buy_and_hold

{
  "id": 1,
  "notes": "演示买入持有参数，不构成投资建议。",
  "allow_t0": false,
  "end_date": "2026-07-17",
  "is_active": true,
  "is_sandbox": true,
  "start_date": "2023-07-17",
  "allow_short": false,
  "price_field": "adjusted_close/adjusted_open",
  "initial_cash": 100000,
  "cash_currency": "CNY",
  "slippage_rate": 0.0005,
  "strategy_name": "buy_and_hold",
  "strategy_type": "DEMO",
  "universe_name": "A_DAILY_BARS_100",
  "allow_leverage": false,
  "benchmark_code": "000300.SH",
  "stamp_tax_sell": 0.001,
  "commission_rate": 0.0003,
  "max_position_count": 1,
  "parameter_set_code": "BT_PARAM_BUY_AND_HOLD_000001_V1",
  "rebalance_frequency": "NONE",
  "strategy_parameters": {
    "mode": "buy_and_hold",
    "symbols": [
      "000001.SZ"
    ]
  },
  "execution_price_rule": "next_trade_day_adjusted_open",
  "adjusted_data_version": "ADJ_A_100_QFQ_20260717_V1"
}