By Mike Duncan | April 2026
What You’re Actually Trading
The misunderstanding that most institutions carry into options markets
Options get taught from the wrong end. The standard introduction leads with payoff diagrams, strategy names, and instrument descriptions. The result is a specific kind of user: one who thinks in terms of structures rather than exposures. That user makes a predictable set of mistakes.
On a trading desk, nobody talks about strategies the way textbooks present them. They talk about being long gamma or short vega. Whether implied vol is rich or cheap. Whether the theta bleed on a position is justified by the movement being bought. The instrument is secondary. The exposure is primary.
Most institutional option failures are not failures of complexity. They are failures of understanding what was actually being traded.
What this paper argues
Options are not strategies. They are risk tools that shape portfolio exposure in specific, measurable ways. Every option position is a simultaneous position on volatility, convexity, time decay, and direction. Getting that framing right changes how you evaluate whether an option is cheap or expensive, how you think about hedging, and when you know a strategy is not working.
Volatility is the core asset. Most users think they are trading direction. They are mostly trading volatility. And the majority of option losses in institutional portfolios come from a small number of errors that repeat predictably because the underlying exposure framework was never clear.
What it covers
- Why options are bundles of risk exposures, not instruments with fixed payoffs
- The Greeks as a portfolio language: delta, gamma, theta, and vega explained from a desk perspective
- Implied versus realised volatility, and why the gap between them is the entire economics of every option trade
- Skew: what it is, why it is structural, and why the naive answer to “buy some puts” is often economically poor
- A strategy framework organised by risk intent, not instrument name
- Portfolio applications: overlays, capital efficiency, drawdown management, and convexity budgeting
- The five failure modes that account for the majority of institutional option losses
- Why the timing of protection matters as much as whether it is owned at all
The central argument
The effective use of options is not about predicting markets. It is about structuring exposures to survive them.
Read the practitioner paper
Options as Risk Tools
