Stock Split Changes Nothing—Congratulations on Celebrating Division, Financial Geniuses

Let me save you from the financial media’s favorite parlor trick: the stock-split headline.

A stock split does nothing. Nothing. You own the same slice of the same company. If you own 10 shares at $1,000 and the company does a 10-for-1 split, you now own 100 shares at $100. Your net worth changed by exactly zero dollars. This is arithmetic so basic that explaining it feels like an insult, yet here we are, with headlines breathlessly announcing splits as if the CFO performed alchemy over the weekend.

So why does the market rally around split announcements? Because retail investors—bless their pattern-seeking brains—treat a lower share price as a discount. It isn’t. Buying a $100 post-split share is not cheaper than a $