{
  "version": "2.1",
  "asOf": "2026-10",
  "currency": "理论代理组合：纳指未计汇率与股息",
  "costs": "未计交易税费、滑点及完整基金成本",
  "irr": "自然月末 ACT/365",
  "drawdown": "剔除新增本金的月度净值回撤",
  "sourceHash": "cc8a1a5750fbcc7dba483f2bb82c1257c637c515cfb5eb4af5f6fe5a0c7e5487"
}