Files
kis_bot/kis_trader/backtest/scalping_backtest_common.py
2026-07-30 18:05:07 +09:00

405 lines
15 KiB
Python

#!/usr/bin/env python3
"""
스캘핑·모멘텀 백테스트 공통 로더 — backtest_web / param_search 가
동일한 캔들·유니버스·손익 계산을 쓰도록 단일 진입점.
"""
from __future__ import annotations
from datetime import datetime
from typing import Any, Dict, List, Optional, Tuple
from kis_trader.backtest.backtest_portfolio_common import (
attach_scalp_trade_pnl,
backtest_slip_pct,
build_budget_warning,
fee_and_slot_from_env_row,
merge_portfolio_into_params,
min_invest_ratio_of_slot,
resolve_portfolio_params,
summarize_trades,
)
from kis_trader.backtest.breakout_tick_loader import (
load_breakout_ticks_by_code,
tick_coverage_stats,
)
from kis_trader.engine import scalping_engine as se
from kis_trader.engine.tick_exit_common import strategy_use_tick_exit
from kis_trader.utils.env import get_env_bool
SCALP_STRATEGY_ID = "SCALP"
MOMENTUM_STRATEGY_ID = "MOMENTUM"
def date_keys(start: str, end: str) -> Tuple[str, str, str, str]:
"""YYYY-MM-DD → candle_time 키 및 ymd."""
start_key = start.replace("-", "") + "0000"
end_key = end.replace("-", "") + "2359"
return start_key, end_key, start_key[:8], end_key[:8]
def resolve_scalp_universe(
start_ymd: str,
end_ymd: str,
*,
use_saved_history: bool,
strategy_id: str = SCALP_STRATEGY_ID,
history_source: str = "kiwoom",
) -> Tuple[Optional[Dict[str, List[str]]], str, int, int]:
"""
backtest_web 유니버스 해석과 동일.
Returns:
(universe_by_slot, source_label, history_slot_count, scan_interval_min)
"""
if use_saved_history and strategy_id:
try:
from kis_trader.database.db_manager import get_db as _get_ext_db
from kis_trader.backtest.universe_history_source import (
history_source_label,
resolve_backtest_universe_history_source,
)
debounce_sec = scalp_universe_exit_debounce_sec()
hs = resolve_backtest_universe_history_source(history_source)
history = _get_ext_db().get_universe_by_candle_time(
strategy_id=strategy_id,
start_ymd=start_ymd,
end_ymd=end_ymd,
exit_debounce_sec=debounce_sec,
history_source=hs,
)
if history:
return history, history_source_label(hs), len(history), 1
except Exception:
pass
return None, "all", 0, 1
def scalp_universe_exit_debounce_sec() -> int:
"""실매 ``CONDITION_EXIT_GRACE_SEC`` 정합 — 스냅샷 축소 시 N초 유지."""
from kis_trader.backtest.universe_timeline import universe_exit_debounce_sec_for_strategy
return universe_exit_debounce_sec_for_strategy("SCALP")
def scalp_backtest_candle_warmup_bars() -> int:
"""백테 RSI 등 warm-up — 실매 봉 버퍼와 같이 기간 시작 전 N봉 prepend."""
from kis_trader.utils.env import get_env_int
return max(0, int(get_env_int("SCALP_BACKTEST_CANDLE_WARMUP_BARS", 50)))
def prepend_scalp_candle_warmup(
db,
candles_by_code: Dict[str, List[Dict]],
period_start_key: str,
*,
warmup_bars: Optional[int] = None,
history_source: str = "kiwoom",
) -> int:
"""
``period_start_key``(YYYYMMDDHHMM) 이전 N봉을 종목별로 prepend.
RSI 판별용 — 포트폴리오 all_times 는 ``_backtest_period_start_key`` 로 기간만 사용.
