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I am searching for a way to draw a Geometric Brownian Motion (GBM) on Illustrator. Essentially, a GBM looks like a random wiggly line:

enter image description here

Thanks for your inputs!

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1 Answer 1

Effect > Stylize > Scribble will get you close after some adjustment

scribble

You could also use Effect > Distort & Transform > Zig Zag but that doesn't tend to be as random.

You do realize that those paths aren't random but record variations in activity on a given day creating the zig zag path. There's nothing random about them.

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