UBS
May 21, 2026
The Call Overwriter's Guide: Identifying Stocks for Single Stock Call Selling
EquitiesDerivativesVolatilityOther
This report outlines an active approach to single-stock call overwriting, using a factor-based model to identify stocks that maximize yield while minimizing the risk of being exercised.
Key Takeaways
- 1.Selling calls on existing equity positions is an effective way to earn additional yield but caps total achievable return.
- 2.Shorter-dated structures (e.g., one-month tenors) and defensive (low delta) striking methods typically deliver better long-term results than longer-dated options.
- 3.Active stock selection using price momentum, implied volatility, and valuation 'hype factors' can significantly improve call overwriting outcomes.
Table of Contents
- Overwriting an income diversifier
- Structuring call-writing overlays
- In search of the good calls
- A systematic approach
- A tale of two systematic approaches
- Optimizing the overwrite
- Buying cheap volatility
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Authors
Moritz VontobelLuca Henzen
Securities
MSCI World IndexSPX
Themes
Yield EnhancementFactor-Based Option StrategyVolatility Risk Premium
Regions
GlobalNorth AmericaEuropeUnited StatesSwitzerland
