Files
kis_bot/kis_trader/backtest/optuna_breakout.py
Hwang 336d637b72 feat(param-search): Add new evaluation functions for breakout, momentum, and tail parameter combinations
Changes:
- Added `apply_params_to_db` function to streamline parameter application to the database.
- Introduced `evaluate_breakout_param_combo`, `evaluate_momentum_param_combo`, and `evaluate_tail_param_combo` functions to enhance the evaluation of parameter combinations for respective strategies.
- Updated `requirements.txt` to include `optuna==4.2.1` for improved optimization capabilities.

Impact:
- These additions improve the modularity and efficiency of parameter evaluations across different trading strategies, facilitating better optimization and backtesting processes.
2026-07-06 02:18:14 +09:00

391 lines
14 KiB
Python

#!/usr/bin/env python3
"""kis_trader/backtest/optuna_breakout.py — 돌파 Optuna (Grid add-on)."""
from __future__ import annotations
import json
import logging
import os
import time
from dataclasses import dataclass, field
from datetime import datetime
from typing import Any, Dict, List, Optional
import optuna
from optuna.samplers import RandomSampler, TPESampler
from database import TradeDB
from kis_trader.backtest import breakout_backtest_common as bbc
from kis_trader.backtest.optuna_search_space import breakout_grid_axis_keys, suggest_breakout_params
from kis_trader.backtest.param_search_breakout import (
_bo_fixed_defaults,
_load_candles_for_search,
_breakout_grids,
_ui_to_engine_params,
apply_params_to_db,
evaluate_breakout_param_combo,
)
from kis_trader.backtest.param_search_cli_common import (
apply_session_to_fixed,
combo_passes_search_filters,
format_session_hm,
)
from kis_trader.backtest.tail_param_search import _results_dir_for_write
from kis_trader.strategies.breakout import breakout_backtest_wants_tick_replay, breakout_entry_mode
from kis_trader.engine.indicator_cache import attach_indicator_caches_to_params
from kis_trader.backtest.breakout_tick_loader import load_breakout_ticks_by_code
logger = logging.getLogger("param_search_optuna")
_FAIL_OBJECTIVE = -1e18
@dataclass
class BreakoutSearchContext:
start: str
end: str
mode: str
base_fixed: Dict[str, Any]
codes_candles: Dict[str, List[Dict]]
universe_by_slot: Optional[Dict[str, List[str]]]
ticks_by_code: Any
orderbook_by_code: Dict[str, Any]
program_by_code: Dict[str, Any]
log_verdict_by_code: Dict[str, Any]
share_denom_by_code: Dict[str, float]
fee_rate: float
sell_tax: float
slot_money: float
max_stocks: int
total_budget_krw: float
period_days: int
portfolio: Dict[str, Any]
grid_keys: List[str]
start_key: str
end_key: str
cache_holder: Dict[str, Any] = field(default_factory=dict)
def prepare_breakout_search_context(
start: str,
end: str,
mode: str,
*,
use_fallback_universe: bool = False,
time_start_hm: Optional[int] = None,
time_end_hm: Optional[int] = None,
slot_money: Optional[float] = None,
max_stocks: Optional[int] = None,
total_budget_krw: Optional[float] = None,
orderbook_filter: str = "off",
) -> Optional[BreakoutSearchContext]:
grids = _breakout_grids()
if mode not in grids:
logger.error("❌ 돌파 mode: %s (fast/coarse/fine/full)", mode)
return None
base_fixed = _bo_fixed_defaults()
apply_session_to_fixed(base_fixed, time_start_hm=time_start_hm, time_end_hm=time_end_hm)
