--- type: "Topics" locale: "en" url: "https://longbridge.com/en/topics/39070578.md" description: "$XL2CSOPHYNIX(07709.HK)"Volatility decay is the core reason for leveraged ETFs' returns deviating from expected performance."If SK Hynix experiences high volatility during an uptrend (alternating between sharp rises and falls), even if it ultimately rises by 15%, the 2x ETF may deliver a return lower than the theoretical 2x due to the daily rebalancing mechanism of increasing positions on rises and reducing them on falls." datetime: "2026-03-05T01:48:22.000Z" locales: - [en](https://longbridge.com/en/topics/39070578.md) - [zh-CN](https://longbridge.com/zh-CN/topics/39070578.md) - [zh-HK](https://longbridge.com/zh-HK/topics/39070578.md) author: "[守拙生](https://longbridge.com/en/profiles/19012443.md)" --- # $XL2CSOPHYNIX(07709.HK)"Volatility decay is th… ### Related Stocks - [07709.HK](https://longbridge.com/en/quote/07709.HK.md) ## Comments (1) - **加州盛夏 · 2026-03-05T01:51:39.000Z**: Missing 2.3 points is tolerable, but missing 10 points...