
current_profit = trade.calc_profit_ratio(closerate)
order_type = self.strategy.order_types['sell']

31
tests/optimize/test_backtest_detail.py
View File

@ -562,9 +562,9 @@ tc35 = BTContainer(data=[
)
# Test 36: Custom-entry-price around candle low
# Causes immediate ROI exit. This is currently expected behavior (#6261)
# https://github.com/freqtrade/freqtrade/issues/6261
# But may change at a later point.
# Would cause immediate ROI exit, but since the trade was entered
# below open, we treat this as cheating, and delay the sell by 1 candle.
# details: https://github.com/freqtrade/freqtrade/issues/6261
tc36 = BTContainer(data=[
# D O H L C V B S BT
[0, 5000, 5050, 4950, 5000, 6172, 1, 0],
@ -574,13 +574,27 @@ tc36 = BTContainer(data=[
[4, 4750, 4950, 4350, 4750, 6172, 0, 0]],
stop_loss=-0.10, roi={"0": 0.01}, profit_perc=0.01,
custom_entry_price=4952,
trades=[BTrade(sell_reason=SellType.ROI, open_tick=1, close_tick=2)]
)
# Test 37: Custom-entry-price around candle low
# Would cause immediate ROI exit below close
# details: https://github.com/freqtrade/freqtrade/issues/6261
tc37 = BTContainer(data=[
# D O H L C V B S BT
[0, 5000, 5050, 4950, 5000, 6172, 1, 0],
[1, 5400, 5500, 4951, 5100, 6172, 0, 0], # Enter and immediate ROI
[2, 4900, 5250, 4500, 5100, 6172, 0, 0],
[3, 5100, 5100, 4650, 4750, 6172, 0, 0],
[4, 4750, 4950, 4350, 4750, 6172, 0, 0]],
stop_loss=-0.10, roi={"0": 0.01}, profit_perc=0.01,
custom_entry_price=4952,
trades=[BTrade(sell_reason=SellType.ROI, open_tick=1, close_tick=1)]
)
# Test 37: Custom exit price below all candles
# Test 38: Custom exit price below all candles
# Price adjusted to candle Low.
tc37 = BTContainer(data=[
tc38 = BTContainer(data=[
# D O H L C V B S BT
[0, 5000, 5050, 4950, 5000, 6172, 1, 0],
[1, 5000, 5500, 4951, 5000, 6172, 0, 0],
@ -593,9 +607,9 @@ tc37 = BTContainer(data=[
trades=[BTrade(sell_reason=SellType.SELL_SIGNAL, open_tick=1, close_tick=3)]
)
# Test 38: Custom exit price above all candles
# Test 39: Custom exit price above all candles
# causes sell signal timeout
tc38 = BTContainer(data=[
tc39 = BTContainer(data=[
# D O H L C V B S BT
[0, 5000, 5050, 4950, 5000, 6172, 1, 0],
[1, 5000, 5500, 4951, 5000, 6172, 0, 0],
@ -649,6 +663,7 @@ TESTS = [
tc36,
tc37,
tc38,
tc39,
]