_ob_mode = (orderbook_filter or "off").strip().lower()
if _ob_mode == "off":
base_fixed["_orderbook_filter_enabled"] = False
elif _ob_mode == "on":
base_fixed["_orderbook_filter_enabled"] = True
ob_filter_on = bool(base_fixed.get("_orderbook_filter_enabled")) or _ob_mode == "auto"
logger.info(
"📌 호가필터: %s (%s)",
_ob_mode.upper(),
"적용" if ob_filter_on else "스킵 — 코어 파라미터 순수 탐색",
)
db = TradeDB()
try:
row = db.conn.execute("SELECT * FROM env_config ORDER BY id DESC LIMIT 1").fetchone()
env_row = dict(row) if row else {}
finally:
db.close()
fee_rate, sell_tax, slot_from_env = bbc.fee_and_slot_from_env(env_row)
portfolio = bbc.resolve_breakout_portfolio_params(
env_row, None,
slot_money=slot_money if slot_money is not None else slot_from_env,
max_stocks=max_stocks,
total_budget_krw=total_budget_krw,
)
slot_money_f = float(portfolio["slot_money"])
max_stocks_i = int(portfolio["max_stocks"])
total_budget_f = float(portfolio["total_budget_krw"])
period_days = max(
1,
(datetime.strptime(end, "%Y-%m-%d") - datetime.strptime(start, "%Y-%m-%d")).days + 1,
)
logger.info(
f"💼 포트폴리오: 1회 {slot_money_f:,.0f}원 | 동시 {max_stocks_i}종 | "
f"총한도 {total_budget_f:,.0f}원 | 매매 {format_session_hm(base_fixed)}"
)
logger.info("📌 진입 모드: %s", breakout_entry_mode())
codes_candles = _load_candles_for_search(
start, end, base_fixed.get("lookback_min", 1), base_fixed,
)
if not codes_candles:
logger.error("❌ 캔들 데이터 없음")
return None
logger.info("✅ 데이터 로드: %s종목", len(codes_candles))
share_denom_by_code: Dict[str, float] = {}
_share_db = TradeDB()
try:
from kis_trader.share.stock_share import load_share_denom_map
share_denom_by_code = load_share_denom_map(_share_db, codes_candles.keys())
finally:
_share_db.close()
start_key = (start.replace("-", "") + "0000") if start else "202601010000"
end_key = (end.replace("-", "") + "2359") if end else "999912312359"
start_ymd = start.replace("-", "") if start else ""
end_ymd = end.replace("-", "") if end else ""
ticks_by_code: Dict[str, Any] = {}
engine_probe = _ui_to_engine_params(base_fixed)
engine_probe["_orderbook_filter_enabled"] = base_fixed.get("_orderbook_filter_enabled")
if breakout_backtest_wants_tick_replay(engine_probe):
_tick_db = TradeDB()
try:
ticks_by_code, tick_rows = load_breakout_ticks_by_code(
_tick_db, start_key, end_key, set(codes_candles.keys()),
)
logger.info("✅ ws_ticks %s", f"{tick_rows:,}")
finally:
_tick_db.close()
grid = grids[mode]
_ob_axes = ("max_spread_pct", "min_bid_ask_ratio", "ask_wall_max_qty")
_ob_sweeping = any(len(set(grid.get(k) or [])) > 1 for k in _ob_axes)
if ob_filter_on and _ob_sweeping:
base_fixed["backtest_use_kiwoom_body_snapshot"] = True
base_fixed["_backtest_use_kiwoom_body"] = True
orderbook_by_code: Dict[str, Any] = {}
program_by_code: Dict[str, Any] = {}
log_verdict_by_code: Dict[str, Any] = {}
_snap_db = TradeDB()
try:
from kis_trader.backtest.trigger_snapshot_loader import load_trigger_snapshots_by_code
orderbook_by_code, program_by_code, trigger_snap_meta = load_trigger_snapshots_by_code(
_snap_db, start_key, end_key, set(codes_candles.keys()),
engine_params=engine_probe, strategy="BREAKOUT",
)
log_verdict_by_code = trigger_snap_meta.get("log_verdict_by_code") or {}
finally:
_snap_db.close()
universe_by_slot = None
fallback_sim_interval = 5
