Valuation models

Binomial tree

American, Bermudan and European calls and puts, early exercise premium, exercise boundary, Greeks and convergence.

Inputs

Results

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Methodology

Conventions

  • Cox-Ross-Rubinstein recombining tree, constant rate and volatility.

References

  • Cox, Ross and Rubinstein (1979)

Formulas

Moves
u = e^(σ√Δt), d = 1/u
Probability
p = (e^((r−q)Δt) − d) / (u − d)