"""
wb = (
scalp_backtest_candle_warmup_bars()
if warmup_bars is None
else max(0, int(warmup_bars))
)
if wb <= 0 or db is None or not period_start_key:
return 0
hs = str(history_source or "kiwoom").strip().lower()
if hs in ("ls", "ls_condition", "ls_ws"):
from kis_trader.backtest.ls_history_loaders import prepend_ls_candle_warmup
return prepend_ls_candle_warmup(
db, candles_by_code, str(period_start_key)[:12], wb,
)
ps = str(period_start_key)[:12]
total_prepended = 0
for code, rows in list(candles_by_code.items()):
if not rows:
continue
first_period_idx = None
for i, r in enumerate(rows):
ct = str(r.get("candle_time") or "")
if ct >= ps:
first_period_idx = i
break
if first_period_idx is None:
continue
# 이미 기간 전 봉이 있으면 skip (idempotent)
if first_period_idx > 0:
continue
first_ct = str(rows[first_period_idx].get("candle_time") or "")
if not first_ct:
continue
warm_rows = db.conn.execute(
"SELECT candle_time, open, high, low, close, volume "
"FROM ws_candles WHERE timeframe=1 AND code=%s "
"AND candle_time < %s AND is_confirmed=1 "
"ORDER BY candle_time DESC LIMIT %s",
[code, first_ct, wb],
).fetchall()
if not warm_rows:
continue
prefix = [dict(r) for r in reversed(warm_rows)]
candles_by_code[code] = prefix + [dict(r) for r in rows]
total_prepended += len(prefix)
return total_prepended
def load_scalp_candles_by_code(
db,
start_key: str,
end_key: str,
rsi_period: int = 3,
*,
history_source: str = "kiwoom",
) -> Tuple[Dict[str, List[Dict]], int]:
"""1분봉 전 종목 로드 (+ 웜업). history_source=ls → ls_ws_candles."""
min_bars = int(rsi_period) + 5
hs = str(history_source or "kiwoom").strip().lower()
if hs in ("ls", "ls_condition", "ls_ws"):
from kis_trader.backtest.ls_history_loaders import load_ls_candles_by_code
candles_by_code, total_candles = load_ls_candles_by_code(
db, start_key, end_key, min_bars=min_bars,
)
prepend_scalp_candle_warmup(
db, candles_by_code, str(start_key)[:12], history_source="ls",
)
return candles_by_code, total_candles
codes_raw = db.conn.execute(
"SELECT DISTINCT code FROM ws_candles WHERE timeframe=1 "
"AND candle_time >= %s AND candle_time <= %s ORDER BY code",
[start_key, end_key],
).fetchall()
codes = [r["code"] for r in codes_raw]
candles_by_code: Dict[str, List[Dict]] = {}
total_candles = 0
for code in codes:
rows = db.conn.execute(
"SELECT candle_time, open, high, low, close, volume "
"FROM ws_candles WHERE timeframe=1 AND code=%s "
"AND candle_time >= %s AND candle_time <= %s AND is_confirmed=1 "
"ORDER BY candle_time ASC",
[code, start_key, end_key],
).fetchall()
if len(rows) < min_bars:
continue
candles_by_code[code] = [dict(r) for r in rows]
total_candles += len(rows)
prepend_scalp_candle_warmup(db, candles_by_code, str(start_key)[:12])
return candles_by_code, total_candles
def _scalp_backtest_wants_ticks(params: Optional[Dict[str, Any]] = None) -> bool:
"""청산·진입 틱 재생이 필요한지 (기본 ON)."""
