That doesn't even make sense. The "share" is not known until the assets are sold or withdrawn, and also subject to change based on whatever tax law happens to b

That doesn't even make sense. The "share" is not known until the assets are sold or withdrawn, and also subject to change based on whatever tax law happens to be at the time. If I hold a stock long term, instead of day trading and accruing short term gains and associated taxes, am I being an asshole?