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AJI · 2023年04月16日

Quarterly Reset的理解

NO.PZ2019010402000011

问题如下:

A manger entered into a receive-fixed and pay-equity swap three months ago. The annualized fixed rate is 3% and equity index was at 100 when swap was entered. The maturity of swap is one year with quarterly reset, and notional amount is $100 million. The current spot rates are as follows:

Assume the equity index is currently trading at 101, the value of the swap is:

选项:

A.

320,450

B.

246,337

C.

-246,337

解释:

C is correct.

考点:equity swap求value.

解析:

首先画图:

一年期的swap,3个月之前进入的,所以时间轴如下,还剩3笔现金流。

对于equity leg来说,我们可以根据价格水平直接计算现在的value。

valueequity=(101/100)×100,000,000=101,000,000{\text{value}}_{equity}=(101/100)\times100,000,000=101,000,000

对于fixed leg来说,我们只用将三笔现金流折现即可。

Valuefixedleg=3%×(90360)×100000000×(0.997506+0.992556+0.985222)+100,000,000×0.985222=100,753,663Value_{fixedleg=}3\%\times(\frac{90}{360})\times100000000\times(0.997506+0.992556+0.985222) +100,000,000\times0.985222\\=100,753,663

Value of swap=-101,000,000+100,753,663=-246,337

请问题中 "Quarterly Reset"是否指swap持有方在每个季度节点重新算下估值,以决定是否要在本季度持有/出售这个swap吗?如是,在每个季度节点的coupon为模拟,而非实际支付,这样理解准确吗?

1 个答案
已采纳答案

Lucky_品职助教 · 2023年04月16日

嗨,爱思考的PZer你好:


你的理解是正确的。在货币掉期(currency swap)中,如果是一个带有“Quarterly Reset”条款的交易,则表示每个季度会重置(reset)无风险利率(risk-free rate),以决定下一周期的利率支付和估值计算。

具体来说,持有方可以在每个季度考虑是否继续或者终止交易。如果决定继续,则按照新的无风险利率进行估值计算;如果决定终止,则需要按照当时的市场价格进行交易。因此,在这种情况下,“Quarterly Reset”意味着交易在每个季度都会被重新估值。

另外,你提到的coupon的模拟也是正确的。在实际交易中,利息支付是按照协议中规定的时间进行的,而不是像“Quarterly Reset”一样每个季度重新核算。因此,在“Quarterly Reset”情况下,持有方在每个季度的coupon是基于估值计算的,而不是实际支付的利息。

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