{
  "桥水公开说明": "https://www.bridgewater.com/research-and-insights/the-all-weather-story",
  "Nasdaq 总收益指数（FRED）": "https://fred.stlouisfed.org/series/NASDAQXNDX",
  "Nasdaq 价格指数": "https://fred.stlouisfed.org/series/NASDAQ100",
  "综合指数": "https://fred.stlouisfed.org/series/NASDAQCOM",
  "QQQ 官方说明": "https://www.invesco.com/qqq-etf/en/about.html",
  "IBIT 官方说明": "https://www.ishares.com/us/products/333011/ishares-bitcoin-trust"
}