423 lines
16 KiB
Python
423 lines
16 KiB
Python
#!/usr/bin/env python3
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"""kis_trader/backtest/optuna_breakout.py — 돌파 Optuna (Grid add-on)."""
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from __future__ import annotations
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import json
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import logging
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import os
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import time
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from dataclasses import dataclass, field
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from datetime import datetime
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from typing import Any, Dict, List, Optional
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import optuna
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from optuna.samplers import RandomSampler, TPESampler
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from database import TradeDB
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from kis_trader.backtest import breakout_backtest_common as bbc
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from kis_trader.backtest.optuna_search_space import breakout_grid_axis_keys, suggest_breakout_params
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from kis_trader.backtest.param_search_breakout import (
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_bo_fixed_defaults,
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_load_candles_for_search,
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_breakout_grids,
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_ui_to_engine_params,
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apply_params_to_db,
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evaluate_breakout_param_combo,
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)
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from kis_trader.backtest.param_search_cli_common import (
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apply_session_to_fixed,
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combo_passes_search_filters,
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format_session_hm,
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)
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from kis_trader.backtest.tail_param_search import _results_dir_for_write
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from kis_trader.strategies.breakout import breakout_backtest_wants_tick_replay, breakout_entry_mode
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from kis_trader.engine.indicator_cache import attach_indicator_caches_to_params
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from kis_trader.backtest.breakout_tick_loader import load_breakout_ticks_by_code
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from kis_trader.utils.env import get_env_bool
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logger = logging.getLogger("param_search_optuna")
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_FAIL_OBJECTIVE = -1e18
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@dataclass
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class BreakoutSearchContext:
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start: str
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end: str
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mode: str
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base_fixed: Dict[str, Any]
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codes_candles: Dict[str, List[Dict]]
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universe_by_slot: Optional[Dict[str, List[str]]]
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ticks_by_code: Any
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orderbook_by_code: Dict[str, Any]
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program_by_code: Dict[str, Any]
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log_verdict_by_code: Dict[str, Any]
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share_denom_by_code: Dict[str, float]
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fee_rate: float
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sell_tax: float
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slot_money: float
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max_stocks: int
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total_budget_krw: float
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period_days: int
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portfolio: Dict[str, Any]
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grid_keys: List[str]
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start_key: str
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end_key: str
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cache_holder: Dict[str, Any] = field(default_factory=dict)
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shared_tick_store: Any = None # ws_ticks 공유메모리 핸들 (종료 시 unlink)
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def prepare_breakout_search_context(
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start: str,
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end: str,
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mode: str,
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*,
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use_fallback_universe: bool = False,
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time_start_hm: Optional[int] = None,
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time_end_hm: Optional[int] = None,
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slot_money: Optional[float] = None,
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max_stocks: Optional[int] = None,
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total_budget_krw: Optional[float] = None,
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orderbook_filter: str = "off",
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) -> Optional[BreakoutSearchContext]:
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grids = _breakout_grids()
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if mode not in grids:
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logger.error("❌ 돌파 mode: %s (fast/coarse/fine/full)", mode)
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return None
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base_fixed = _bo_fixed_defaults()
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apply_session_to_fixed(base_fixed, time_start_hm=time_start_hm, time_end_hm=time_end_hm)
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_ob_mode = (orderbook_filter or "off").strip().lower()
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if _ob_mode == "off":
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base_fixed["_orderbook_filter_enabled"] = False
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elif _ob_mode == "on":
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base_fixed["_orderbook_filter_enabled"] = True
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ob_filter_on = bool(base_fixed.get("_orderbook_filter_enabled")) or _ob_mode == "auto"
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logger.info(
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"📌 호가필터: %s (%s)",
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_ob_mode.upper(),
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"적용" if ob_filter_on else "스킵 — 코어 파라미터 순수 탐색",
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)
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db = TradeDB()
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try:
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row = db.conn.execute("SELECT * FROM env_config ORDER BY id DESC LIMIT 1").fetchone()
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env_row = dict(row) if row else {}
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finally:
