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FxWirePro: The relationship between USD/CHF OTM options and role of Vega

The pessimistic USD outlook is based on the expectations that growth will rise globally, causing other major central banks like the ECB and the Bank of Japan to normalize their monetary policies. What supports this view is that US inflation can be used to estimate global inflation pressure.

The higher inflation in the US should, therefore, fuel price pressure globally, increasing the likelihood of a reduction in monetary policy stimulus elsewhere. The currencies of the central banks concerned should benefit from that - at the expense of USD.

OTM USD calls/CHF puts as a vega play: While 1M CHF ATM vols have jumped 2% pts. YTD, longer expiries have lagged, leading to a fairly steep inversion of the vol curve (refer above 1st chart).

Owning 6M-1Y vega, therefore, carries no roll-down penalty while allowing patience to await a shift in SNB policy. The additional kicker is that longer expiries cover the US mid-term elections which are too far away for the market’s focus now but should gradually gain in importance with the passage of time.

A twist on ATM vega is to own OTM USD calls/CHF puts i.e. the weak / “wrong” side of the risk-reversal on a delta-hedged basis.

The near-extreme bid for USD puts on risk-reversals implies that USD calls trade at a sizeable, multi-year high discount to ATM vols (refer above 1st chart).

In addition to current value, OTM USD calls also have a track record of performing comparably with ATM vols (refer 2nd chart) without costing smile theta, which renders them attractive vehicles to not only position for an SNB rethink that proves more disruptive than markets anticipate, but also a more garden variety equity/dollar correction for which the relatively cheap USD calls are the “correct” side of the risk-reversal to own.

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