[R-SIG-Finance] Computing stop probability

[Nick White]

You might want to check out the derivation of the Thorp /
Black-Scholes-Merton formula as it deals with essentially the same
concepts...

On Wed, Nov 25, 2015 at 11:27 AM, Ernest Stokely <wizardchef at gmail.com>
wrote:

> Maybe a naive question but given the price and SD of an asset, is there a
> way to calculate the probability of hitting a stop set at X over the next N
> days? I know making appropriate assumptions, this is a Wiener process but
> can't find the correct equation.
>
> A) Is there a closed form solution for this?
> B) Is there an R function related to this?
>
> Ernie
>
> Sent from my iPhone
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