---
type: "Topics"
locale: "zh-HK"
url: "https://longbridge.com/zh-HK/topics/42573977.md"
description: "$3 倍做空金礦指數 ETF - MicroSectors(GDXD.US)、$A南方國指備兌(02802.HK)、$Alpha Architect 1-3 Month Box ETF(BOXX.US) 這批反向、備兑和類現金工具是給行情降温或求穩時候用的，市場熱的時候它們安靜，恰好是另一面鏡子。"
datetime: "2026-07-10T10:48:53.000Z"
locales:
  - [en](https://longbridge.com/en/topics/42573977.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/42573977.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/42573977.md)
author: "[龙城旧梦](https://longbridge.com/zh-HK/profiles/26444980.md)"
---

# $3 倍做空金礦指數 ETF - MicroSectors(GDXD.US)、$A南方國指備兌(02…


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