zhxshyl2025-12-29 22:35:22
Strategy 3: A short position in a BRL/USD foreign exchange variance swap.为什么是收固定volatility,支浮动volatility
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Simon2026-01-02 16:01:49
如果是买方 long variance swap:
In a variance swap, the buyer of the contract will pay the difference between the fixed variance strike agreed on in the contract and the realized variance (annualized) on the underlying over the period specified and applied to a variance notional。
variance swap买方,会支付(variance strike- realized variance),所以是支variance strike,收realized variance。其中,variance strike是期初固定的,realized variance是实际到期日的,所以不确定,是浮动的。所以long方是支固定,收浮动。
反之,short方,是收固定,支浮动。
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