{ "candidate_backtest_assumed_round_trip_cost": 0.003, "candidate_backtest_trade_count": 296, "created_at": "2026-10-05T15:00:00.347Z", "embargo_bars": 20, "interval": "1m", "label_horizons_bars": [ 1, 5, 20 ], "name": "m", "provider": "Toss Securities Open API", "rows_all": 59000, "rows_test": 8561, "rows_train": 41031, "rows_validation": 8588, "supplemental_api_record_rows": 108653, "supplemental_stock_rows": 15, "symbols": [ "000660", "004540", "005930", "010170", "017800", "020180", "053210", "095570", "145170", "208140", "289010", "AAPL", "AMD", "MSFT", "TSLA" ] }