Tag Archives: option decay

No Comments

Do Options Dream of Dancing Underliers?

While doing simulations on volatility and the square root of time I started thinking about what kind of time options experience—calendar time, market time, or something in-between. The CBOE’s VIX® calculations use calendar time, a 365 day year, but most option gurus recommend using a 252 day year for volatility calculations—the typical number of trading […]