套息交易:理论与实践碰撞中的精选机会 – 德国商业银行
德国商业银行(Commerzbank)的阮秋兰(Thu Lan Nguyen)讨论了随着对中东战争结束的希望增加,外汇套利交易重新受到欢迎。她强调,长期回报不仅由利差驱动,并警告理论上反对持续的超额回报。

德国商业银行(Commerzbank)的阮秋兰(Thu Lan Nguyen)讨论了随着对中东战争结束的希望增加,外汇套息交易重新受到欢迎。她强调,长期回报并非仅由利差驱动,并警告理论上反对持续的超额回报。近期G10和新兴市场套息组合的收益掩盖了日元和瑞郎融资策略之间的分歧结果。

套息吸引力与长期限制

“尽管美伊之间的协议尚未达成,但投资者因对中东战争即将结束的希望而变得愈发大胆。在外汇市场上,这可以从所谓套息交易的回归中看出。”

“该策略并非主要基于利率差异,而是基于对高收益货币相对于低收益货币升值的预期。为什么?因为汇率通常比利率波动更大,这意味着任何汇率变动都会显著超过利息收入。”

“事实上,近期该策略已被证明极具盈利性。例如,一项做多三种最高收益G10货币、做空三种最低收益G10货币的策略,自去年4月以来已实现明显正回报。投资于精选新兴市场货币的策略表现更佳。”

“当然,理论并不总是与实践相符。近期的连胜不必因理论而一夜终结。2000年代甚至有一段很长时间,套息交易极为盈利。”

“这表明,关注升值或贬值的基本面因素,而非盲目追逐趋势,是值得的。”

(本文借助人工智能工具撰写,并由编辑审核。)

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