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db.close()
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fee_rate, sell_tax, slot_from_env = bbc.fee_and_slot_from_env(env_row)
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portfolio = bbc.resolve_breakout_portfolio_params(
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env_row, None,
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slot_money=slot_money if slot_money is not None else slot_from_env,
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max_stocks=max_stocks,
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total_budget_krw=total_budget_krw,
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)
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slot_money_f = float(portfolio["slot_money"])
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max_stocks_i = int(portfolio["max_stocks"])
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total_budget_f = float(portfolio["total_budget_krw"])
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period_days = max(
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1,
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(datetime.strptime(end, "%Y-%m-%d") - datetime.strptime(start, "%Y-%m-%d")).days + 1,
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)
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logger.info(
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f"💼 포트폴리오: 1회 {slot_money_f:,.0f}원 | 동시 {max_stocks_i}종 | "
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f"총한도 {total_budget_f:,.0f}원 | 매매 {format_session_hm(base_fixed)}"
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)
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logger.info("📌 진입 모드: %s", breakout_entry_mode())
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codes_candles = _load_candles_for_search(
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start, end, base_fixed.get("lookback_min", 1), base_fixed,
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)
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if not codes_candles:
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logger.error("❌ 캔들 데이터 없음")
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return None
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logger.info("✅ 데이터 로드: %s종목", len(codes_candles))
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share_denom_by_code: Dict[str, float] = {}
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_share_db = TradeDB()
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try:
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from kis_trader.share.stock_share import load_share_denom_map
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share_denom_by_code = load_share_denom_map(_share_db, codes_candles.keys())
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finally:
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_share_db.close()
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start_key = (start.replace("-", "") + "0000") if start else "202601010000"
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end_key = (end.replace("-", "") + "2359") if end else "999912312359"
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start_ymd = start.replace("-", "") if start else ""
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end_ymd = end.replace("-", "") if end else ""
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ticks_by_code: Dict[str, Any] = {}
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engine_probe = _ui_to_engine_params(base_fixed)
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engine_probe["_orderbook_filter_enabled"] = base_fixed.get("_orderbook_filter_enabled")
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if breakout_backtest_wants_tick_replay(engine_probe):
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_tick_db = TradeDB()
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try:
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ticks_by_code, tick_rows = load_breakout_ticks_by_code(
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_tick_db, start_key, end_key, set(codes_candles.keys()),
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)
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logger.info("✅ ws_ticks %s건", f"{tick_rows:,}")
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finally:
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_tick_db.close()
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# ── ws_ticks 공유메모리 (Optuna, opt-in) — dict→numpy 컬럼 shared_memory 로 RAM 절감 ──
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# 끄려면 OPTUNA_PARAM_SEARCH_SHARED_TICKS=0. numpy/shm 미지원·빌드 실패 시 자동 폴백.
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shared_tick_store = None
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if get_env_bool("OPTUNA_PARAM_SEARCH_SHARED_TICKS", True) and ticks_by_code:
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from kis_trader.backtest.shared_ticks import build_shared_ticks_view
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_view, shared_tick_store = build_shared_ticks_view(ticks_by_code, enabled=True)
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if shared_tick_store is not None:
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import atexit as _atexit
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_atexit.register(shared_tick_store.unlink) # 크래시 시 /dev/shm 누수 방지
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logger.info("📦 ws_ticks 공유메모리 ON (Optuna) — dict 사본 제거, RAM 절감")
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ticks_by_code = _view
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import gc as _gc
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_gc.collect()
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try:
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import ctypes as _ctypes
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_ctypes.CDLL("libc.so.6").malloc_trim(0)
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except Exception:
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pass
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grid = grids[mode]
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_ob_axes = ("max_spread_pct", "min_bid_ask_ratio", "ask_wall_max_qty")
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_ob_sweeping = any(len(set(grid.get(k) or [])) > 1 for k in _ob_axes)
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if ob_filter_on and _ob_sweeping:
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base_fixed["backtest_use_kiwoom_body_snapshot"] = True
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base_fixed["_backtest_use_kiwoom_body"] = True
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orderbook_by_code: Dict[str, Any] = {}
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program_by_code: Dict[str, Any] = {}
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log_verdict_by_code: Dict[str, Any] = {}
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_snap_db = TradeDB()
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try:
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from kis_trader.backtest.trigger_snapshot_loader import load_trigger_snapshots_by_code
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orderbook_by_code, program_by_code, trigger_snap_meta = load_trigger_snapshots_by_code(
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_snap_db, start_key, end_key, set(codes_candles.keys()),
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engine_params=engine_probe, strategy="BREAKOUT",
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)
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log_verdict_by_code = trigger_snap_meta.get("log_verdict_by_code") or {}
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finally:
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_snap_db.close()
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universe_by_slot = None
