medium · Quantitative Finance

A 'barrier' option (e.g., Up-and-Out Call) is priced via Monte Carlo.

Why might antithetic variates be less effective here than for a vanilla call?

  1. The barrier level B is a deterministic constant
  2. The knock-out feature introduces a non-monotonicity in the payoff function
  3. Path-dependent options always require 1/M convergence
  4. Barrier options cannot be priced in a risk-neutral framework

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