if not use_fallback_universe and start_ymd and end_ymd:
try:
from kis_trader.database.db_manager import get_db as _get_ext_db
_ext = _get_ext_db()
history = _ext.get_universe_by_candle_time(
strategy_id="BREAKOUT", start_ymd=start_ymd, end_ymd=end_ymd,
)
if history:
universe_by_slot = history
n_bins = len(history)
avg = sum(len(v) for v in history.values()) / max(1, n_bins)
logger.info("✅ 유니버스: BREAKOUT 이력 | %s분봉 · 평균 %.1f종목", n_bins, avg)
except Exception as exc:
logger.debug("유니버스 이력 스킵: %s", exc)
if universe_by_slot is None:
from kis_trader.engine import scalping_engine as se
universe_top_n = int(os.environ.get("UPDATE_UNIVERSE_TOP_N", "20"))
universe_min_score = float(os.environ.get("UPDATE_UNIVERSE_MIN_SCORE", "4.0"))
universe_by_slot = se.build_universe_simulation(
codes_candles,
top_n=universe_top_n,
min_score=universe_min_score,
scan_interval_min=fallback_sim_interval,
)
base_fixed["scan_interval_min"] = fallback_sim_interval
logger.info("📌 유니버스: 시뮬 fallback (%d분)", fallback_sim_interval)
else:
base_fixed["scan_interval_min"] = 1
cache_holder: Dict[str, Any] = {}
attach_indicator_caches_to_params(cache_holder, codes_candles)
return BreakoutSearchContext(
start=start,
end=end,
mode=mode,
base_fixed=base_fixed,
codes_candles=codes_candles,
universe_by_slot=universe_by_slot,
ticks_by_code=ticks_by_code,
orderbook_by_code=orderbook_by_code,
program_by_code=program_by_code,
log_verdict_by_code=log_verdict_by_code,
share_denom_by_code=share_denom_by_code,
fee_rate=fee_rate,
sell_tax=sell_tax,
slot_money=slot_money_f,
max_stocks=max_stocks_i,
total_budget_krw=total_budget_f,
period_days=period_days,
portfolio=portfolio,
grid_keys=breakout_grid_axis_keys(mode),
start_key=start_key,
end_key=end_key,
cache_holder=cache_holder,
)
def _make_sampler(name: str, seed: Optional[int]):
n = (name or "tpe").strip().lower()
if n == "random":
return RandomSampler(seed=seed)
return TPESampler(seed=seed, multivariate=True)
def run_breakout_optuna(
ctx: BreakoutSearchContext,
*,
n_trials: int,
storage_url: str,
study_name: str,
min_trades: int,
min_win_rate: float,
min_pf: float,
sort_by: str = "pnl",
sampler_name: str = "tpe",
seed: Optional[int] = None,
n_jobs: int = 1,
show_progress: bool = True,
) -> optuna.Study:
study = optuna.create_study(
study_name=study_name,
storage=storage_url,
load_if_exists=True,
direction="maximize",
sampler=_make_sampler(sampler_name, seed),
)
def objective(trial: optuna.Trial) -> float:
combo = suggest_breakout_params(trial, ctx.mode)
result = evaluate_breakout_param_combo(
combo,
base_fixed=ctx.base_fixed,
grid_keys=ctx.grid_keys,
codes_candles=ctx.codes_candles,
min_trades=min_trades,
min_win_rate=min_win_rate,
min_pf=min_pf,
universe_by_slot=ctx.universe_by_slot,
slot_money=ctx.slot_money,
max_stocks=ctx.max_stocks,
total_budget_krw=ctx.total_budget_krw,
fee_rate=ctx.fee_rate,
sell_tax=ctx.sell_tax,
period_days=ctx.period_days,
cache_holder=ctx.cache_holder,
ticks_by_code=ctx.ticks_by_code,
orderbook_by_code=ctx.orderbook_by_code,
program_by_code=ctx.program_by_code,
log_verdict_by_code=ctx.log_verdict_by_code,
share_denom_by_code=ctx.share_denom_by_code,
)
if result is None:
trial.set_user_attr("gates_ok", False)
return _FAIL_OBJECTIVE
obj = float(result["win_rate"]) if sort_by == "win_rate" else float(result["total_pnl"])