if strategy_use_tick_exit(params, "SCALP_BACKTEST_USE_TICK_EXIT", default=True):
return True
if params is not None and params.get("backtest_use_tick_entry") is not None:
return se._to_bool(params.get("backtest_use_tick_entry"), True)
return get_env_bool("SCALP_BACKTEST_USE_TICK_ENTRY", True)
def run_scalping_backtest_web_aligned(
candles_by_code: Dict[str, List[Dict]],
params: Dict[str, Any],
universe_by_slot: Optional[Dict[str, List[str]]],
*,
slot_money: float,
fee_rate: float,
sell_tax: float,
max_stocks: Optional[int] = None,
total_budget_krw: Optional[float] = None,
meta_out: Optional[Dict[str, Any]] = None,
mode: str = "reversal",
ticks_by_code: Optional[Dict[str, Dict[str, List[Dict]]]] = None,
) -> List[Dict]:
"""엔진 1회 + 웹과 동일 손익 부착 (reversal / momentum)."""
engine_params = dict(params)
engine_params["slot_money"] = float(slot_money)
if max_stocks is not None:
engine_params["max_stocks"] = int(max_stocks)
if total_budget_krw is not None:
tb = float(total_budget_krw)
engine_params["total_budget_krw"] = tb if tb > 0 else float(
int(engine_params.get("max_stocks") or 3) * slot_money
)
if universe_by_slot is not None:
engine_params.setdefault("scan_interval_min", 1)
engine_params.setdefault("portfolio_mode", True)
# 기간 시작 키 — 웜업 봉이 all_times 에 섞이지 않도록 (돌파·모멘텀과 동일)
_sk_w = str((meta_out or {}).get("start_key") or "")[:12]
if _sk_w:
engine_params["_backtest_period_start_key"] = _sk_w
_db_w = (meta_out or {}).get("db")
if _db_w is not None and str(mode).strip().lower() != "momentum":
_hs_w = str(
engine_params.get("_universe_history_source")
or engine_params.get("universe_history_source")
or (meta_out or {}).get("universe_history_source")
or "kiwoom"
).strip().lower()
prepend_scalp_candle_warmup(
_db_w, candles_by_code, _sk_w, history_source=_hs_w,
)
from kis_trader.backtest.backtest_env_timeline import attach_backtest_env_timeline_to_params
attach_backtest_env_timeline_to_params(engine_params, meta_out, "SCALP")
if str(mode).strip().lower() == "momentum":
from kis_trader.backtest import momentum_backtest_common as mbc
trades = mbc.run_momentum_backtest_web_aligned(
candles_by_code, engine_params, universe_by_slot,
slot_money=float(slot_money),
fee_rate=float(fee_rate),
sell_tax=float(sell_tax),
max_stocks=int(engine_params.get("max_stocks") or max_stocks or 3),
total_budget_krw=float(engine_params.get("total_budget_krw") or 0),
meta_out=meta_out,
)
else:
loaded_ticks: Dict[str, Dict[str, List[Dict]]] = dict(ticks_by_code or {})
tick_meta: Dict[str, Any] = {}
if _scalp_backtest_wants_ticks(engine_params):
if not loaded_ticks and meta_out is not None:
start_key = str(meta_out.get("start_key") or "")
end_key = str(meta_out.get("end_key") or "")
db = meta_out.get("db")
if db is None and start_key and end_key:
from kis_trader.backtest.backtest_portfolio_common import ensure_meta_db
db = ensure_meta_db(meta_out)
if db and start_key and end_key:
_hs_tick = str(
engine_params.get("_universe_history_source")
or engine_params.get("universe_history_source")
or (meta_out or {}).get("universe_history_source")
or "kiwoom"
).strip().lower()
if _hs_tick in ("ls", "ls_condition", "ls_ws"):
from kis_trader.backtest.ls_history_loaders import (
load_ls_ticks_by_code,
)
loaded_ticks, tick_rows = load_ls_ticks_by_code(
