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Alle Oberthemen / Finance & Investment / Derivatives / Derivatives
222
2.A variable x starts at 10 and follows the generalized Wiener process
dx = a dt + b dz
where time is measured in years. If a = 3 and b =4 what is the standard deviation of the value in 4 years?
A.4
B.8
C.12
D.16
Answer: B
The variance per year is 42  or 16. The variance over four years is 16×4 = 64. The standard deviation is .
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Autor: CoboCards-User
Oberthema: Finance & Investment
Thema: Derivatives
Veröffentlicht: 27.10.2015

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