trial.set_user_attr("gates_ok", True)
trial.set_user_attr("total_pnl", float(result["total_pnl"]))
trial.set_user_attr("win_rate", float(result["win_rate"]))
trial.set_user_attr("pf", float(result.get("pf") or 0))
trial.set_user_attr("total_trades", int(result["total_trades"]))
trial.set_user_attr("merged_json", json.dumps(result.get("merged_params") or {}, ensure_ascii=False))
return obj
logger.info("🔬 Optuna BREAKOUT | study=%s | trials=%d", study_name, n_trials)
t0 = time.time()
study.optimize(objective, n_trials=n_trials, n_jobs=n_jobs, show_progress_bar=show_progress)
elapsed = time.time() - t0
passing: List[Dict[str, Any]] = []
for trial in study.trials:
if trial.state != optuna.trial.TrialState.COMPLETE:
continue
if not trial.user_attrs.get("gates_ok"):
continue
merged_raw = trial.user_attrs.get("merged_json") or "{}"
try:
merged = json.loads(merged_raw)
except json.JSONDecodeError:
merged = dict(trial.params)
passing.append({
"params": dict(trial.params),
"merged_params": merged,
"total_trades": int(trial.user_attrs.get("total_trades") or 0),
"win_rate": float(trial.user_attrs.get("win_rate") or 0),
"total_pnl": float(trial.user_attrs.get("total_pnl") or 0),
"pf": float(trial.user_attrs.get("pf") or 0),
"optuna_trial_number": trial.number,
})
if sort_by == "win_rate":
passing.sort(key=lambda r: (-r["win_rate"], -r["total_pnl"]))
else:
passing.sort(key=lambda r: (-r["total_pnl"], -r["win_rate"]))
profitable = [r for r in passing if r["total_pnl"] > 0]
if profitable:
passing = profitable
hints: Dict[str, str] = {}
out_data = {
"engine": "optuna",
"strategy": "breakout",
"mode": ctx.mode,
"start": ctx.start,
"end": ctx.end,
"slot_money": int(ctx.slot_money),
"max_stocks": ctx.max_stocks,
"total_budget_krw": int(ctx.total_budget_krw),
"backtest_days": ctx.period_days,
"min_trades": min_trades,
"min_win_rate": min_win_rate,
"min_pf": min_pf,
"sort_by": sort_by,
"grid_keys": ctx.grid_keys,
"grid_axis_hints": {k: hints[k] for k in ctx.grid_keys if k in hints},
"optuna_study_name": study_name,
"optuna_storage": storage_url,
"optuna_n_trials_requested": n_trials,
"optuna_trials_completed": len(study.trials),
"optuna_best_value": study.best_value if study.best_trial else None,
"optuna_best_trial_number": study.best_trial.number if study.best_trial else None,
"elapsed_sec": round(elapsed, 1),
"results": passing[:5000],
}
ts = datetime.now().strftime("%Y%m%d_%H%M%S")
out_path = os.path.join(_results_dir_for_write(), f"optuna_breakout_{ctx.mode}_{ts}.json")
with open(out_path, "w", encoding="utf-8") as f:
json.dump(out_data, f, indent=2, ensure_ascii=False)
logger.info("💾 Optuna 결과 저장: %s", out_path)
study._kis_export_path = out_path # type: ignore[attr-defined]
return study
def apply_best_breakout_trial(study: optuna.Study) -> bool:
if not study.best_trial or study.best_value <= _FAIL_OBJECTIVE + 1:
logger.warning("⚠️ 적용할 best trial 없음")
return False
pnl = float(study.best_trial.user_attrs.get("total_pnl") or 0)
if pnl <= 0:
logger.warning("⚠️ Best trial 총손익 ≤ 0 — DB 미적용")
return False
merged = json.loads(study.best_trial.user_attrs.get("merged_json") or "{}")
apply_params_to_db(merged)
logger.info("🚀 [Optuna apply-best] breakout trial #%d → env_config", study.best_trial.number)
return True