قارن الطرق

	نموذج بيتس	التقلب المحلي (Dupire)
المجال	التمويل الكمي	التمويل الكمي
العائلة	Regression model	Regression model
سنة النشأة	1996	1994
صاحب الطريقة	David S. Bates	Bruno Dupire
النوع	Equity/FX Model	Equity/FX Model
المصدر التأسيسي	Bates, D. S. (1996). Jumps and stochastic volatility: Exchange rate processes implicit in Deutsche Mark options. Review of Financial Studies, 9(1), 69-107.	Dupire, B. (1994). Pricing with a smile. Risk Magazine, 7(1), 18-20.
الأسماء البديلة	SVJ Model, Jump Diffusion	Deterministic Volatility Function, DVF
ذات صلة	4	4
الملخص	The Bates model (1996) combines stochastic volatility and jump diffusion to capture both the volatility smile and the implied volatility skew observed in equity and currency option markets. It extends the Heston model by adding a Poisson jump component to returns, making it suitable for pricing options when sudden price moves are expected.	Dupire's local volatility model (1994) is a deterministic framework that extracts a term and strike-dependent volatility function from market option prices. Unlike constant volatility, local volatility perfectly fits the observed implied volatility smile and is implemented via finite difference methods for European and American option pricing.