Files
kis_bot/kis_trader/backtest/optuna_breakout.py
Your Name 0780b2cdd0 feat: Enhance Optuna integration and logging for backtesting framework
Changes:
- Added new API endpoints for continuing and confirming Optuna jobs, allowing for better management of ongoing studies.
- Introduced detailed logging for tick feed tracking and order book processing, improving traceability of vendor performance during backtests.
- Updated database schema to include new fields for managing Optuna study results, enhancing the ability to track study progress and outcomes.
- Refactored existing functions to utilize the new logging and tracking features, ensuring consistency across the backtesting framework.

Impact:
- These enhancements improve the robustness and transparency of the Optuna backtesting process, facilitating better analysis and optimization of trading strategies.
2026-08-21 19:05:23 +09:00

557 lines
22 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.optuna_breakout_tpe_space import (
breakout_tpe_axis_keys,
normalize_tpe_breakout_sl_mode,
suggest_breakout_params_tpe,
)
from kis_trader.backtest.optuna_mode_combo import enrich_out_data_with_mode_combo
from kis_trader.backtest.optuna_common import (
announce_optuna_json_path,
build_optuna_result_tiers,
pick_gated_apply_trial,
release_shared_tick_store,
set_optuna_trial_stability_attrs,
stability_fields_from_trial_attrs,
)
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
from kis_trader.utils.env import get_env_bool
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)
shared_tick_store: Any = None # ws_ticks 공유메모리 핸들 (종료 시 unlink)
tpe_sl_mode: str = "fixed" # TPE 고정 손절모드(탐색 축 아님)
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",
history_source: Optional[str] = None,
sl_mode: Optional[str] = None,
) -> Optional[BreakoutSearchContext]:
grids = _breakout_grids()
# tpe = 연속 Optuna 전용 (Grid 메뉴 미사용)
if mode == "tpe":
grid: Dict[str, Any] = {}
logger.info(
"📌 mode=tpe — 연속(float/int) 탐색 (Grid categorical 미사용, TPE 가 구간 축소)"
)
elif mode not in grids:
logger.error("❌ 돌파 mode: %s (fast/coarse/fine/wide/full/tpe)", mode)
return None
else:
grid = grids[mode]
base_fixed = _bo_fixed_defaults()
if mode == "tpe":
base_fixed["skip_hts_scan_dupes"] = False
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:
from kis_trader.backtest.backtest_portfolio_common import load_portfolio_env_row
env_row = load_portfolio_env_row(db)
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())
tpe_sl_mode = "fixed"
if mode == "tpe":
tpe_sl_mode = normalize_tpe_breakout_sl_mode(sl_mode)
base_fixed["sl_mode"] = tpe_sl_mode
logger.info(
"📌 TPE 손절모드 고정: %s (탐색 축 아님 · atr_sl_*/sl_pct 중 해당만)",
tpe_sl_mode,
)
from kis_trader.backtest.universe_history_source import (
resolve_backtest_universe_history_source,
)
_hs = resolve_backtest_universe_history_source(history_source)
base_fixed["_universe_history_source"] = _hs
try:
from kis_trader.backtest.optuna_feed_trace import log_bt_feed_chain_banner
log_bt_feed_chain_banner(context="Optuna-BREAKOUT")
except Exception:
pass
codes_candles = _load_candles_for_search(
start, end, base_fixed.get("lookback_min", 1), base_fixed,
history_source=_hs,
)
if not codes_candles:
logger.error("❌ 캔들 데이터 없음")
return None
logger.info("✅ 데이터 로드: %s종목 (history=%s)", len(codes_candles), _hs)
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:
if _hs in ("ls", "ls_condition", "ls_ws"):
from kis_trader.backtest.ls_history_loaders import load_ls_ticks_by_code
ticks_by_code, tick_rows = load_ls_ticks_by_code(
_tick_db, start_key, end_key, set(codes_candles.keys()),
)
logger.info("✅ ls_ws_ticks %s", f"{tick_rows:,}")
else:
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()
# ── ws_ticks 공유메모리 (Optuna, opt-in) — dict→numpy 컬럼 shared_memory 로 RAM 절감 ──
# 끄려면 OPTUNA_PARAM_SEARCH_SHARED_TICKS=0. numpy/shm 미지원·빌드 실패 시 자동 폴백.
shared_tick_store = None
if get_env_bool("OPTUNA_PARAM_SEARCH_SHARED_TICKS", True) and ticks_by_code:
from kis_trader.backtest.shared_ticks import build_shared_ticks_view
_view, shared_tick_store = build_shared_ticks_view(ticks_by_code, enabled=True)
if shared_tick_store is not None:
import atexit as _atexit
_atexit.register(shared_tick_store.unlink) # 크래시 시 /dev/shm 누수 방지
logger.info("📦 ws_ticks 공유메모리 ON (Optuna) — dict 사본 제거, RAM 절감")
ticks_by_code = _view
import gc as _gc
_gc.collect()
try:
import ctypes as _ctypes
_ctypes.CDLL("libc.so.6").malloc_trim(0)
except Exception:
pass
# grid 는 상단에서 mode별 설정 (tpe=빈 dict). grids[mode] 재조회 금지.
_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.backtest.breakout_backtest_common import resolve_breakout_universe
history, src, n_bins, _scan_iv = resolve_breakout_universe(
start_ymd, end_ymd, use_saved_history=True,
history_source=_hs,
)
if history:
universe_by_slot = history
avg = sum(len(v) for v in history.values()) / max(1, n_bins)
logger.info(
"✅ 유니버스: BREAKOUT 이력 src=%s | %s분봉 · 평균 %.1f종목",
src, 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_tpe_axis_keys(tpe_sl_mode) if mode == "tpe" else breakout_grid_axis_keys(mode),
start_key=start_key,
end_key=end_key,
cache_holder=cache_holder,
shared_tick_store=shared_tick_store,
tpe_sl_mode=tpe_sl_mode,
)
def _make_sampler(name: str, seed: Optional[int]):
n = (name or "tpe").strip().lower()
if n == "random":
return RandomSampler(seed=seed)
# multivariate TPE + 조건부 suggest 시 independent sampling 경고가 trial마다 폭주 → 억제
return TPESampler(seed=seed, multivariate=True, warn_independent_sampling=False)
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),
)
from kis_trader.backtest.optuna_study_store import bind_study_trials, finalize_optuna_export
bind_study_trials(study, n_trials=n_trials, log=logger)
def objective(trial: optuna.Trial) -> float:
if ctx.mode == "tpe":
combo = suggest_breakout_params_tpe(trial, sl_mode=ctx.tpe_sl_mode)
else:
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))
set_optuna_trial_stability_attrs(trial, result)
return obj
logger.info("🔬 Optuna BREAKOUT | study=%s | trials=%d", study_name, n_trials)
t0 = time.time()
try:
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)
row = {
"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,
}
row.update(stability_fields_from_trial_attrs(trial))
passing.append(row)
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"]))
tiers = build_optuna_result_tiers(passing, sort_by=sort_by)
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),
**tiers,
}
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)
announce_optuna_json_path(
out_path, strategy="breakout", mode=ctx.mode, note="중간저장(mode 전)", log=logger,
)
def _eval_mode(combo: Dict[str, Any]) -> Optional[Dict[str, Any]]:
return evaluate_breakout_param_combo(
combo,
base_fixed=ctx.base_fixed,
grid_keys=ctx.grid_keys,
codes_candles=ctx.codes_candles,
min_trades=1,
min_win_rate=0.0,
min_pf=0.0,
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,
include_trades=True,
)
def _save_partial(_data: Dict[str, Any]) -> None:
with open(out_path, "w", encoding="utf-8") as f:
json.dump(_data, f, indent=2, ensure_ascii=False)
announce_optuna_json_path(
out_path, strategy="breakout", mode=ctx.mode, note="mode_combo params 저장(실측 전)", log=logger,
)
def _enrich() -> None:
enrich_out_data_with_mode_combo(
out_data,
evaluate_fn=_eval_mode,
grid_keys=ctx.grid_keys,
log=logger,
on_partial_save=_save_partial,
)
with open(out_path, "w", encoding="utf-8") as f:
json.dump(out_data, f, indent=2, ensure_ascii=False)
announce_optuna_json_path(
out_path, strategy="breakout", mode=ctx.mode, note="최종 JSON", log=logger,
)
finalize_optuna_export(
study,
out_data=out_data,
out_path=out_path,
strategy="breakout",
mode=ctx.mode,
enrich_fn=_enrich,
log=logger,
)
study._kis_export_path = out_path # type: ignore[attr-defined]
return study
finally:
release_shared_tick_store(ctx, log=logger)
def apply_best_breakout_trial(study: optuna.Study) -> bool:
trial = pick_gated_apply_trial(study, sort_by="pnl", fail_objective=_FAIL_OBJECTIVE)
if trial is None:
logger.warning(
"⚠️ 사후게이트(results_gated) 통과 trial 없음 — DB 미적용"
)
return False
pnl = float(trial.user_attrs.get("total_pnl") or 0)
if pnl <= 0:
logger.warning("⚠️ gated trial 총손익 ≤ 0 — DB 미적용")
return False
merged = json.loads(trial.user_attrs.get("merged_json") or "{}")
apply_params_to_db(merged)
logger.info("🚀 [Optuna apply-best] breakout gated trial #%d → env_config", trial.number)
try:
from kis_trader.backtest.optuna_daily_trail_recommend import (
apply_daily_trail_recommend_from_optuna_json,
)
apply_daily_trail_recommend_from_optuna_json(
getattr(study, "_kis_export_path", None),
strategy="breakout",
log=logger,
)
except Exception as exc:
logger.warning("⚠️ 다단트레일 추천 반영 스킵: %s", exc)
return True