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Add Profit factor to backtesting

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This commit is contained in:
Matthias 2022-06-18 16:27:43 +02:00
parent b7e4dea6c5
commit 474e6705e6
3 changed files with 13 additions and 3 deletions
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4
docs/backtesting.md
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@ -300,6 +300,7 @@ A backtesting result will look like that:
| Absolute profit | 0.00762792 BTC | | Absolute profit | 0.00762792 BTC |
| Total profit % | 76.2% | | Total profit % | 76.2% |
| CAGR % | 460.87% | | CAGR % | 460.87% |
| Profit factor | 1.11 |
| Avg. stake amount | 0.001 BTC | | Avg. stake amount | 0.001 BTC |
| Total trade volume | 0.429 BTC | | Total trade volume | 0.429 BTC |
| | | | | |
@ -399,6 +400,7 @@ It contains some useful key metrics about performance of your strategy on backte
| Absolute profit | 0.00762792 BTC | | Absolute profit | 0.00762792 BTC |
| Total profit % | 76.2% | | Total profit % | 76.2% |
| CAGR % | 460.87% | | CAGR % | 460.87% |
| Profit factor | 1.11 |
| Avg. stake amount | 0.001 BTC | | Avg. stake amount | 0.001 BTC |
| Total trade volume | 0.429 BTC | | Total trade volume | 0.429 BTC |
| | | | | |
@ -444,6 +446,8 @@ It contains some useful key metrics about performance of your strategy on backte
- `Final balance`: Final balance - starting balance + absolute profit. - `Final balance`: Final balance - starting balance + absolute profit.
- `Absolute profit`: Profit made in stake currency. - `Absolute profit`: Profit made in stake currency.
- `Total profit %`: Total profit. Aligned to the `TOTAL` row's `Tot Profit %` from the first table. Calculated as `(End capital − Starting capital) / Starting capital`. - `Total profit %`: Total profit. Aligned to the `TOTAL` row's `Tot Profit %` from the first table. Calculated as `(End capital − Starting capital) / Starting capital`.
- `CAGR %`: Compound annual growth rate.
- `Profit factor`: profit / loss.
- `Avg. stake amount`: Average stake amount, either `stake_amount` or the average when using dynamic stake amount. - `Avg. stake amount`: Average stake amount, either `stake_amount` or the average when using dynamic stake amount.
- `Total trade volume`: Volume generated on the exchange to reach the above profit. - `Total trade volume`: Volume generated on the exchange to reach the above profit.
- `Best Pair` / `Worst Pair`: Best and worst performing pair, and it's corresponding `Cum Profit %`. - `Best Pair` / `Worst Pair`: Best and worst performing pair, and it's corresponding `Cum Profit %`.

6
freqtrade/optimize/optimize_reports.py
View File

@ -416,6 +416,9 @@ def generate_strategy_stats(pairlist: List[str],
key=lambda x: x['profit_sum']) if len(pair_results) > 1 else None key=lambda x: x['profit_sum']) if len(pair_results) > 1 else None
worst_pair = min([pair for pair in pair_results if pair['key'] != 'TOTAL'], worst_pair = min([pair for pair in pair_results if pair['key'] != 'TOTAL'],
key=lambda x: x['profit_sum']) if len(pair_results) > 1 else None key=lambda x: x['profit_sum']) if len(pair_results) > 1 else None
winning_profit = results.loc[results['profit_abs'] > 0, 'profit_abs'].sum()
losing_profit = results.loc[results['profit_abs'] < 0, 'profit_abs'].sum()
profit_factor = winning_profit / abs(losing_profit) if losing_profit else 0.0
backtest_days = (max_date - min_date).days or 1 backtest_days = (max_date - min_date).days or 1
strat_stats = { strat_stats = {
@ -443,6 +446,7 @@ def generate_strategy_stats(pairlist: List[str],
'profit_total_long_abs': results.loc[~results['is_short'], 'profit_abs'].sum(), 'profit_total_long_abs': results.loc[~results['is_short'], 'profit_abs'].sum(),
'profit_total_short_abs': results.loc[results['is_short'], 'profit_abs'].sum(), 'profit_total_short_abs': results.loc[results['is_short'], 'profit_abs'].sum(),
'cagr': calculate_cagr(backtest_days, start_balance, content['final_balance']), 'cagr': calculate_cagr(backtest_days, start_balance, content['final_balance']),
'profit_factor': profit_factor,
'backtest_start': min_date.strftime(DATETIME_PRINT_FORMAT), 'backtest_start': min_date.strftime(DATETIME_PRINT_FORMAT),
'backtest_start_ts': int(min_date.timestamp() * 1000), 'backtest_start_ts': int(min_date.timestamp() * 1000),
'backtest_end': max_date.strftime(DATETIME_PRINT_FORMAT), 'backtest_end': max_date.strftime(DATETIME_PRINT_FORMAT),
@ -779,6 +783,8 @@ def text_table_add_metrics(strat_results: Dict) -> str:
strat_results['stake_currency'])), strat_results['stake_currency'])),
('Total profit %', f"{strat_results['profit_total']:.2%}"), ('Total profit %', f"{strat_results['profit_total']:.2%}"),
('CAGR %', f"{strat_results['cagr']:.2%}" if 'cagr' in strat_results else 'N/A'), ('CAGR %', f"{strat_results['cagr']:.2%}" if 'cagr' in strat_results else 'N/A'),
('Profit factor', f'{strat_results["profit_factor"]:.2f}' if 'profit_factor'
in strat_results else 'N/A'),
('Trades per day', strat_results['trades_per_day']), ('Trades per day', strat_results['trades_per_day']),
('Avg. daily profit %', ('Avg. daily profit %',
f"{(strat_results['profit_total'] / strat_results['backtest_days']):.2%}"), f"{(strat_results['profit_total'] / strat_results['backtest_days']):.2%}"),