التفاصيل البيبلوغرافية
| العنوان: |
WHAT A DIFFERENCE ONE PROBABILITY MAKES IN THE CONVERGENCE OF BINOMIAL TREES. |
| المؤلفون: |
LEDUC, GUILLAUME1 (AUTHOR) gleduc@aus.edu, PALMER, KENNETH2 (AUTHOR) palmer@math.ntu.edu.tw |
| المصدر: |
International Journal of Theoretical & Applied Finance. Sep2020, Vol. 23 Issue 6, pN.PAG-N.PAG. 26p. |
| مصطلحات موضوعية: |
*PROBABILITY theory, BLACK-Scholes model, EXTRAPOLATION |
| مستخلص: |
In the n -period Cox, Ross, and Rubinstein (CRR) model, we achieve smooth convergence of European vanilla options to their Black–Scholes limits simply by altering the probability at one node, in fact, at the preterminal node between the closest neighbors of the strike in the terminal layer. For barrier options, we do even better, obtaining order 1 / n convergence by altering the probability just at the node nearest the barrier, but only the first time it is hit. First-order smooth convergence for vanilla options was already achieved in Tian's flexible model but here we show how second order smooth convergence can be achieved by changing one probability, leading to convergence of order 1 / n 2 with Richardson extrapolation. We illustrate our results with examples and provide numerical evidence of our results. [ABSTRACT FROM AUTHOR] |
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