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| Μοντέλο SABR× | Μοντέλο Hull-White× | |
|---|---|---|
| Πεδίο | Ποσοτική Χρηματοοικονομική | Ποσοτική Χρηματοοικονομική |
| Οικογένεια | Regression model | Regression model |
| Έτος προέλευσης≠ | 2002 | 1990 |
| Δημιουργός≠ | Patrick S. Hagan | John C. Hull and Alan White |
| Τύπος | Interest Rate Model | Interest Rate Model |
| Θεμελιώδης πηγή≠ | Hagan, P. S., Kumar, D., Lesniewski, A. S., & Woodward, D. E. (2002). Managing smile risk. Wilmott Magazine, 1, 84-108. link ↗ | Hull, J., & White, A. (1990). Pricing interest-rate-derivative securities. Review of Financial Studies, 3(4), 573-592. DOI ↗ |
| Εναλλακτικές ονομασίες≠ | Stochastic Volatility Model | Extended Vasicek, Generalized Vasicek |
| Συναφείς | 4 | 4 |
| Σύνοψη≠ | The SABR (Stochastic Alpha-Beta-Rho) model is a stochastic volatility framework introduced by Hagan et al. in 2002 for valuing interest rate derivatives. It captures the smile effect in implied volatility through correlated Brownian motions and has become industry standard for swaption and caplet pricing. | The Hull-White model (1990) is a one-factor short-rate model with time-dependent mean reversion and volatility, designed to fit the initial yield curve exactly. It generalizes the Vasicek model to allow better calibration to observed bond and derivative prices, and is widely used for pricing interest rate exotics and managing interest rate risk. |
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