Is it?
Ctrl-F “random walk” in the post shows no hits (aside from this comment.)
I don’t use the same vocabulary but your profit from the game is obviously a random walk.
obviously
It is obvious in hindsight; many things that are obvious in hindsight aren’t necessarily obvious until pointed out.
I thought it good to explicitly point out the connection in case someone didn’t see it.
Is it?
Ctrl-F “random walk” in the post shows no hits (aside from this comment.)
I don’t use the same vocabulary but your profit from the game is obviously a random walk.
It is obvious in hindsight; many things that are obvious in hindsight aren’t necessarily obvious until pointed out.
I thought it good to explicitly point out the connection in case someone didn’t see it.