Under Basel III (GARP / Basel Committee), option Valuation: Models, Implied Volatility, and Greeks establishes the authoritative rules tested on the GARP FRM® Part I. Explores binomial and Black-Scholes-Merton models for option valuation, the concept of implied volatility, and the practical application of option Greeks. VoraPrep verifies every threshold, worked table, and practice question below against the current GARP FRM® Part I blueprint.
| Feature | Binomial Tree Model | Black-Scholes-Merton (BSM) Model |
|---|---|---|
| Time Steps | Discrete | Continuous |
| Option Type | American & European | European only |
| Underlying Asset | Can handle dividend payments and other complexities | Typically for non-dividend-paying stocks |
| Volatility | Assumed constant within each step, but can vary over time | Assumed constant over the option's life |
| Risk-Free Rate | Assumed constant | Assumed constant |
| Methodology | Risk-neutral valuation, iterative back-calculation | Closed-form solution based on Ito's Lemma |
| Complexity | More computationally intensive for many steps | Analytical, but relies on restrictive assumptions |
| Citation | GARP FRM Learning Objectives (Option Valuation) | GARP FRM Learning Objectives (Option Valuation) |
A portfolio manager holds a long position in a call option and has established a delta-neutral hedge. If the underlying stock price subsequently experiences a significant decrease, what action would most likely be required to maintain the delta-neutral position?
A portfolio manager is evaluating a European call option and needs to understand its sensitivity to underlying price changes, volatility, and time decay. They must select the appropriate valuation model and interpret its risk metrics to make an informed hedging decision, aligning with GARP FRM Learning Objectives related to option pricing and risk management.
Under Basel III (GARP / Basel Committee), option Valuation: Models, Implied Volatility, and Greeks establishes the authoritative rules tested on the GARP FRM® Part I. Explores binomial and Black-Scholes-Merton models for option valuation, the concept of implied volatility, and the practical application of option Greeks. VoraPrep verifies every threshold, worked table, and practice question below against the current GARP FRM® Part I blueprint.
⚠️ Exam trap: Confusing European and American options when applying models. The BSM model is strictly for European options. While a binomial model can price both, using BSM for an American option that has significant early exercise value will undervalue it. Binomial vs. BSM: Use binomial for American options and where early exercise or discrete events (e.g., dividends) are relevant. Use BSM for European options on non-dividend-paying assets.
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