Reading a volatility surface as a structurer
The surface is usually presented as a risk input. For anyone pricing structures, it is closer to a price list — and the shape explains most of what is currently cheap or expensive to issue.
Philippe Trocellier — Founder — TP Advisory Services
This is a published outline, not a finished article. It sets out the argument and structure of a piece currently being written. The full text will replace it once complete.
Skew and term structure are risk-management concepts on one desk and commercial constraints on another. The shape of the surface determines which payoffs can be offered at an attractive coupon and which quietly stop working.
Skew as a funding source
The steepness of the downside skew is what pays for a barrier. When it flattens, the same coupon requires either a closer barrier or a longer maturity — and the product that reaches the client changes shape accordingly.
Term structure and autocall duration
Expected duration is not a fixed feature of an autocallable; it is a function of the forward and the surface at the time of issue. Two identical term sheets issued six months apart can behave like different products.
What to watch
- Relative skew across the underlyings that appear in worst-of baskets.
- The gap between listed and OTC volatility for the relevant maturities.
- Dividend expectations, which move the forward without moving the spot.