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fallback_sim_interval = 5
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if not use_fallback_universe and start_ymd and end_ymd:
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try:
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from kis_trader.database.db_manager import get_db as _get_ext_db
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_ext = _get_ext_db()
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history = _ext.get_universe_by_candle_time(
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strategy_id="BREAKOUT", start_ymd=start_ymd, end_ymd=end_ymd,
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)
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if history:
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universe_by_slot = history
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n_bins = len(history)
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avg = sum(len(v) for v in history.values()) / max(1, n_bins)
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logger.info("✅ 유니버스: BREAKOUT 이력 | %s분봉 · 평균 %.1f종목", n_bins, avg)
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except Exception as exc:
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logger.debug("유니버스 이력 스킵: %s", exc)
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if universe_by_slot is None:
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from kis_trader.engine import scalping_engine as se
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universe_top_n = int(os.environ.get("UPDATE_UNIVERSE_TOP_N", "20"))
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universe_min_score = float(os.environ.get("UPDATE_UNIVERSE_MIN_SCORE", "4.0"))
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universe_by_slot = se.build_universe_simulation(
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codes_candles,
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top_n=universe_top_n,
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min_score=universe_min_score,
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scan_interval_min=fallback_sim_interval,
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)
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base_fixed["scan_interval_min"] = fallback_sim_interval
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logger.info("📌 유니버스: 시뮬 fallback (%d분)", fallback_sim_interval)
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else:
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base_fixed["scan_interval_min"] = 1
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cache_holder: Dict[str, Any] = {}
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attach_indicator_caches_to_params(cache_holder, codes_candles)
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return BreakoutSearchContext(
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start=start,
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end=end,
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mode=mode,
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base_fixed=base_fixed,
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codes_candles=codes_candles,
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universe_by_slot=universe_by_slot,
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ticks_by_code=ticks_by_code,
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orderbook_by_code=orderbook_by_code,
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program_by_code=program_by_code,
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log_verdict_by_code=log_verdict_by_code,
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share_denom_by_code=share_denom_by_code,
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fee_rate=fee_rate,
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sell_tax=sell_tax,
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slot_money=slot_money_f,
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max_stocks=max_stocks_i,
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total_budget_krw=total_budget_f,
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period_days=period_days,
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portfolio=portfolio,
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grid_keys=breakout_grid_axis_keys(mode),
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start_key=start_key,
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end_key=end_key,
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cache_holder=cache_holder,
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shared_tick_store=shared_tick_store,
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)
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def _make_sampler(name: str, seed: Optional[int]):
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n = (name or "tpe").strip().lower()
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if n == "random":
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return RandomSampler(seed=seed)
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return TPESampler(seed=seed, multivariate=True)
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def run_breakout_optuna(
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ctx: BreakoutSearchContext,
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*,
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n_trials: int,
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storage_url: str,
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study_name: str,
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min_trades: int,
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min_win_rate: float,
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min_pf: float,
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sort_by: str = "pnl",
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sampler_name: str = "tpe",
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seed: Optional[int] = None,
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n_jobs: int = 1,
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show_progress: bool = True,
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) -> optuna.Study:
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study = optuna.create_study(
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study_name=study_name,
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storage=storage_url,
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load_if_exists=True,
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direction="maximize",
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sampler=_make_sampler(sampler_name, seed),
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)
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def objective(trial: optuna.Trial) -> float:
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combo = suggest_breakout_params(trial, ctx.mode)
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result = evaluate_breakout_param_combo(
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combo,
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base_fixed=ctx.base_fixed,
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grid_keys=ctx.grid_keys,
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codes_candles=ctx.codes_candles,
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min_trades=min_trades,
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min_win_rate=min_win_rate,
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min_pf=min_pf,
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universe_by_slot=ctx.universe_by_slot,
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slot_money=ctx.slot_money,
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max_stocks=ctx.max_stocks,
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total_budget_krw=ctx.total_budget_krw,
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fee_rate=ctx.fee_rate,
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sell_tax=ctx.sell_tax,
