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PT has a SD/100 figure.

Is it correct to describe this as:

"The average variance per 100 hands from my average winrate"

If so, I presume this is measured by simply breaking up my entire HH database into 100 hand blocks and averaging the results? Is it possible in PT to find the distribution of these results?

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Can anyone help with this?

What's behind my question is the fact I want to be able to work out, given a winrate & SD/100 what the liklehood is of various EV outcomes over a certain number of hands.