db, start_key, end_key, set(candles_by_code.keys()),
)
_tick_tbl = "ls_ws_ticks"
else:
loaded_ticks, tick_rows = load_breakout_ticks_by_code(
db, start_key, end_key, set(candles_by_code.keys()),
)
_tick_tbl = "ws_ticks"
tick_meta = tick_coverage_stats(candles_by_code, loaded_ticks)
tick_meta["ws_tick_rows_loaded"] = tick_rows
tick_meta["tick_table"] = _tick_tbl
if tick_rows <= 0:
from kis_trader.utils.logger import get_logger as _get_logger
_get_logger("kis_trader.scalping_backtest").warning(
"⚠️ %s 데이터 없음 — SCALP 틱 청산/진입 스킵 "
"(틱 수집 후 재백테 권장, FALLBACK_OHLC=1 시 OHLC)",
_tick_tbl,
)
elif loaded_ticks:
tick_meta = tick_coverage_stats(candles_by_code, loaded_ticks)
tick_meta["ws_tick_rows_loaded"] = sum(
len(lst) for cm in loaded_ticks.values() for lst in cm.values()
)
trades = se.run_scalping_backtest(
candles_by_code, engine_params, universe_by_slot=universe_by_slot,
ticks_by_code=loaded_ticks or None,
)
if meta_out is not None and tick_meta:
from kis_trader.backtest.breakout_tick_loader import enrich_tick_meta_with_traded_codes
tick_meta = enrich_tick_meta_with_traded_codes(
tick_meta, candles_by_code, loaded_ticks, trades,
)
meta_out["tick_backtest"] = tick_meta
if tick_meta.get("ws_tick_rows_loaded", 0) > 0:
meta_out["backtest_buy_source"] = "ws_ticks"
elif _scalp_backtest_wants_ticks(engine_params):
meta_out["backtest_buy_source"] = "ohlc_fallback"
else:
meta_out["backtest_buy_source"] = "align"
if meta_out is not None:
meta_out["universe_exit_debounce_sec"] = scalp_universe_exit_debounce_sec()
meta_out["candle_warmup_bars"] = scalp_backtest_candle_warmup_bars()
attach_scalp_trade_pnl(
trades, fee_rate=fee_rate, sell_tax=sell_tax,
slip_pct=backtest_slip_pct(engine_params),
)
if meta_out is not None and str(mode).strip().lower() != "momentum":
skip_stats = engine_params.get("_portfolio_skip_stats") or {}
meta_out["skip_stats"] = dict(skip_stats)
meta_out["engine_params"] = engine_params
return trades
def resolve_scalp_portfolio_params(
env_row: Optional[Dict[str, Any]],
base_defaults: Optional[Dict[str, Any]] = None,
*,
strategy: str = "SCALP",
slot_money: Optional[float] = None,
max_stocks: Optional[int] = None,
total_budget_krw: Optional[float] = None,
) -> Dict[str, Any]:
"""웹·파라서치 공통 포트폴리오 해석."""
return resolve_portfolio_params(
env_row,
base_defaults,
strategy=strategy,
slot_money=slot_money,
max_stocks=max_stocks,
total_budget_krw=total_budget_krw,
)
def merge_scalp_portfolio_into_params(
params: Dict[str, Any],
portfolio: Dict[str, Any],
) -> Dict[str, Any]:
return merge_portfolio_into_params(params, portfolio)
def build_scalp_budget_warning(
portfolio: Dict[str, Any],
skip_stats: Optional[Dict[str, Any]] = None,
*,
strategy: str = "SCALP",
) -> Optional[str]:
ratio = min_invest_ratio_of_slot({}, strategy=strategy)
return build_budget_warning(portfolio, skip_stats, min_invest_ratio=ratio)
def summarize_scalp_trades(
trades: List[Dict],
*,
total_budget_krw: float,
period_days: int = 1,
) -> Dict[str, Any]:
return summarize_trades(
trades,
total_budget_krw=total_budget_krw,
period_days=period_days,
)
def fee_and_slot_from_env(
row: Optional[Dict[str, Any]],
*,
strategy: str = "SCALP",
) -> Tuple[float, float, float]:
return fee_and_slot_from_env_row(row, strategy=strategy)