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period_days=ctx.period_days,
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cache_holder=ctx.cache_holder,
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ticks_by_code=ctx.ticks_by_code,
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orderbook_by_code=ctx.orderbook_by_code,
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program_by_code=ctx.program_by_code,
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log_verdict_by_code=ctx.log_verdict_by_code,
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share_denom_by_code=ctx.share_denom_by_code,
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)
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if result is None:
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trial.set_user_attr("gates_ok", False)
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return _FAIL_OBJECTIVE
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obj = float(result["win_rate"]) if sort_by == "win_rate" else float(result["total_pnl"])
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trial.set_user_attr("gates_ok", True)
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trial.set_user_attr("total_pnl", float(result["total_pnl"]))
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trial.set_user_attr("win_rate", float(result["win_rate"]))
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trial.set_user_attr("pf", float(result.get("pf") or 0))
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trial.set_user_attr("total_trades", int(result["total_trades"]))
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trial.set_user_attr("merged_json", json.dumps(result.get("merged_params") or {}, ensure_ascii=False))
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return obj
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logger.info("🔬 Optuna BREAKOUT | study=%s | trials=%d", study_name, n_trials)
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t0 = time.time()
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try:
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study.optimize(objective, n_trials=n_trials, n_jobs=n_jobs, show_progress_bar=show_progress)
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finally:
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# 탐색 종료(또는 예외) 시 공유메모리 즉시 해제 (atexit 는 크래시 대비 이중 안전장치).
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_store = getattr(ctx, "shared_tick_store", None)
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if _store is not None:
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try:
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_store.unlink()
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except Exception:
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pass
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ctx.shared_tick_store = None
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elapsed = time.time() - t0
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passing: List[Dict[str, Any]] = []
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for trial in study.trials:
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if trial.state != optuna.trial.TrialState.COMPLETE:
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continue
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if not trial.user_attrs.get("gates_ok"):
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continue
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merged_raw = trial.user_attrs.get("merged_json") or "{}"
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try:
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merged = json.loads(merged_raw)
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except json.JSONDecodeError:
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merged = dict(trial.params)
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passing.append({
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"params": dict(trial.params),
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"merged_params": merged,
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"total_trades": int(trial.user_attrs.get("total_trades") or 0),
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"win_rate": float(trial.user_attrs.get("win_rate") or 0),
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"total_pnl": float(trial.user_attrs.get("total_pnl") or 0),
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"pf": float(trial.user_attrs.get("pf") or 0),
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"optuna_trial_number": trial.number,
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})
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if sort_by == "win_rate":
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passing.sort(key=lambda r: (-r["win_rate"], -r["total_pnl"]))
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else:
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passing.sort(key=lambda r: (-r["total_pnl"], -r["win_rate"]))
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profitable = [r for r in passing if r["total_pnl"] > 0]
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if profitable:
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passing = profitable
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hints: Dict[str, str] = {}
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out_data = {
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"engine": "optuna",
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"strategy": "breakout",
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"mode": ctx.mode,
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"start": ctx.start,
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"end": ctx.end,
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"slot_money": int(ctx.slot_money),
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"max_stocks": ctx.max_stocks,
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"total_budget_krw": int(ctx.total_budget_krw),
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"backtest_days": ctx.period_days,
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"min_trades": min_trades,
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"min_win_rate": min_win_rate,
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"min_pf": min_pf,
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"sort_by": sort_by,
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"grid_keys": ctx.grid_keys,
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"grid_axis_hints": {k: hints[k] for k in ctx.grid_keys if k in hints},
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"optuna_study_name": study_name,
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"optuna_storage": storage_url,
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"optuna_n_trials_requested": n_trials,
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"optuna_trials_completed": len(study.trials),
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"optuna_best_value": study.best_value if study.best_trial else None,
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"optuna_best_trial_number": study.best_trial.number if study.best_trial else None,
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"elapsed_sec": round(elapsed, 1),
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"results": passing[:5000],
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}
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ts = datetime.now().strftime("%Y%m%d_%H%M%S")
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out_path = os.path.join(_results_dir_for_write(), f"optuna_breakout_{ctx.mode}_{ts}.json")
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with open(out_path, "w", encoding="utf-8") as f:
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json.dump(out_data, f, indent=2, ensure_ascii=False)
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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
|