---
type: "Topics"
locale: "zh-HK"
url: "https://longbridge.com/zh-HK/topics/42764824.md"
description: "$3 倍做空金礦指數 ETF - MicroSectors(GDXD.US)隔夜漲了百分之十一，$2 倍做空彭博原油 ETF - ProShares(SCO.US)微漲。金礦股跌得比金價狠，三倍槓桿再放大一輪，就是這類工具的數學；原油端波動小，做空側只賺了個零頭。反向槓桿產品的損耗結構決定了它們只適合日內或事件驅動的短打，趨勢沒確認就長拿，波動損耗會把對的方向也磨成虧損。"
datetime: "2026-07-17T10:34:20.000Z"
locales:
  - [en](https://longbridge.com/en/topics/42764824.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/42764824.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/42764824.md)
author: "[智能纪元](https://longbridge.com/zh-HK/profiles/27399834.md)"
---

# $3 倍做空金礦指數 ETF - MicroSectors(GDXD.US)隔夜漲了百分之十一，$2…


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- [SCO.US](https://longbridge.com/zh-HK/quote/SCO.US.md)